; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=loop-vectorize -scalable-vectorization=on -mtriple riscv64-linux-gnu -mattr=+v,+f -S 2>%t | FileCheck %s ; RUN: opt < %s -passes=loop-vectorize -scalable-vectorization=off -mtriple riscv64-linux-gnu -mattr=+v,+f -S 2>%t | FileCheck --check-prefix=FIXED %s ; Tests specific to div/rem handling - both predicated and not target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n64-S128" target triple = "riscv64" define void @vector_udiv(ptr noalias nocapture %a, i64 %v, i64 %n) { ; CHECK-LABEL: @vector_udiv( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[VECTOR_PH:%.*]] ; CHECK: vector.ph: ; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement poison, i64 [[V:%.*]], i64 0 ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector [[BROADCAST_SPLATINSERT]], poison, zeroinitializer ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] ; CHECK: vector.body: ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[AVL:%.*]] = phi i64 [ 1024, [[VECTOR_PH]] ], [ [[AVL_NEXT:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[TMP10:%.*]] = call i32 @llvm.experimental.get.vector.length.i64(i64 [[AVL]], i32 2, i1 true) ; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]] ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = call @llvm.vp.load.nxv2i64.p0(ptr align 8 [[TMP7]], splat (i1 true), i32 [[TMP10]]) ; CHECK-NEXT: [[TMP9:%.*]] = udiv [[WIDE_LOAD]], [[BROADCAST_SPLAT]] ; CHECK-NEXT: call void @llvm.vp.store.nxv2i64.p0( [[TMP9]], ptr align 8 [[TMP7]], splat (i1 true), i32 [[TMP10]]) ; CHECK-NEXT: [[TMP8:%.*]] = zext i32 [[TMP10]] to i64 ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[TMP8]], [[INDEX]] ; CHECK-NEXT: [[AVL_NEXT]] = sub nuw i64 [[AVL]], [[TMP8]] ; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[AVL_NEXT]], 0 ; CHECK-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] ; CHECK: middle.block: ; CHECK-NEXT: br label [[FOR_END:%.*]] ; CHECK: scalar.ph: ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: [[IV:%.*]] = phi i64 [ 0, [[SCALAR_PH:%.*]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ] ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]] ; CHECK-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8 ; CHECK-NEXT: [[DIVREM:%.*]] = udiv i64 [[ELEM]], [[V]] ; CHECK-NEXT: store i64 [[DIVREM]], ptr [[ARRAYIDX]], align 8 ; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 ; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024 ; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]] ; CHECK: for.end: ; CHECK-NEXT: ret void ; ; FIXED-LABEL: @vector_udiv( ; FIXED-NEXT: entry: ; FIXED-NEXT: br label [[VECTOR_PH:%.*]] ; FIXED: vector.ph: ; FIXED-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i64> poison, i64 [[V:%.*]], i64 0 ; FIXED-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i64> [[BROADCAST_SPLATINSERT]], <4 x i64> poison, <4 x i32> zeroinitializer ; FIXED-NEXT: br label [[VECTOR_BODY:%.*]] ; FIXED: vector.body: ; FIXED-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] ; FIXED-NEXT: [[TMP1:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]] ; FIXED-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i64>, ptr [[TMP1]], align 8 ; FIXED-NEXT: [[TMP5:%.*]] = udiv <4 x i64> [[WIDE_LOAD1]], [[BROADCAST_SPLAT]] ; FIXED-NEXT: store <4 x i64> [[TMP5]], ptr [[TMP1]], align 8 ; FIXED-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 ; FIXED-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1024 ; FIXED-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] ; FIXED: middle.block: ; FIXED-NEXT: br label [[FOR_END:%.*]] ; FIXED: scalar.ph: ; FIXED-NEXT: br label [[FOR_BODY:%.*]] ; FIXED: for.body: ; FIXED-NEXT: [[IV:%.*]] = phi i64 [ 0, [[SCALAR_PH:%.*]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ] ; FIXED-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]] ; FIXED-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8 ; FIXED-NEXT: [[DIVREM:%.*]] = udiv i64 [[ELEM]], [[V]] ; FIXED-NEXT: store i64 [[DIVREM]], ptr [[ARRAYIDX]], align 8 ; FIXED-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 ; FIXED-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024 ; FIXED-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]] ; FIXED: for.end: ; FIXED-NEXT: ret void ; entry: br label %for.body for.body: %iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ] %arrayidx = getelementptr inbounds i64, ptr %a, i64 %iv %elem = load i64, ptr %arrayidx %divrem = udiv i64 %elem, %v store i64 %divrem, ptr %arrayidx %iv.next = add nuw nsw i64 %iv, 1 %exitcond.not = icmp eq i64 %iv.next, 1024 br i1 %exitcond.not, label %for.end, label %for.body for.end: ret void } define void @vector_sdiv(ptr noalias nocapture %a, i64 %v, i64 %n) { ; CHECK-LABEL: @vector_sdiv( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[VECTOR_PH:%.*]] ; CHECK: vector.ph: ; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement poison, i64 [[V:%.*]], i64 0 ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector [[BROADCAST_SPLATINSERT]], poison, zeroinitializer ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] ; CHECK: vector.body: ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[AVL:%.*]] = phi i64 [ 1024, [[VECTOR_PH]] ], [ [[AVL_NEXT:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[TMP10:%.*]] = call i32 @llvm.experimental.get.vector.length.i64(i64 [[AVL]], i32 2, i1 true) ; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]] ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = call @llvm.vp.load.nxv2i64.p0(ptr align 8 [[TMP7]], splat (i1 true), i32 [[TMP10]]) ; CHECK-NEXT: [[TMP9:%.*]] = sdiv [[WIDE_LOAD]], [[BROADCAST_SPLAT]] ; CHECK-NEXT: call void @llvm.vp.store.nxv2i64.p0( [[TMP9]], ptr align 8 [[TMP7]], splat (i1 true), i32 [[TMP10]]) ; CHECK-NEXT: [[TMP8:%.*]] = zext i32 [[TMP10]] to i64 ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[TMP8]], [[INDEX]] ; CHECK-NEXT: [[AVL_NEXT]] = sub nuw i64 [[AVL]], [[TMP8]] ; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[AVL_NEXT]], 0 ; CHECK-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]] ; CHECK: middle.block: ; CHECK-NEXT: br label [[FOR_END:%.*]] ; CHECK: scalar.ph: ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: [[IV:%.*]] = phi i64 [ 0, [[SCALAR_PH:%.*]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ] ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]] ; CHECK-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8 ; CHECK-NEXT: [[DIVREM:%.*]] = sdiv i64 [[ELEM]], [[V]] ; CHECK-NEXT: store i64 [[DIVREM]], ptr [[ARRAYIDX]], align 8 ; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 ; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024 ; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]] ; CHECK: for.end: ; CHECK-NEXT: ret void ; ; FIXED-LABEL: @vector_sdiv( ; FIXED-NEXT: entry: ; FIXED-NEXT: br label [[VECTOR_PH:%.*]] ; FIXED: vector.ph: ; FIXED-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i64> poison, i64 [[V:%.*]], i64 0 ; FIXED-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i64> [[BROADCAST_SPLATINSERT]], <4 x i64> poison, <4 x i32> zeroinitializer ; FIXED-NEXT: br label [[VECTOR_BODY:%.*]] ; FIXED: vector.body: ; FIXED-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] ; FIXED-NEXT: [[TMP1:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]] ; FIXED-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i64>, ptr [[TMP1]], align 8 ; FIXED-NEXT: [[TMP5:%.*]] = sdiv <4 x i64> [[WIDE_LOAD1]], [[BROADCAST_SPLAT]] ; FIXED-NEXT: store <4 x i64> [[TMP5]], ptr [[TMP1]], align 8 ; FIXED-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 ; FIXED-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1024 ; FIXED-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]] ; FIXED: middle.block: ; FIXED-NEXT: br label [[FOR_END:%.*]] ; FIXED: scalar.ph: ; FIXED-NEXT: br label [[FOR_BODY:%.*]] ; FIXED: for.body: ; FIXED-NEXT: [[IV:%.*]] = phi i64 [ 0, [[SCALAR_PH:%.*]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ] ; FIXED-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]] ; FIXED-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8 ; FIXED-NEXT: [[DIVREM:%.*]] = sdiv i64 [[ELEM]], [[V]] ; FIXED-NEXT: store i64 [[DIVREM]], ptr [[ARRAYIDX]], align 8 ; FIXED-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 ; FIXED-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024 ; FIXED-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]] ; FIXED: for.end: ; FIXED-NEXT: ret void ; entry: br label %for.body for.body: %iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ] %arrayidx = getelementptr inbounds i64, ptr %a, i64 %iv %elem = load i64, ptr %arrayidx %divrem = sdiv i64 %elem, %v store i64 %divrem, ptr %arrayidx %iv.next = add nuw nsw i64 %iv, 1 %exitcond.not = icmp eq i64 %iv.next, 1024 br i1 %exitcond.not, label %for.end, label %for.body for.end: ret void } define void @vector_urem(ptr noalias nocapture %a, i64 %v, i64 %n) { ; CHECK-LABEL: @vector_urem( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[VECTOR_PH:%.*]] ; CHECK: vector.ph: ; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement poison, i64 [[V:%.*]], i64 0 ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector [[BROADCAST_SPLATINSERT]], poison, zeroinitializer ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] ; CHECK: vector.body: ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[AVL:%.*]] = phi i64 [ 1024, [[VECTOR_PH]] ], [ [[AVL_NEXT:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[TMP10:%.*]] = call i32 @llvm.experimental.get.vector.length.i64(i64 [[AVL]], i32 2, i1 true) ; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]] ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = call @llvm.vp.load.nxv2i64.p0(ptr align 8 [[TMP7]], splat (i1 true), i32 [[TMP10]]) ; CHECK-NEXT: [[TMP9:%.*]] = urem [[WIDE_LOAD]], [[BROADCAST_SPLAT]] ; CHECK-NEXT: call void @llvm.vp.store.nxv2i64.p0( [[TMP9]], ptr align 8 [[TMP7]], splat (i1 true), i32 [[TMP10]]) ; CHECK-NEXT: [[TMP8:%.*]] = zext i32 [[TMP10]] to i64 ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[TMP8]], [[INDEX]] ; CHECK-NEXT: [[AVL_NEXT]] = sub nuw i64 [[AVL]], [[TMP8]] ; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[AVL_NEXT]], 0 ; CHECK-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]] ; CHECK: middle.block: ; CHECK-NEXT: br label [[FOR_END:%.*]] ; CHECK: scalar.ph: ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: [[IV:%.*]] = phi i64 [ 0, [[SCALAR_PH:%.*]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ] ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]] ; CHECK-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8 ; CHECK-NEXT: [[DIVREM:%.*]] = urem i64 [[ELEM]], [[V]] ; CHECK-NEXT: store i64 [[DIVREM]], ptr [[ARRAYIDX]], align 8 ; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 ; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024 ; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]] ; CHECK: for.end: ; CHECK-NEXT: ret void ; ; FIXED-LABEL: @vector_urem( ; FIXED-NEXT: entry: ; FIXED-NEXT: br label [[VECTOR_PH:%.*]] ; FIXED: vector.ph: ; FIXED-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i64> poison, i64 [[V:%.*]], i64 0 ; FIXED-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i64> [[BROADCAST_SPLATINSERT]], <4 x i64> poison, <4 x i32> zeroinitializer ; FIXED-NEXT: br label [[VECTOR_BODY:%.*]] ; FIXED: vector.body: ; FIXED-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] ; FIXED-NEXT: [[TMP1:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]] ; FIXED-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i64>, ptr [[TMP1]], align 8 ; FIXED-NEXT: [[TMP5:%.*]] = urem <4 x i64> [[WIDE_LOAD1]], [[BROADCAST_SPLAT]] ; FIXED-NEXT: store <4 x i64> [[TMP5]], ptr [[TMP1]], align 8 ; FIXED-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 ; FIXED-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1024 ; FIXED-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]] ; FIXED: middle.block: ; FIXED-NEXT: br label [[FOR_END:%.*]] ; FIXED: scalar.ph: ; FIXED-NEXT: br label [[FOR_BODY:%.*]] ; FIXED: for.body: ; FIXED-NEXT: [[IV:%.*]] = phi i64 [ 0, [[SCALAR_PH:%.*]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ] ; FIXED-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]] ; FIXED-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8 ; FIXED-NEXT: [[DIVREM:%.*]] = urem i64 [[ELEM]], [[V]] ; FIXED-NEXT: store i64 [[DIVREM]], ptr [[ARRAYIDX]], align 8 ; FIXED-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 ; FIXED-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024 ; FIXED-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]] ; FIXED: for.end: ; FIXED-NEXT: ret void ; entry: br label %for.body for.body: %iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ] %arrayidx = getelementptr inbounds i64, ptr %a, i64 %iv %elem = load i64, ptr %arrayidx %divrem = urem i64 %elem, %v store i64 %divrem, ptr %arrayidx %iv.next = add nuw nsw i64 %iv, 1 %exitcond.not = icmp eq i64 %iv.next, 1024 br i1 %exitcond.not, label %for.end, label %for.body for.end: ret void } define void @vector_srem(ptr noalias nocapture %a, i64 %v, i64 %n) { ; CHECK-LABEL: @vector_srem( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[VECTOR_PH:%.*]] ; CHECK: vector.ph: ; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement poison, i64 [[V:%.*]], i64 0 ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector [[BROADCAST_SPLATINSERT]], poison, zeroinitializer ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] ; CHECK: vector.body: ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[AVL:%.*]] = phi i64 [ 1024, [[VECTOR_PH]] ], [ [[AVL_NEXT:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[TMP10:%.*]] = call i32 @llvm.experimental.get.vector.length.i64(i64 [[AVL]], i32 2, i1 true) ; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]] ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = call @llvm.vp.load.nxv2i64.p0(ptr align 8 [[TMP7]], splat (i1 true), i32 [[TMP10]]) ; CHECK-NEXT: [[TMP9:%.*]] = srem [[WIDE_LOAD]], [[BROADCAST_SPLAT]] ; CHECK-NEXT: call void @llvm.vp.store.nxv2i64.p0( [[TMP9]], ptr align 8 [[TMP7]], splat (i1 true), i32 [[TMP10]]) ; CHECK-NEXT: [[TMP8:%.*]] = zext i32 [[TMP10]] to i64 ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[TMP8]], [[INDEX]] ; CHECK-NEXT: [[AVL_NEXT]] = sub nuw i64 [[AVL]], [[TMP8]] ; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[AVL_NEXT]], 0 ; CHECK-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]] ; CHECK: middle.block: ; CHECK-NEXT: br label [[FOR_END:%.*]] ; CHECK: scalar.ph: ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: [[IV:%.*]] = phi i64 [ 0, [[SCALAR_PH:%.*]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ] ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]] ; CHECK-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8 ; CHECK-NEXT: [[DIVREM:%.*]] = srem i64 [[ELEM]], [[V]] ; CHECK-NEXT: store i64 [[DIVREM]], ptr [[ARRAYIDX]], align 8 ; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 ; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024 ; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]] ; CHECK: for.end: ; CHECK-NEXT: ret void ; ; FIXED-LABEL: @vector_srem( ; FIXED-NEXT: entry: ; FIXED-NEXT: br label [[VECTOR_PH:%.*]] ; FIXED: vector.ph: ; FIXED-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i64> poison, i64 [[V:%.*]], i64 0 ; FIXED-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i64> [[BROADCAST_SPLATINSERT]], <4 x i64> poison, <4 x i32> zeroinitializer ; FIXED-NEXT: br label [[VECTOR_BODY:%.*]] ; FIXED: vector.body: ; FIXED-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] ; FIXED-NEXT: [[TMP1:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]] ; FIXED-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i64>, ptr [[TMP1]], align 8 ; FIXED-NEXT: [[TMP5:%.*]] = srem <4 x i64> [[WIDE_LOAD1]], [[BROADCAST_SPLAT]] ; FIXED-NEXT: store <4 x i64> [[TMP5]], ptr [[TMP1]], align 8 ; FIXED-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 ; FIXED-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1024 ; FIXED-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]] ; FIXED: middle.block: ; FIXED-NEXT: br label [[FOR_END:%.*]] ; FIXED: scalar.ph: ; FIXED-NEXT: br label [[FOR_BODY:%.*]] ; FIXED: for.body: ; FIXED-NEXT: [[IV:%.*]] = phi i64 [ 0, [[SCALAR_PH:%.*]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ] ; FIXED-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]] ; FIXED-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8 ; FIXED-NEXT: [[DIVREM:%.*]] = srem i64 [[ELEM]], [[V]] ; FIXED-NEXT: store i64 [[DIVREM]], ptr [[ARRAYIDX]], align 8 ; FIXED-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 ; FIXED-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024 ; FIXED-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]] ; FIXED: for.end: ; FIXED-NEXT: ret void ; entry: br label %for.body for.body: %iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ] %arrayidx = getelementptr inbounds i64, ptr %a, i64 %iv %elem = load i64, ptr %arrayidx %divrem = srem i64 %elem, %v store i64 %divrem, ptr %arrayidx %iv.next = add nuw nsw i64 %iv, 1 %exitcond.not = icmp eq i64 %iv.next, 1024 br i1 %exitcond.not, label %for.end, label %for.body for.end: ret void } define void @predicated_udiv(ptr noalias nocapture %a, i64 %v, i64 %n) { ; CHECK-LABEL: @predicated_udiv( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[VECTOR_PH:%.*]] ; CHECK: vector.ph: ; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement poison, i64 [[V:%.*]], i64 0 ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector [[BROADCAST_SPLATINSERT]], poison, zeroinitializer ; CHECK-NEXT: [[TMP6:%.*]] = icmp ne [[BROADCAST_SPLAT]], zeroinitializer ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] ; CHECK: vector.body: ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[AVL:%.*]] = phi i64 [ 1024, [[VECTOR_PH]] ], [ [[AVL_NEXT:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[TMP12:%.*]] = call i32 @llvm.experimental.get.vector.length.i64(i64 [[AVL]], i32 2, i1 true) ; CHECK-NEXT: [[BROADCAST_SPLATINSERT1:%.*]] = insertelement poison, i32 [[TMP12]], i64 0 ; CHECK-NEXT: [[BROADCAST_SPLAT2:%.*]] = shufflevector [[BROADCAST_SPLATINSERT1]], poison, zeroinitializer ; CHECK-NEXT: [[TMP7:%.*]] = call @llvm.stepvector.nxv2i32() ; CHECK-NEXT: [[TMP15:%.*]] = icmp ult [[TMP7]], [[BROADCAST_SPLAT2]] ; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]] ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = call @llvm.vp.load.nxv2i64.p0(ptr align 8 [[TMP8]], splat (i1 true), i32 [[TMP12]]) ; CHECK-NEXT: [[TMP16:%.*]] = select [[TMP15]], [[TMP6]], zeroinitializer ; CHECK-NEXT: [[TMP10:%.*]] = select [[TMP16]], [[BROADCAST_SPLAT]], splat (i64 1) ; CHECK-NEXT: [[TMP11:%.*]] = udiv [[WIDE_LOAD]], [[TMP10]] ; CHECK-NEXT: [[PREDPHI:%.*]] = select [[TMP6]], [[TMP11]], [[WIDE_LOAD]] ; CHECK-NEXT: call void @llvm.vp.store.nxv2i64.p0( [[PREDPHI]], ptr align 8 [[TMP8]], splat (i1 true), i32 [[TMP12]]) ; CHECK-NEXT: [[TMP13:%.*]] = zext i32 [[TMP12]] to i64 ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[TMP13]], [[INDEX]] ; CHECK-NEXT: [[AVL_NEXT]] = sub nuw i64 [[AVL]], [[TMP13]] ; CHECK-NEXT: [[TMP14:%.*]] = icmp eq i64 [[AVL_NEXT]], 0 ; CHECK-NEXT: br i1 [[TMP14]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]] ; CHECK: middle.block: ; CHECK-NEXT: br label [[FOR_END:%.*]] ; CHECK: scalar.ph: ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: [[IV:%.*]] = phi i64 [ 0, [[SCALAR_PH:%.*]] ], [ [[IV_NEXT:%.*]], [[LATCH:%.*]] ] ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]] ; CHECK-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8 ; CHECK-NEXT: [[C:%.*]] = icmp ne i64 [[V]], 0 ; CHECK-NEXT: br i1 [[C]], label [[DO_OP:%.*]], label [[LATCH]] ; CHECK: do_op: ; CHECK-NEXT: [[DIVREM:%.*]] = udiv i64 [[ELEM]], [[V]] ; CHECK-NEXT: br label [[LATCH]] ; CHECK: latch: ; CHECK-NEXT: [[PHI:%.*]] = phi i64 [ [[ELEM]], [[FOR_BODY]] ], [ [[DIVREM]], [[DO_OP]] ] ; CHECK-NEXT: store i64 [[PHI]], ptr [[ARRAYIDX]], align 8 ; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 ; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024 ; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]] ; CHECK: for.end: ; CHECK-NEXT: ret void ; ; FIXED-LABEL: @predicated_udiv( ; FIXED-NEXT: entry: ; FIXED-NEXT: br label [[VECTOR_PH:%.*]] ; FIXED: vector.ph: ; FIXED-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i64> poison, i64 [[V:%.*]], i64 0 ; FIXED-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i64> [[BROADCAST_SPLATINSERT]], <4 x i64> poison, <4 x i32> zeroinitializer ; FIXED-NEXT: [[TMP0:%.*]] = icmp ne <4 x i64> [[BROADCAST_SPLAT]], zeroinitializer ; FIXED-NEXT: [[TMP5:%.*]] = select <4 x i1> [[TMP0]], <4 x i64> [[BROADCAST_SPLAT]], <4 x i64> splat (i64 1) ; FIXED-NEXT: br label [[VECTOR_BODY:%.*]] ; FIXED: vector.body: ; FIXED-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] ; FIXED-NEXT: [[TMP2:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]] ; FIXED-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i64>, ptr [[TMP2]], align 8 ; FIXED-NEXT: [[TMP8:%.*]] = udiv <4 x i64> [[WIDE_LOAD1]], [[TMP5]] ; FIXED-NEXT: [[PREDPHI2:%.*]] = select <4 x i1> [[TMP0]], <4 x i64> [[TMP8]], <4 x i64> [[WIDE_LOAD1]] ; FIXED-NEXT: store <4 x i64> [[PREDPHI2]], ptr [[TMP2]], align 8 ; FIXED-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 ; FIXED-NEXT: [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1024 ; FIXED-NEXT: br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]] ; FIXED: middle.block: ; FIXED-NEXT: br label [[FOR_END:%.*]] ; FIXED: scalar.ph: ; FIXED-NEXT: br label [[FOR_BODY:%.*]] ; FIXED: for.body: ; FIXED-NEXT: [[IV:%.*]] = phi i64 [ 0, [[SCALAR_PH:%.*]] ], [ [[IV_NEXT:%.*]], [[LATCH:%.*]] ] ; FIXED-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]] ; FIXED-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8 ; FIXED-NEXT: [[C:%.*]] = icmp ne i64 [[V]], 0 ; FIXED-NEXT: br i1 [[C]], label [[DO_OP:%.*]], label [[LATCH]] ; FIXED: do_op: ; FIXED-NEXT: [[DIVREM:%.*]] = udiv i64 [[ELEM]], [[V]] ; FIXED-NEXT: br label [[LATCH]] ; FIXED: latch: ; FIXED-NEXT: [[PHI:%.*]] = phi i64 [ [[ELEM]], [[FOR_BODY]] ], [ [[DIVREM]], [[DO_OP]] ] ; FIXED-NEXT: store i64 [[PHI]], ptr [[ARRAYIDX]], align 8 ; FIXED-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 ; FIXED-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024 ; FIXED-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]] ; FIXED: for.end: ; FIXED-NEXT: ret void ; entry: br label %for.body for.body: %iv = phi i64 [ 0, %entry ], [ %iv.next, %latch ] %arrayidx = getelementptr inbounds i64, ptr %a, i64 %iv %elem = load i64, ptr %arrayidx %c = icmp ne i64 %v, 0 br i1 %c, label %do_op, label %latch do_op: %divrem = udiv i64 %elem, %v br label %latch latch: %phi = phi i64 [%elem, %for.body], [%divrem, %do_op] store i64 %phi, ptr %arrayidx %iv.next = add nuw nsw i64 %iv, 1 %exitcond.not = icmp eq i64 %iv.next, 1024 br i1 %exitcond.not, label %for.end, label %for.body for.end: ret void } define void @predicated_sdiv(ptr noalias nocapture %a, i64 %v, i64 %n) { ; CHECK-LABEL: @predicated_sdiv( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[VECTOR_PH:%.*]] ; CHECK: vector.ph: ; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement poison, i64 [[V:%.*]], i64 0 ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector [[BROADCAST_SPLATINSERT]], poison, zeroinitializer ; CHECK-NEXT: [[TMP6:%.*]] = icmp ne [[BROADCAST_SPLAT]], zeroinitializer ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] ; CHECK: vector.body: ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[AVL:%.*]] = phi i64 [ 1024, [[VECTOR_PH]] ], [ [[AVL_NEXT:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[TMP12:%.*]] = call i32 @llvm.experimental.get.vector.length.i64(i64 [[AVL]], i32 2, i1 true) ; CHECK-NEXT: [[BROADCAST_SPLATINSERT1:%.*]] = insertelement poison, i32 [[TMP12]], i64 0 ; CHECK-NEXT: [[BROADCAST_SPLAT2:%.*]] = shufflevector [[BROADCAST_SPLATINSERT1]], poison, zeroinitializer ; CHECK-NEXT: [[TMP7:%.*]] = call @llvm.stepvector.nxv2i32() ; CHECK-NEXT: [[TMP15:%.*]] = icmp ult [[TMP7]], [[BROADCAST_SPLAT2]] ; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]] ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = call @llvm.vp.load.nxv2i64.p0(ptr align 8 [[TMP8]], splat (i1 true), i32 [[TMP12]]) ; CHECK-NEXT: [[TMP16:%.*]] = select [[TMP15]], [[TMP6]], zeroinitializer ; CHECK-NEXT: [[TMP10:%.*]] = select [[TMP16]], [[BROADCAST_SPLAT]], splat (i64 1) ; CHECK-NEXT: [[TMP11:%.*]] = sdiv [[WIDE_LOAD]], [[TMP10]] ; CHECK-NEXT: [[PREDPHI:%.*]] = select [[TMP6]], [[TMP11]], [[WIDE_LOAD]] ; CHECK-NEXT: call void @llvm.vp.store.nxv2i64.p0( [[PREDPHI]], ptr align 8 [[TMP8]], splat (i1 true), i32 [[TMP12]]) ; CHECK-NEXT: [[TMP13:%.*]] = zext i32 [[TMP12]] to i64 ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[TMP13]], [[INDEX]] ; CHECK-NEXT: [[AVL_NEXT]] = sub nuw i64 [[AVL]], [[TMP13]] ; CHECK-NEXT: [[TMP14:%.*]] = icmp eq i64 [[AVL_NEXT]], 0 ; CHECK-NEXT: br i1 [[TMP14]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]] ; CHECK: middle.block: ; CHECK-NEXT: br label [[FOR_END:%.*]] ; CHECK: scalar.ph: ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: [[IV:%.*]] = phi i64 [ 0, [[SCALAR_PH:%.*]] ], [ [[IV_NEXT:%.*]], [[LATCH:%.*]] ] ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]] ; CHECK-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8 ; CHECK-NEXT: [[C:%.*]] = icmp ne i64 [[V]], 0 ; CHECK-NEXT: br i1 [[C]], label [[DO_OP:%.*]], label [[LATCH]] ; CHECK: do_op: ; CHECK-NEXT: [[DIVREM:%.*]] = sdiv i64 [[ELEM]], [[V]] ; CHECK-NEXT: br label [[LATCH]] ; CHECK: latch: ; CHECK-NEXT: [[PHI:%.*]] = phi i64 [ [[ELEM]], [[FOR_BODY]] ], [ [[DIVREM]], [[DO_OP]] ] ; CHECK-NEXT: store i64 [[PHI]], ptr [[ARRAYIDX]], align 8 ; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 ; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024 ; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]] ; CHECK: for.end: ; CHECK-NEXT: ret void ; ; FIXED-LABEL: @predicated_sdiv( ; FIXED-NEXT: entry: ; FIXED-NEXT: br label [[VECTOR_PH:%.*]] ; FIXED: vector.ph: ; FIXED-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i64> poison, i64 [[V:%.*]], i64 0 ; FIXED-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i64> [[BROADCAST_SPLATINSERT]], <4 x i64> poison, <4 x i32> zeroinitializer ; FIXED-NEXT: [[TMP0:%.*]] = icmp ne <4 x i64> [[BROADCAST_SPLAT]], zeroinitializer ; FIXED-NEXT: [[TMP5:%.*]] = select <4 x i1> [[TMP0]], <4 x i64> [[BROADCAST_SPLAT]], <4 x i64> splat (i64 1) ; FIXED-NEXT: br label [[VECTOR_BODY:%.*]] ; FIXED: vector.body: ; FIXED-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] ; FIXED-NEXT: [[TMP2:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]] ; FIXED-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i64>, ptr [[TMP2]], align 8 ; FIXED-NEXT: [[TMP8:%.*]] = sdiv <4 x i64> [[WIDE_LOAD1]], [[TMP5]] ; FIXED-NEXT: [[PREDPHI2:%.*]] = select <4 x i1> [[TMP0]], <4 x i64> [[TMP8]], <4 x i64> [[WIDE_LOAD1]] ; FIXED-NEXT: store <4 x i64> [[PREDPHI2]], ptr [[TMP2]], align 8 ; FIXED-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 ; FIXED-NEXT: [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1024 ; FIXED-NEXT: br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]] ; FIXED: middle.block: ; FIXED-NEXT: br label [[FOR_END:%.*]] ; FIXED: scalar.ph: ; FIXED-NEXT: br label [[FOR_BODY:%.*]] ; FIXED: for.body: ; FIXED-NEXT: [[IV:%.*]] = phi i64 [ 0, [[SCALAR_PH:%.*]] ], [ [[IV_NEXT:%.*]], [[LATCH:%.*]] ] ; FIXED-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]] ; FIXED-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8 ; FIXED-NEXT: [[C:%.*]] = icmp ne i64 [[V]], 0 ; FIXED-NEXT: br i1 [[C]], label [[DO_OP:%.*]], label [[LATCH]] ; FIXED: do_op: ; FIXED-NEXT: [[DIVREM:%.*]] = sdiv i64 [[ELEM]], [[V]] ; FIXED-NEXT: br label [[LATCH]] ; FIXED: latch: ; FIXED-NEXT: [[PHI:%.*]] = phi i64 [ [[ELEM]], [[FOR_BODY]] ], [ [[DIVREM]], [[DO_OP]] ] ; FIXED-NEXT: store i64 [[PHI]], ptr [[ARRAYIDX]], align 8 ; FIXED-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 ; FIXED-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024 ; FIXED-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]] ; FIXED: for.end: ; FIXED-NEXT: ret void ; entry: br label %for.body for.body: %iv = phi i64 [ 0, %entry ], [ %iv.next, %latch ] %arrayidx = getelementptr inbounds i64, ptr %a, i64 %iv %elem = load i64, ptr %arrayidx %c = icmp ne i64 %v, 0 br i1 %c, label %do_op, label %latch do_op: %divrem = sdiv i64 %elem, %v br label %latch latch: %phi = phi i64 [%elem, %for.body], [%divrem, %do_op] store i64 %phi, ptr %arrayidx %iv.next = add nuw nsw i64 %iv, 1 %exitcond.not = icmp eq i64 %iv.next, 1024 br i1 %exitcond.not, label %for.end, label %for.body for.end: ret void } define void @predicated_udiv_by_constant(ptr noalias nocapture %a, i64 %n) { ; CHECK-LABEL: @predicated_udiv_by_constant( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[VECTOR_PH:%.*]] ; CHECK: vector.ph: ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] ; CHECK: vector.body: ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[AVL:%.*]] = phi i64 [ 1024, [[VECTOR_PH]] ], [ [[AVL_NEXT:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[TMP14:%.*]] = call i32 @llvm.experimental.get.vector.length.i64(i64 [[AVL]], i32 2, i1 true) ; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]] ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = call @llvm.vp.load.nxv2i64.p0(ptr align 8 [[TMP7]], splat (i1 true), i32 [[TMP14]]) ; CHECK-NEXT: [[TMP2:%.*]] = icmp ne [[WIDE_LOAD]], splat (i64 42) ; CHECK-NEXT: [[TMP10:%.*]] = udiv [[WIDE_LOAD]], splat (i64 27) ; CHECK-NEXT: [[PREDPHI:%.*]] = select [[TMP2]], [[TMP10]], [[WIDE_LOAD]] ; CHECK-NEXT: call void @llvm.vp.store.nxv2i64.p0( [[PREDPHI]], ptr align 8 [[TMP7]], splat (i1 true), i32 [[TMP14]]) ; CHECK-NEXT: [[TMP12:%.*]] = zext i32 [[TMP14]] to i64 ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[TMP12]], [[INDEX]] ; CHECK-NEXT: [[AVL_NEXT]] = sub nuw i64 [[AVL]], [[TMP12]] ; CHECK-NEXT: [[TMP13:%.*]] = icmp eq i64 [[AVL_NEXT]], 0 ; CHECK-NEXT: br i1 [[TMP13]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]] ; CHECK: middle.block: ; CHECK-NEXT: br label [[FOR_END:%.*]] ; CHECK: scalar.ph: ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: [[IV:%.*]] = phi i64 [ 0, [[SCALAR_PH:%.*]] ], [ [[IV_NEXT:%.*]], [[LATCH:%.*]] ] ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]] ; CHECK-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8 ; CHECK-NEXT: [[C:%.*]] = icmp ne i64 [[ELEM]], 42 ; CHECK-NEXT: br i1 [[C]], label [[DO_OP:%.*]], label [[LATCH]] ; CHECK: do_op: ; CHECK-NEXT: [[DIVREM:%.*]] = udiv i64 [[ELEM]], 27 ; CHECK-NEXT: br label [[LATCH]] ; CHECK: latch: ; CHECK-NEXT: [[PHI:%.*]] = phi i64 [ [[ELEM]], [[FOR_BODY]] ], [ [[DIVREM]], [[DO_OP]] ] ; CHECK-NEXT: store i64 [[PHI]], ptr [[ARRAYIDX]], align 8 ; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 ; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024 ; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]] ; CHECK: for.end: ; CHECK-NEXT: ret void ; ; FIXED-LABEL: @predicated_udiv_by_constant( ; FIXED-NEXT: entry: ; FIXED-NEXT: br label [[VECTOR_PH:%.*]] ; FIXED: vector.ph: ; FIXED-NEXT: br label [[VECTOR_BODY:%.*]] ; FIXED: vector.body: ; FIXED-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] ; FIXED-NEXT: [[TMP1:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]] ; FIXED-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i64>, ptr [[TMP1]], align 8 ; FIXED-NEXT: [[TMP5:%.*]] = icmp ne <4 x i64> [[WIDE_LOAD1]], splat (i64 42) ; FIXED-NEXT: [[TMP7:%.*]] = udiv <4 x i64> [[WIDE_LOAD1]], splat (i64 27) ; FIXED-NEXT: [[PREDPHI2:%.*]] = select <4 x i1> [[TMP5]], <4 x i64> [[TMP7]], <4 x i64> [[WIDE_LOAD1]] ; FIXED-NEXT: store <4 x i64> [[PREDPHI2]], ptr [[TMP1]], align 8 ; FIXED-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 ; FIXED-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1024 ; FIXED-NEXT: br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]] ; FIXED: middle.block: ; FIXED-NEXT: br label [[FOR_END:%.*]] ; FIXED: scalar.ph: ; FIXED-NEXT: br label [[FOR_BODY:%.*]] ; FIXED: for.body: ; FIXED-NEXT: [[IV:%.*]] = phi i64 [ 0, [[SCALAR_PH:%.*]] ], [ [[IV_NEXT:%.*]], [[LATCH:%.*]] ] ; FIXED-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]] ; FIXED-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8 ; FIXED-NEXT: [[C:%.*]] = icmp ne i64 [[ELEM]], 42 ; FIXED-NEXT: br i1 [[C]], label [[DO_OP:%.*]], label [[LATCH]] ; FIXED: do_op: ; FIXED-NEXT: [[DIVREM:%.*]] = udiv i64 [[ELEM]], 27 ; FIXED-NEXT: br label [[LATCH]] ; FIXED: latch: ; FIXED-NEXT: [[PHI:%.*]] = phi i64 [ [[ELEM]], [[FOR_BODY]] ], [ [[DIVREM]], [[DO_OP]] ] ; FIXED-NEXT: store i64 [[PHI]], ptr [[ARRAYIDX]], align 8 ; FIXED-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 ; FIXED-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024 ; FIXED-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]] ; FIXED: for.end: ; FIXED-NEXT: ret void ; entry: br label %for.body for.body: %iv = phi i64 [ 0, %entry ], [ %iv.next, %latch ] %arrayidx = getelementptr inbounds i64, ptr %a, i64 %iv %elem = load i64, ptr %arrayidx %c = icmp ne i64 %elem, 42 br i1 %c, label %do_op, label %latch do_op: %divrem = udiv i64 %elem, 27 br label %latch latch: %phi = phi i64 [%elem, %for.body], [%divrem, %do_op] store i64 %phi, ptr %arrayidx %iv.next = add nuw nsw i64 %iv, 1 %exitcond.not = icmp eq i64 %iv.next, 1024 br i1 %exitcond.not, label %for.end, label %for.body for.end: ret void } define void @predicated_sdiv_by_constant(ptr noalias nocapture %a, i64 %n) { ; CHECK-LABEL: @predicated_sdiv_by_constant( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[VECTOR_PH:%.*]] ; CHECK: vector.ph: ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] ; CHECK: vector.body: ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[AVL:%.*]] = phi i64 [ 1024, [[VECTOR_PH]] ], [ [[AVL_NEXT:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[TMP14:%.*]] = call i32 @llvm.experimental.get.vector.length.i64(i64 [[AVL]], i32 2, i1 true) ; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]] ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = call @llvm.vp.load.nxv2i64.p0(ptr align 8 [[TMP7]], splat (i1 true), i32 [[TMP14]]) ; CHECK-NEXT: [[TMP2:%.*]] = icmp ne [[WIDE_LOAD]], splat (i64 42) ; CHECK-NEXT: [[TMP10:%.*]] = sdiv [[WIDE_LOAD]], splat (i64 27) ; CHECK-NEXT: [[PREDPHI:%.*]] = select [[TMP2]], [[TMP10]], [[WIDE_LOAD]] ; CHECK-NEXT: call void @llvm.vp.store.nxv2i64.p0( [[PREDPHI]], ptr align 8 [[TMP7]], splat (i1 true), i32 [[TMP14]]) ; CHECK-NEXT: [[TMP12:%.*]] = zext i32 [[TMP14]] to i64 ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[TMP12]], [[INDEX]] ; CHECK-NEXT: [[AVL_NEXT]] = sub nuw i64 [[AVL]], [[TMP12]] ; CHECK-NEXT: [[TMP13:%.*]] = icmp eq i64 [[AVL_NEXT]], 0 ; CHECK-NEXT: br i1 [[TMP13]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]] ; CHECK: middle.block: ; CHECK-NEXT: br label [[FOR_END:%.*]] ; CHECK: scalar.ph: ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: [[IV:%.*]] = phi i64 [ 0, [[SCALAR_PH:%.*]] ], [ [[IV_NEXT:%.*]], [[LATCH:%.*]] ] ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]] ; CHECK-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8 ; CHECK-NEXT: [[C:%.*]] = icmp ne i64 [[ELEM]], 42 ; CHECK-NEXT: br i1 [[C]], label [[DO_OP:%.*]], label [[LATCH]] ; CHECK: do_op: ; CHECK-NEXT: [[DIVREM:%.*]] = sdiv i64 [[ELEM]], 27 ; CHECK-NEXT: br label [[LATCH]] ; CHECK: latch: ; CHECK-NEXT: [[PHI:%.*]] = phi i64 [ [[ELEM]], [[FOR_BODY]] ], [ [[DIVREM]], [[DO_OP]] ] ; CHECK-NEXT: store i64 [[PHI]], ptr [[ARRAYIDX]], align 8 ; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 ; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024 ; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]] ; CHECK: for.end: ; CHECK-NEXT: ret void ; ; FIXED-LABEL: @predicated_sdiv_by_constant( ; FIXED-NEXT: entry: ; FIXED-NEXT: br label [[VECTOR_PH:%.*]] ; FIXED: vector.ph: ; FIXED-NEXT: br label [[VECTOR_BODY:%.*]] ; FIXED: vector.body: ; FIXED-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] ; FIXED-NEXT: [[TMP1:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]] ; FIXED-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i64>, ptr [[TMP1]], align 8 ; FIXED-NEXT: [[TMP5:%.*]] = icmp ne <4 x i64> [[WIDE_LOAD1]], splat (i64 42) ; FIXED-NEXT: [[TMP7:%.*]] = sdiv <4 x i64> [[WIDE_LOAD1]], splat (i64 27) ; FIXED-NEXT: [[PREDPHI2:%.*]] = select <4 x i1> [[TMP5]], <4 x i64> [[TMP7]], <4 x i64> [[WIDE_LOAD1]] ; FIXED-NEXT: store <4 x i64> [[PREDPHI2]], ptr [[TMP1]], align 8 ; FIXED-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 ; FIXED-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1024 ; FIXED-NEXT: br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]] ; FIXED: middle.block: ; FIXED-NEXT: br label [[FOR_END:%.*]] ; FIXED: scalar.ph: ; FIXED-NEXT: br label [[FOR_BODY:%.*]] ; FIXED: for.body: ; FIXED-NEXT: [[IV:%.*]] = phi i64 [ 0, [[SCALAR_PH:%.*]] ], [ [[IV_NEXT:%.*]], [[LATCH:%.*]] ] ; FIXED-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]] ; FIXED-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8 ; FIXED-NEXT: [[C:%.*]] = icmp ne i64 [[ELEM]], 42 ; FIXED-NEXT: br i1 [[C]], label [[DO_OP:%.*]], label [[LATCH]] ; FIXED: do_op: ; FIXED-NEXT: [[DIVREM:%.*]] = sdiv i64 [[ELEM]], 27 ; FIXED-NEXT: br label [[LATCH]] ; FIXED: latch: ; FIXED-NEXT: [[PHI:%.*]] = phi i64 [ [[ELEM]], [[FOR_BODY]] ], [ [[DIVREM]], [[DO_OP]] ] ; FIXED-NEXT: store i64 [[PHI]], ptr [[ARRAYIDX]], align 8 ; FIXED-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 ; FIXED-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024 ; FIXED-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]] ; FIXED: for.end: ; FIXED-NEXT: ret void ; entry: br label %for.body for.body: %iv = phi i64 [ 0, %entry ], [ %iv.next, %latch ] %arrayidx = getelementptr inbounds i64, ptr %a, i64 %iv %elem = load i64, ptr %arrayidx %c = icmp ne i64 %elem, 42 br i1 %c, label %do_op, label %latch do_op: %divrem = sdiv i64 %elem, 27 br label %latch latch: %phi = phi i64 [%elem, %for.body], [%divrem, %do_op] store i64 %phi, ptr %arrayidx %iv.next = add nuw nsw i64 %iv, 1 %exitcond.not = icmp eq i64 %iv.next, 1024 br i1 %exitcond.not, label %for.end, label %for.body for.end: ret void } define void @predicated_sdiv_by_minus_one(ptr noalias nocapture %a, i64 %n) { ; CHECK-LABEL: @predicated_sdiv_by_minus_one( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[VECTOR_PH:%.*]] ; CHECK: vector.ph: ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] ; CHECK: vector.body: ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[AVL:%.*]] = phi i64 [ 1024, [[VECTOR_PH]] ], [ [[AVL_NEXT:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[TMP12:%.*]] = call i32 @llvm.experimental.get.vector.length.i64(i64 [[AVL]], i32 16, i1 true) ; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement poison, i32 [[TMP12]], i64 0 ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector [[BROADCAST_SPLATINSERT]], poison, zeroinitializer ; CHECK-NEXT: [[TMP6:%.*]] = call @llvm.stepvector.nxv16i32() ; CHECK-NEXT: [[TMP15:%.*]] = icmp ult [[TMP6]], [[BROADCAST_SPLAT]] ; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i8, ptr [[A:%.*]], i64 [[INDEX]] ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = call @llvm.vp.load.nxv16i8.p0(ptr align 1 [[TMP7]], splat (i1 true), i32 [[TMP12]]) ; CHECK-NEXT: [[TMP9:%.*]] = icmp ne [[WIDE_LOAD]], splat (i8 -128) ; CHECK-NEXT: [[TMP16:%.*]] = select [[TMP15]], [[TMP9]], zeroinitializer ; CHECK-NEXT: [[TMP10:%.*]] = select [[TMP16]], splat (i8 -1), splat (i8 1) ; CHECK-NEXT: [[TMP11:%.*]] = sdiv [[WIDE_LOAD]], [[TMP10]] ; CHECK-NEXT: [[PREDPHI:%.*]] = select [[TMP9]], [[TMP11]], [[WIDE_LOAD]] ; CHECK-NEXT: call void @llvm.vp.store.nxv16i8.p0( [[PREDPHI]], ptr align 1 [[TMP7]], splat (i1 true), i32 [[TMP12]]) ; CHECK-NEXT: [[TMP13:%.*]] = zext i32 [[TMP12]] to i64 ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[TMP13]], [[INDEX]] ; CHECK-NEXT: [[AVL_NEXT]] = sub nuw i64 [[AVL]], [[TMP13]] ; CHECK-NEXT: [[TMP14:%.*]] = icmp eq i64 [[AVL_NEXT]], 0 ; CHECK-NEXT: br i1 [[TMP14]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]] ; CHECK: middle.block: ; CHECK-NEXT: br label [[FOR_END:%.*]] ; CHECK: scalar.ph: ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: [[IV:%.*]] = phi i64 [ 0, [[SCALAR_PH:%.*]] ], [ [[IV_NEXT:%.*]], [[LATCH:%.*]] ] ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[IV]] ; CHECK-NEXT: [[ELEM:%.*]] = load i8, ptr [[ARRAYIDX]], align 1 ; CHECK-NEXT: [[C:%.*]] = icmp ne i8 [[ELEM]], -128 ; CHECK-NEXT: br i1 [[C]], label [[DO_OP:%.*]], label [[LATCH]] ; CHECK: do_op: ; CHECK-NEXT: [[DIVREM:%.*]] = sdiv i8 [[ELEM]], -1 ; CHECK-NEXT: br label [[LATCH]] ; CHECK: latch: ; CHECK-NEXT: [[PHI:%.*]] = phi i8 [ [[ELEM]], [[FOR_BODY]] ], [ [[DIVREM]], [[DO_OP]] ] ; CHECK-NEXT: store i8 [[PHI]], ptr [[ARRAYIDX]], align 1 ; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 ; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024 ; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]] ; CHECK: for.end: ; CHECK-NEXT: ret void ; ; FIXED-LABEL: @predicated_sdiv_by_minus_one( ; FIXED-NEXT: entry: ; FIXED-NEXT: br label [[VECTOR_PH:%.*]] ; FIXED: vector.ph: ; FIXED-NEXT: br label [[VECTOR_BODY:%.*]] ; FIXED: vector.body: ; FIXED-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] ; FIXED-NEXT: [[TMP1:%.*]] = getelementptr inbounds i8, ptr [[A:%.*]], i64 [[INDEX]] ; FIXED-NEXT: [[WIDE_LOAD1:%.*]] = load <32 x i8>, ptr [[TMP1]], align 1 ; FIXED-NEXT: [[TMP5:%.*]] = icmp ne <32 x i8> [[WIDE_LOAD1]], splat (i8 -128) ; FIXED-NEXT: [[TMP7:%.*]] = select <32 x i1> [[TMP5]], <32 x i8> splat (i8 -1), <32 x i8> splat (i8 1) ; FIXED-NEXT: [[TMP9:%.*]] = sdiv <32 x i8> [[WIDE_LOAD1]], [[TMP7]] ; FIXED-NEXT: [[PREDPHI2:%.*]] = select <32 x i1> [[TMP5]], <32 x i8> [[TMP9]], <32 x i8> [[WIDE_LOAD1]] ; FIXED-NEXT: store <32 x i8> [[PREDPHI2]], ptr [[TMP1]], align 1 ; FIXED-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 32 ; FIXED-NEXT: [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1024 ; FIXED-NEXT: br i1 [[TMP10]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]] ; FIXED: middle.block: ; FIXED-NEXT: br label [[FOR_END:%.*]] ; FIXED: scalar.ph: ; FIXED-NEXT: br label [[FOR_BODY:%.*]] ; FIXED: for.body: ; FIXED-NEXT: [[IV:%.*]] = phi i64 [ 0, [[SCALAR_PH:%.*]] ], [ [[IV_NEXT:%.*]], [[LATCH:%.*]] ] ; FIXED-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[IV]] ; FIXED-NEXT: [[ELEM:%.*]] = load i8, ptr [[ARRAYIDX]], align 1 ; FIXED-NEXT: [[C:%.*]] = icmp ne i8 [[ELEM]], -128 ; FIXED-NEXT: br i1 [[C]], label [[DO_OP:%.*]], label [[LATCH]] ; FIXED: do_op: ; FIXED-NEXT: [[DIVREM:%.*]] = sdiv i8 [[ELEM]], -1 ; FIXED-NEXT: br label [[LATCH]] ; FIXED: latch: ; FIXED-NEXT: [[PHI:%.*]] = phi i8 [ [[ELEM]], [[FOR_BODY]] ], [ [[DIVREM]], [[DO_OP]] ] ; FIXED-NEXT: store i8 [[PHI]], ptr [[ARRAYIDX]], align 1 ; FIXED-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 ; FIXED-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024 ; FIXED-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]] ; FIXED: for.end: ; FIXED-NEXT: ret void ; entry: br label %for.body for.body: %iv = phi i64 [ 0, %entry ], [ %iv.next, %latch ] %arrayidx = getelementptr inbounds i8, ptr %a, i64 %iv %elem = load i8, ptr %arrayidx %c = icmp ne i8 %elem, 128 br i1 %c, label %do_op, label %latch do_op: %divrem = sdiv i8 %elem, -1 ;; UB if %elem = INT_MIN br label %latch latch: %phi = phi i8 [%elem, %for.body], [%divrem, %do_op] store i8 %phi, ptr %arrayidx %iv.next = add nuw nsw i64 %iv, 1 %exitcond.not = icmp eq i64 %iv.next, 1024 br i1 %exitcond.not, label %for.end, label %for.body for.end: ret void } ; Test for https://github.com/llvm/llvm-project/issues/159402. For invariant divisors, ; selects can be introduced outside the vector loop and their cost should not be ; considered for each loop iteration. define i32 @udiv_sdiv_with_invariant_divisors(i8 %x, i16 %y, i1 %c) { ; CHECK-LABEL: @udiv_sdiv_with_invariant_divisors( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TMP0:%.*]] = call i32 @llvm.vscale.i32() ; CHECK-NEXT: [[TMP1:%.*]] = shl nuw i32 [[TMP0]], 1 ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 12, [[TMP1]] ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] ; CHECK: vector.ph: ; CHECK-NEXT: [[TMP2:%.*]] = call i32 @llvm.vscale.i32() ; CHECK-NEXT: [[TMP3:%.*]] = mul nuw i32 [[TMP2]], 2 ; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 12, [[TMP3]] ; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 12, [[N_MOD_VF]] ; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement poison, i16 [[Y:%.*]], i64 0 ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector [[BROADCAST_SPLATINSERT]], poison, zeroinitializer ; CHECK-NEXT: [[BROADCAST_SPLATINSERT1:%.*]] = insertelement poison, i8 [[X:%.*]], i64 0 ; CHECK-NEXT: [[BROADCAST_SPLAT2:%.*]] = shufflevector [[BROADCAST_SPLATINSERT1]], poison, zeroinitializer ; CHECK-NEXT: [[BROADCAST_SPLATINSERT3:%.*]] = insertelement poison, i1 [[C:%.*]], i64 0 ; CHECK-NEXT: [[BROADCAST_SPLAT4:%.*]] = shufflevector [[BROADCAST_SPLATINSERT3]], poison, zeroinitializer ; CHECK-NEXT: [[DOTCAST:%.*]] = trunc i32 [[N_VEC]] to i16 ; CHECK-NEXT: [[TMP4:%.*]] = add i16 -12, [[DOTCAST]] ; CHECK-NEXT: [[DOTCAST5:%.*]] = trunc i32 [[N_VEC]] to i8 ; CHECK-NEXT: [[TMP5:%.*]] = add i8 -12, [[DOTCAST5]] ; CHECK-NEXT: [[TMP6:%.*]] = select [[BROADCAST_SPLAT4]], splat (i8 1), [[BROADCAST_SPLAT2]] ; CHECK-NEXT: [[TMP7:%.*]] = select [[BROADCAST_SPLAT4]], splat (i16 1), [[BROADCAST_SPLAT]] ; CHECK-NEXT: [[TMP8:%.*]] = call @llvm.stepvector.nxv2i8() ; CHECK-NEXT: [[TMP9:%.*]] = mul [[TMP8]], splat (i8 1) ; CHECK-NEXT: [[INDUCTION:%.*]] = add splat (i8 -12), [[TMP9]] ; CHECK-NEXT: [[TMP10:%.*]] = trunc i32 [[TMP3]] to i8 ; CHECK-NEXT: [[BROADCAST_SPLATINSERT6:%.*]] = insertelement poison, i8 [[TMP10]], i64 0 ; CHECK-NEXT: [[BROADCAST_SPLAT7:%.*]] = shufflevector [[BROADCAST_SPLATINSERT6]], poison, zeroinitializer ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] ; CHECK: vector.body: ; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[VEC_IND:%.*]] = phi [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[TMP11:%.*]] = udiv [[VEC_IND]], [[TMP6]] ; CHECK-NEXT: [[TMP12:%.*]] = zext [[TMP11]] to ; CHECK-NEXT: [[TMP13:%.*]] = sdiv [[TMP12]], [[TMP7]] ; CHECK-NEXT: [[TMP14:%.*]] = sext [[TMP13]] to ; CHECK-NEXT: [[PREDPHI:%.*]] = select [[BROADCAST_SPLAT4]], zeroinitializer, [[TMP14]] ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], [[TMP3]] ; CHECK-NEXT: [[VEC_IND_NEXT]] = add [[VEC_IND]], [[BROADCAST_SPLAT7]] ; CHECK-NEXT: [[TMP15:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]] ; CHECK-NEXT: br i1 [[TMP15]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]] ; CHECK: middle.block: ; CHECK-NEXT: [[TMP16:%.*]] = call i32 @llvm.vscale.i32() ; CHECK-NEXT: [[TMP17:%.*]] = mul nuw i32 [[TMP16]], 2 ; CHECK-NEXT: [[TMP18:%.*]] = sub i32 [[TMP17]], 1 ; CHECK-NEXT: [[TMP19:%.*]] = extractelement [[PREDPHI]], i32 [[TMP18]] ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 12, [[N_VEC]] ; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] ; CHECK: scalar.ph: ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i16 [ [[TMP4]], [[MIDDLE_BLOCK]] ], [ -12, [[ENTRY:%.*]] ] ; CHECK-NEXT: [[BC_RESUME_VAL8:%.*]] = phi i8 [ [[TMP5]], [[MIDDLE_BLOCK]] ], [ -12, [[ENTRY]] ] ; CHECK-NEXT: br label [[LOOP_HEADER:%.*]] ; CHECK: loop.header: ; CHECK-NEXT: [[IV:%.*]] = phi i16 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ] ; CHECK-NEXT: [[NARROW_IV:%.*]] = phi i8 [ [[BC_RESUME_VAL8]], [[SCALAR_PH]] ], [ [[IV_NEXT_TRUNC:%.*]], [[LOOP_LATCH]] ] ; CHECK-NEXT: br i1 [[C]], label [[LOOP_LATCH]], label [[THEN:%.*]] ; CHECK: then: ; CHECK-NEXT: [[UD:%.*]] = udiv i8 [[NARROW_IV]], [[X]] ; CHECK-NEXT: [[UD_EXT:%.*]] = zext i8 [[UD]] to i16 ; CHECK-NEXT: [[SD:%.*]] = sdiv i16 [[UD_EXT]], [[Y]] ; CHECK-NEXT: [[SD_EXT:%.*]] = sext i16 [[SD]] to i32 ; CHECK-NEXT: br label [[LOOP_LATCH]] ; CHECK: loop.latch: ; CHECK-NEXT: [[MERGE:%.*]] = phi i32 [ 0, [[LOOP_HEADER]] ], [ [[SD_EXT]], [[THEN]] ] ; CHECK-NEXT: [[IV_NEXT]] = add nsw i16 [[IV]], 1 ; CHECK-NEXT: [[EC:%.*]] = icmp eq i16 [[IV_NEXT]], 0 ; CHECK-NEXT: [[IV_NEXT_TRUNC]] = trunc i16 [[IV_NEXT]] to i8 ; CHECK-NEXT: br i1 [[EC]], label [[EXIT]], label [[LOOP_HEADER]], !llvm.loop [[LOOP13:![0-9]+]] ; CHECK: exit: ; CHECK-NEXT: [[MERGE_LCSSA:%.*]] = phi i32 [ [[MERGE]], [[LOOP_LATCH]] ], [ [[TMP19]], [[MIDDLE_BLOCK]] ] ; CHECK-NEXT: ret i32 [[MERGE_LCSSA]] ; ; FIXED-LABEL: @udiv_sdiv_with_invariant_divisors( ; FIXED-NEXT: entry: ; FIXED-NEXT: br label [[VECTOR_PH:%.*]] ; FIXED: vector.ph: ; FIXED-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i16> poison, i16 [[Y:%.*]], i64 0 ; FIXED-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i16> [[BROADCAST_SPLATINSERT]], <4 x i16> poison, <4 x i32> zeroinitializer ; FIXED-NEXT: [[BROADCAST_SPLATINSERT1:%.*]] = insertelement <4 x i8> poison, i8 [[X:%.*]], i64 0 ; FIXED-NEXT: [[BROADCAST_SPLAT2:%.*]] = shufflevector <4 x i8> [[BROADCAST_SPLATINSERT1]], <4 x i8> poison, <4 x i32> zeroinitializer ; FIXED-NEXT: [[BROADCAST_SPLATINSERT3:%.*]] = insertelement <4 x i1> poison, i1 [[C:%.*]], i64 0 ; FIXED-NEXT: [[BROADCAST_SPLAT4:%.*]] = shufflevector <4 x i1> [[BROADCAST_SPLATINSERT3]], <4 x i1> poison, <4 x i32> zeroinitializer ; FIXED-NEXT: [[TMP0:%.*]] = select <4 x i1> [[BROADCAST_SPLAT4]], <4 x i8> splat (i8 1), <4 x i8> [[BROADCAST_SPLAT2]] ; FIXED-NEXT: [[TMP1:%.*]] = select <4 x i1> [[BROADCAST_SPLAT4]], <4 x i16> splat (i16 1), <4 x i16> [[BROADCAST_SPLAT]] ; FIXED-NEXT: br label [[VECTOR_BODY:%.*]] ; FIXED: vector.body: ; FIXED-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] ; FIXED-NEXT: [[VEC_IND:%.*]] = phi <4 x i8> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] ; FIXED-NEXT: [[TMP2:%.*]] = udiv <4 x i8> [[VEC_IND]], [[TMP0]] ; FIXED-NEXT: [[TMP3:%.*]] = zext <4 x i8> [[TMP2]] to <4 x i16> ; FIXED-NEXT: [[TMP4:%.*]] = sdiv <4 x i16> [[TMP3]], [[TMP1]] ; FIXED-NEXT: [[TMP5:%.*]] = sext <4 x i16> [[TMP4]] to <4 x i32> ; FIXED-NEXT: [[PREDPHI:%.*]] = select <4 x i1> [[BROADCAST_SPLAT4]], <4 x i32> zeroinitializer, <4 x i32> [[TMP5]] ; FIXED-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4 ; FIXED-NEXT: [[VEC_IND_NEXT]] = add <4 x i8> [[VEC_IND]], splat (i8 4) ; FIXED-NEXT: [[TMP6:%.*]] = icmp eq i32 [[INDEX_NEXT]], 12 ; FIXED-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]] ; FIXED: middle.block: ; FIXED-NEXT: [[TMP7:%.*]] = extractelement <4 x i32> [[PREDPHI]], i32 3 ; FIXED-NEXT: br label [[EXIT:%.*]] ; FIXED: scalar.ph: ; FIXED-NEXT: br label [[LOOP_HEADER:%.*]] ; FIXED: loop.header: ; FIXED-NEXT: [[IV:%.*]] = phi i16 [ -12, [[SCALAR_PH:%.*]] ], [ [[IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ] ; FIXED-NEXT: [[NARROW_IV:%.*]] = phi i8 [ -12, [[SCALAR_PH]] ], [ [[IV_NEXT_TRUNC:%.*]], [[LOOP_LATCH]] ] ; FIXED-NEXT: br i1 [[C]], label [[LOOP_LATCH]], label [[THEN:%.*]] ; FIXED: then: ; FIXED-NEXT: [[UD:%.*]] = udiv i8 [[NARROW_IV]], [[X]] ; FIXED-NEXT: [[UD_EXT:%.*]] = zext i8 [[UD]] to i16 ; FIXED-NEXT: [[SD:%.*]] = sdiv i16 [[UD_EXT]], [[Y]] ; FIXED-NEXT: [[SD_EXT:%.*]] = sext i16 [[SD]] to i32 ; FIXED-NEXT: br label [[LOOP_LATCH]] ; FIXED: loop.latch: ; FIXED-NEXT: [[MERGE:%.*]] = phi i32 [ 0, [[LOOP_HEADER]] ], [ [[SD_EXT]], [[THEN]] ] ; FIXED-NEXT: [[IV_NEXT]] = add nsw i16 [[IV]], 1 ; FIXED-NEXT: [[EC:%.*]] = icmp eq i16 [[IV_NEXT]], 0 ; FIXED-NEXT: [[IV_NEXT_TRUNC]] = trunc i16 [[IV_NEXT]] to i8 ; FIXED-NEXT: br i1 [[EC]], label [[EXIT]], label [[LOOP_HEADER]] ; FIXED: exit: ; FIXED-NEXT: [[MERGE_LCSSA:%.*]] = phi i32 [ [[MERGE]], [[LOOP_LATCH]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ] ; FIXED-NEXT: ret i32 [[MERGE_LCSSA]] ; entry: br label %loop.header loop.header: %iv = phi i16 [ -12, %entry ], [ %iv.next, %loop.latch ] %narrow.iv = phi i8 [ -12, %entry ], [ %iv.next.trunc, %loop.latch ] br i1 %c, label %loop.latch, label %then then: %ud = udiv i8 %narrow.iv, %x %ud.ext = zext i8 %ud to i16 %sd = sdiv i16 %ud.ext, %y %sd.ext = sext i16 %sd to i32 br label %loop.latch loop.latch: %merge = phi i32 [ 0, %loop.header ], [ %sd.ext, %then ] %iv.next = add nsw i16 %iv, 1 %ec = icmp eq i16 %iv.next, 0 %iv.next.trunc = trunc i16 %iv.next to i8 br i1 %ec, label %exit, label %loop.header exit: ret i32 %merge }