; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals none --version 5 ; RUN: opt -passes=loop-vectorize -force-vector-width=2 -force-vector-interleave=2 -scev-verify-ir -S %s | FileCheck %s ; Make sure SCEV is not queried while the IR is temporarily invalid. define void @pr49538() { ; CHECK-LABEL: define void @pr49538() { ; CHECK-NEXT: [[ENTRY:.*]]: ; CHECK-NEXT: br label %[[LOOP_0:.*]] ; CHECK: [[LOOP_0]]: ; CHECK-NEXT: [[IV_0:%.*]] = phi i16 [ -1, %[[ENTRY]] ], [ [[IV_0_NEXT:%.*]], %[[LOOP_0_LATCH:.*]] ] ; CHECK-NEXT: [[TMP0:%.*]] = zext i16 [[IV_0]] to i32 ; CHECK-NEXT: [[TMP1:%.*]] = add nuw nsw i32 [[TMP0]], 1 ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP1]], 4 ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] ; CHECK: [[VECTOR_PH]]: ; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[TMP1]], 4 ; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[TMP1]], [[N_MOD_VF]] ; CHECK-NEXT: [[DOTCAST:%.*]] = trunc i32 [[N_VEC]] to i16 ; CHECK-NEXT: [[TMP2:%.*]] = add i16 -1, [[DOTCAST]] ; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] ; CHECK: [[VECTOR_BODY]]: ; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4 ; CHECK-NEXT: [[TMP3:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]] ; CHECK-NEXT: br i1 [[TMP3]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] ; CHECK: [[MIDDLE_BLOCK]]: ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP1]], [[N_VEC]] ; CHECK-NEXT: br i1 [[CMP_N]], label %[[LOOP_0_LATCH]], label %[[SCALAR_PH]] ; CHECK: [[SCALAR_PH]]: ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i16 [ [[TMP2]], %[[MIDDLE_BLOCK]] ], [ -1, %[[LOOP_0]] ] ; CHECK-NEXT: br label %[[LOOP_1:.*]] ; CHECK: [[LOOP_1]]: ; CHECK-NEXT: [[IV_1:%.*]] = phi i16 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_1_NEXT:%.*]], %[[LOOP_1]] ] ; CHECK-NEXT: [[IV_1_NEXT]] = add nsw i16 [[IV_1]], 1 ; CHECK-NEXT: [[I6:%.*]] = icmp eq i16 [[IV_1_NEXT]], [[IV_0]] ; CHECK-NEXT: br i1 [[I6]], label %[[LOOP_0_LATCH]], label %[[LOOP_1]], !llvm.loop [[LOOP3:![0-9]+]] ; CHECK: [[LOOP_0_LATCH]]: ; CHECK-NEXT: [[I8:%.*]] = phi i16 [ 1, %[[LOOP_1]] ], [ 1, %[[MIDDLE_BLOCK]] ] ; CHECK-NEXT: [[IV_0_NEXT]] = add nsw i16 [[IV_0]], 1 ; CHECK-NEXT: [[EC_0:%.*]] = icmp eq i16 [[IV_0_NEXT]], [[I8]] ; CHECK-NEXT: br i1 [[EC_0]], label %[[EXIT:.*]], label %[[LOOP_0]] ; CHECK: [[EXIT]]: ; CHECK-NEXT: ret void ; entry: br label %loop.0 loop.0: %iv.0 = phi i16 [ -1, %entry ], [ %iv.0.next, %loop.0.latch ] br label %loop.1 loop.1: %iv.1 = phi i16 [ -1, %loop.0 ], [ %iv.1.next, %loop.1 ] %iv.1.next = add nsw i16 %iv.1, 1 %i6 = icmp eq i16 %iv.1.next, %iv.0 br i1 %i6, label %loop.0.latch, label %loop.1 loop.0.latch: %i8 = phi i16 [ 1, %loop.1 ] %iv.0.next = add nsw i16 %iv.0, 1 %ec.0 = icmp eq i16 %iv.0.next, %i8 br i1 %ec.0, label %exit, label %loop.0 exit: ret void } define void @pr49900(i32 %x, ptr %ptr) { ; CHECK-LABEL: define void @pr49900( ; CHECK-SAME: i32 [[X:%.*]], ptr [[PTR:%.*]]) { ; CHECK-NEXT: [[ENTRY:.*:]] ; CHECK-NEXT: br label %[[LOOP_0:.*]] ; CHECK: [[LOOP_0]]: ; CHECK-NEXT: [[EC_0:%.*]] = icmp slt i32 [[X]], 0 ; CHECK-NEXT: br i1 [[EC_0]], label %[[LOOP_0]], label %[[LOOP_1_PH:.*]] ; CHECK: [[LOOP_1_PH]]: ; CHECK-NEXT: br label %[[LOOP_1:.*]] ; CHECK: [[LOOP_1]]: ; CHECK-NEXT: [[IV_1:%.*]] = phi i32 [ 0, %[[LOOP_1_PH]] ], [ [[IV_3_NEXT_LCSSA:%.*]], %[[LOOP_1_LATCH:.*]] ] ; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[IV_1]], 12 ; CHECK-NEXT: [[SMAX2:%.*]] = call i32 @llvm.smax.i32(i32 [[TMP0]], i32 65537) ; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[SMAX2]], -12 ; CHECK-NEXT: [[TMP2:%.*]] = sub i32 [[TMP1]], [[IV_1]] ; CHECK-NEXT: [[UMIN3:%.*]] = call i32 @llvm.umin.i32(i32 [[TMP2]], i32 1) ; CHECK-NEXT: [[TMP3:%.*]] = add i32 [[UMIN3]], 1 ; CHECK-NEXT: [[TMP4:%.*]] = sub i32 [[TMP2]], [[UMIN3]] ; CHECK-NEXT: [[TMP5:%.*]] = udiv i32 [[TMP4]], 13 ; CHECK-NEXT: [[TMP6:%.*]] = add i32 [[TMP3]], [[TMP5]] ; CHECK-NEXT: [[MIN_ITERS_CHECK5:%.*]] = icmp ult i32 [[TMP6]], 4 ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK5]], label %[[SCALAR_PH4:.*]], label %[[VECTOR_PH6:.*]] ; CHECK: [[VECTOR_PH6]]: ; CHECK-NEXT: [[N_MOD_VF7:%.*]] = urem i32 [[TMP6]], 4 ; CHECK-NEXT: [[N_VEC8:%.*]] = sub i32 [[TMP6]], [[N_MOD_VF7]] ; CHECK-NEXT: [[TMP7:%.*]] = mul i32 [[N_VEC8]], 13 ; CHECK-NEXT: [[TMP8:%.*]] = add i32 [[IV_1]], [[TMP7]] ; CHECK-NEXT: br label %[[VECTOR_BODY9:.*]] ; CHECK: [[VECTOR_BODY9]]: ; CHECK-NEXT: [[INDEX10:%.*]] = phi i32 [ 0, %[[VECTOR_PH6]] ], [ [[INDEX_NEXT11:%.*]], %[[VECTOR_BODY9]] ] ; CHECK-NEXT: [[INDEX_NEXT11]] = add nuw i32 [[INDEX10]], 4 ; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i32 [[INDEX_NEXT11]], [[N_VEC8]] ; CHECK-NEXT: br i1 [[TMP9]], label %[[MIDDLE_BLOCK12:.*]], label %[[VECTOR_BODY9]], !llvm.loop [[LOOP4:![0-9]+]] ; CHECK: [[MIDDLE_BLOCK12]]: ; CHECK-NEXT: [[CMP_N13:%.*]] = icmp eq i32 [[TMP6]], [[N_VEC8]] ; CHECK-NEXT: br i1 [[CMP_N13]], label %[[LOOP_3_PH:.*]], label %[[SCALAR_PH4]] ; CHECK: [[SCALAR_PH4]]: ; CHECK-NEXT: [[BC_RESUME_VAL14:%.*]] = phi i32 [ [[TMP8]], %[[MIDDLE_BLOCK12]] ], [ [[IV_1]], %[[LOOP_1]] ] ; CHECK-NEXT: br label %[[LOOP_2:.*]] ; CHECK: [[LOOP_2]]: ; CHECK-NEXT: [[IV_2:%.*]] = phi i32 [ [[BC_RESUME_VAL14]], %[[SCALAR_PH4]] ], [ [[IV_2_NEXT:%.*]], %[[LOOP_2]] ] ; CHECK-NEXT: [[TMP54:%.*]] = add i32 [[IV_2]], 12 ; CHECK-NEXT: [[IV_2_NEXT]] = add i32 [[IV_2]], 13 ; CHECK-NEXT: [[EXT:%.*]] = zext i32 [[IV_2_NEXT]] to i64 ; CHECK-NEXT: [[TMP56:%.*]] = add nuw nsw i64 [[EXT]], 1 ; CHECK-NEXT: [[C6:%.*]] = icmp sle i32 [[TMP54]], 65536 ; CHECK-NEXT: br i1 [[C6]], label %[[LOOP_2]], label %[[LOOP_3_PH]], !llvm.loop [[LOOP5:![0-9]+]] ; CHECK: [[LOOP_3_PH]]: ; CHECK-NEXT: [[IV_2_NEXT_LCSSA:%.*]] = phi i32 [ [[IV_2_NEXT]], %[[LOOP_2]] ], [ [[TMP8]], %[[MIDDLE_BLOCK12]] ] ; CHECK-NEXT: [[TMP10:%.*]] = add i32 [[IV_1]], 26 ; CHECK-NEXT: [[TMP11:%.*]] = add i32 [[IV_1]], 12 ; CHECK-NEXT: [[SMAX:%.*]] = call i32 @llvm.smax.i32(i32 [[TMP11]], i32 65537) ; CHECK-NEXT: [[TMP12:%.*]] = add i32 [[SMAX]], -12 ; CHECK-NEXT: [[TMP13:%.*]] = sub i32 [[TMP12]], [[IV_1]] ; CHECK-NEXT: [[UMIN:%.*]] = call i32 @llvm.umin.i32(i32 [[TMP13]], i32 1) ; CHECK-NEXT: [[TMP14:%.*]] = sub i32 [[TMP13]], [[UMIN]] ; CHECK-NEXT: [[TMP15:%.*]] = udiv i32 [[TMP14]], 13 ; CHECK-NEXT: [[TMP16:%.*]] = add i32 [[UMIN]], [[TMP15]] ; CHECK-NEXT: [[TMP17:%.*]] = mul i32 [[TMP16]], 13 ; CHECK-NEXT: [[TMP18:%.*]] = add i32 [[TMP10]], [[TMP17]] ; CHECK-NEXT: [[UMAX:%.*]] = call i32 @llvm.umax.i32(i32 [[TMP18]], i32 65536) ; CHECK-NEXT: [[TMP19:%.*]] = add i32 [[UMAX]], -26 ; CHECK-NEXT: [[TMP20:%.*]] = sub i32 [[TMP19]], [[IV_1]] ; CHECK-NEXT: [[TMP21:%.*]] = sub i32 [[TMP20]], [[TMP17]] ; CHECK-NEXT: [[UMIN1:%.*]] = call i32 @llvm.umin.i32(i32 [[TMP21]], i32 1) ; CHECK-NEXT: [[TMP22:%.*]] = add i32 [[UMIN1]], 1 ; CHECK-NEXT: [[TMP23:%.*]] = sub i32 [[TMP20]], [[UMIN1]] ; CHECK-NEXT: [[TMP24:%.*]] = sub i32 [[TMP23]], [[TMP17]] ; CHECK-NEXT: [[TMP25:%.*]] = udiv i32 [[TMP24]], 13 ; CHECK-NEXT: [[TMP26:%.*]] = add i32 [[TMP22]], [[TMP25]] ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP26]], 4 ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] ; CHECK: [[VECTOR_PH]]: ; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[TMP26]], 4 ; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[TMP26]], [[N_MOD_VF]] ; CHECK-NEXT: [[TMP27:%.*]] = mul i32 [[N_VEC]], 13 ; CHECK-NEXT: [[TMP28:%.*]] = add i32 [[IV_2_NEXT_LCSSA]], [[TMP27]] ; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] ; CHECK: [[VECTOR_BODY]]: ; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4 ; CHECK-NEXT: [[TMP29:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]] ; CHECK-NEXT: br i1 [[TMP29]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]] ; CHECK: [[MIDDLE_BLOCK]]: ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP26]], [[N_VEC]] ; CHECK-NEXT: br i1 [[CMP_N]], label %[[LOOP_1_LATCH]], label %[[SCALAR_PH]] ; CHECK: [[SCALAR_PH]]: ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[TMP28]], %[[MIDDLE_BLOCK]] ], [ [[IV_2_NEXT_LCSSA]], %[[LOOP_3_PH]] ] ; CHECK-NEXT: br label %[[LOOP_3:.*]] ; CHECK: [[LOOP_3]]: ; CHECK-NEXT: [[IV_3:%.*]] = phi i32 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_3_NEXT:%.*]], %[[LOOP_3]] ] ; CHECK-NEXT: [[IV_3_NEXT]] = add i32 [[IV_3]], 13 ; CHECK-NEXT: [[C1:%.*]] = icmp ult i32 [[IV_3_NEXT]], 65536 ; CHECK-NEXT: br i1 [[C1]], label %[[LOOP_3]], label %[[LOOP_1_LATCH]], !llvm.loop [[LOOP7:![0-9]+]] ; CHECK: [[LOOP_1_LATCH]]: ; CHECK-NEXT: [[IV_3_NEXT_LCSSA]] = phi i32 [ [[IV_3_NEXT]], %[[LOOP_3]] ], [ [[TMP28]], %[[MIDDLE_BLOCK]] ] ; CHECK-NEXT: [[EC:%.*]] = icmp ne i32 [[IV_1]], 9999 ; CHECK-NEXT: br i1 [[EC]], label %[[LOOP_1]], label %[[EXIT:.*]] ; CHECK: [[EXIT]]: ; CHECK-NEXT: ret void ; entry: br label %loop.0 loop.0: ; preds = %bb2, %bb %ec.0 = icmp slt i32 %x, 0 br i1 %ec.0, label %loop.0, label %loop.1.ph loop.1.ph: ; preds = %bb2 br label %loop.1 loop.1: ; preds = %bb33, %bb5 %iv.1 = phi i32 [ 0, %loop.1.ph ], [ %iv.3.next, %loop.1.latch ] br label %loop.2 loop.2: %iv.2 = phi i32 [ %iv.1, %loop.1 ], [ %iv.2.next, %loop.2 ] %tmp54 = add i32 %iv.2, 12 %iv.2.next = add i32 %iv.2, 13 %ext = zext i32 %iv.2.next to i64 %tmp56 = add nuw nsw i64 %ext, 1 %C6 = icmp sle i32 %tmp54, 65536 br i1 %C6, label %loop.2, label %loop.3.ph loop.3.ph: br label %loop.3 loop.3: %iv.3 = phi i32 [ %iv.2.next, %loop.3.ph ], [ %iv.3.next, %loop.3 ] %iv.3.next = add i32 %iv.3 , 13 %C1 = icmp ult i32 %iv.3.next, 65536 br i1 %C1, label %loop.3, label %loop.1.latch loop.1.latch: %ec = icmp ne i32 %iv.1, 9999 br i1 %ec, label %loop.1, label %exit exit: ret void } define void @pr52024(ptr %dst, i16 %N) { ; CHECK-LABEL: define void @pr52024( ; CHECK-SAME: ptr [[DST:%.*]], i16 [[N:%.*]]) { ; CHECK-NEXT: [[ENTRY:.*]]: ; CHECK-NEXT: br label %[[LOOP_1:.*]] ; CHECK: [[LOOP_1]]: ; CHECK-NEXT: [[IV_1:%.*]] = phi i16 [ 1, %[[ENTRY]] ], [ [[IV_1_NEXT:%.*]], %[[LOOP_1_LATCH:.*]] ] ; CHECK-NEXT: [[IV_1_NEXT]] = mul i16 [[IV_1]], 3 ; CHECK-NEXT: [[EXITCOND_1:%.*]] = icmp uge i16 [[IV_1_NEXT]], 99 ; CHECK-NEXT: br i1 [[EXITCOND_1]], label %[[LOOP_1_LATCH]], label %[[EXIT_LOOPEXIT1:.*]] ; CHECK: [[LOOP_1_LATCH]]: ; CHECK-NEXT: [[EXITCOND_2:%.*]] = icmp eq i16 [[IV_1_NEXT]], [[N]] ; CHECK-NEXT: br i1 [[EXITCOND_2]], label %[[LOOP_2_PH:.*]], label %[[LOOP_1]] ; CHECK: [[LOOP_2_PH]]: ; CHECK-NEXT: [[IV_1_LCSSA2:%.*]] = phi i16 [ [[IV_1]], %[[LOOP_1_LATCH]] ] ; CHECK-NEXT: [[IV_1_NEXT_LCSSA:%.*]] = phi i16 [ [[IV_1_NEXT]], %[[LOOP_1_LATCH]] ] ; CHECK-NEXT: [[IV_1_NEXT_EXT:%.*]] = sext i16 [[IV_1_NEXT_LCSSA]] to i64 ; CHECK-NEXT: [[TMP0:%.*]] = mul i16 [[IV_1_LCSSA2]], 3 ; CHECK-NEXT: br label %[[LOOP_2_HEADER:.*]] ; CHECK: [[LOOP_2_HEADER]]: ; CHECK-NEXT: [[IV_1_REM:%.*]] = urem i64 100, [[IV_1_NEXT_EXT]] ; CHECK-NEXT: [[REM_TRUNC:%.*]] = trunc i64 [[IV_1_REM]] to i16 ; CHECK-NEXT: [[TMP1:%.*]] = udiv i64 100, [[IV_1_NEXT_EXT]] ; CHECK-NEXT: [[TMP2:%.*]] = trunc i64 [[TMP1]] to i16 ; CHECK-NEXT: [[TMP3:%.*]] = mul i16 [[TMP0]], [[TMP2]] ; CHECK-NEXT: [[TMP4:%.*]] = add i16 [[TMP3]], -100 ; CHECK-NEXT: br label %[[VECTOR_PH:.*]] ; CHECK: [[VECTOR_PH]]: ; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i16> poison, i16 [[TMP4]], i64 0 ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i16> [[BROADCAST_SPLATINSERT]], <2 x i16> poison, <2 x i32> zeroinitializer ; CHECK-NEXT: [[TMP5:%.*]] = mul i16 24, [[TMP4]] ; CHECK-NEXT: [[TMP6:%.*]] = mul <2 x i16> splat (i16 2), [[BROADCAST_SPLAT]] ; CHECK-NEXT: [[BROADCAST_SPLATINSERT3:%.*]] = insertelement <2 x i16> poison, i16 [[REM_TRUNC]], i64 0 ; CHECK-NEXT: [[BROADCAST_SPLAT4:%.*]] = shufflevector <2 x i16> [[BROADCAST_SPLATINSERT3]], <2 x i16> poison, <2 x i32> zeroinitializer ; CHECK-NEXT: [[BROADCAST_SPLATINSERT5:%.*]] = insertelement <2 x i16> poison, i16 [[TMP4]], i64 0 ; CHECK-NEXT: [[BROADCAST_SPLAT6:%.*]] = shufflevector <2 x i16> [[BROADCAST_SPLATINSERT5]], <2 x i16> poison, <2 x i32> zeroinitializer ; CHECK-NEXT: [[TMP7:%.*]] = mul <2 x i16> , [[BROADCAST_SPLAT6]] ; CHECK-NEXT: [[INDUCTION:%.*]] = add <2 x i16> zeroinitializer, [[TMP7]] ; 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 <2 x i16> [ [[INDUCTION]], %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ] ; CHECK-NEXT: [[STEP_ADD:%.*]] = add <2 x i16> [[VEC_IND]], [[TMP6]] ; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i32 8, [[INDEX]] ; CHECK-NEXT: [[TMP8:%.*]] = sub <2 x i16> [[VEC_IND]], [[BROADCAST_SPLAT4]] ; CHECK-NEXT: [[TMP9:%.*]] = sub <2 x i16> [[STEP_ADD]], [[BROADCAST_SPLAT4]] ; CHECK-NEXT: [[TMP10:%.*]] = zext <2 x i16> [[TMP8]] to <2 x i32> ; CHECK-NEXT: [[TMP11:%.*]] = zext <2 x i16> [[TMP9]] to <2 x i32> ; CHECK-NEXT: [[TMP12:%.*]] = getelementptr i32, ptr [[DST]], i32 [[OFFSET_IDX]] ; CHECK-NEXT: [[TMP13:%.*]] = getelementptr i32, ptr [[TMP12]], i32 2 ; CHECK-NEXT: store <2 x i32> [[TMP10]], ptr [[TMP12]], align 4 ; CHECK-NEXT: store <2 x i32> [[TMP11]], ptr [[TMP13]], align 4 ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4 ; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i16> [[STEP_ADD]], [[TMP6]] ; CHECK-NEXT: [[TMP14:%.*]] = icmp eq i32 [[INDEX_NEXT]], 24 ; CHECK-NEXT: br i1 [[TMP14]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]] ; CHECK: [[MIDDLE_BLOCK]]: ; CHECK-NEXT: br label %[[SCALAR_PH:.*]] ; CHECK: [[SCALAR_PH]]: ; CHECK-NEXT: br label %[[LOOP_3:.*]] ; CHECK: [[LOOP_3]]: ; CHECK-NEXT: [[IV_3:%.*]] = phi i32 [ 32, %[[SCALAR_PH]] ], [ [[IV_3_NEXT:%.*]], %[[LOOP_3]] ] ; CHECK-NEXT: [[SUB_PHI:%.*]] = phi i16 [ [[TMP5]], %[[SCALAR_PH]] ], [ [[SUB:%.*]], %[[LOOP_3]] ] ; CHECK-NEXT: [[SUB]] = sub i16 [[SUB_PHI]], [[REM_TRUNC]] ; CHECK-NEXT: [[SUB_EXT:%.*]] = zext i16 [[SUB]] to i32 ; CHECK-NEXT: [[GEP_DST:%.*]] = getelementptr i32, ptr [[DST]], i32 [[IV_3]] ; CHECK-NEXT: store i32 [[SUB_EXT]], ptr [[GEP_DST]], align 4 ; CHECK-NEXT: [[IV_3_NEXT]] = add nuw nsw i32 [[IV_3]], 1 ; CHECK-NEXT: [[EXITCOND_3:%.*]] = icmp eq i32 [[IV_3_NEXT]], 34 ; CHECK-NEXT: br i1 [[EXITCOND_3]], label %[[LOOP_2_LATCH:.*]], label %[[LOOP_3]], !llvm.loop [[LOOP9:![0-9]+]] ; CHECK: [[LOOP_2_LATCH]]: ; CHECK-NEXT: [[SUB_LCSSA:%.*]] = phi i16 [ [[SUB]], %[[LOOP_3]] ] ; CHECK-NEXT: [[EXITCOND:%.*]] = icmp uge i16 [[SUB_LCSSA]], 200 ; CHECK-NEXT: br i1 [[EXITCOND]], label %[[EXIT_LOOPEXIT:.*]], label %[[LOOP_2_HEADER]] ; CHECK: [[EXIT_LOOPEXIT]]: ; CHECK-NEXT: br label %[[EXIT:.*]] ; CHECK: [[EXIT_LOOPEXIT1]]: ; CHECK-NEXT: br label %[[EXIT]] ; CHECK: [[EXIT]]: ; CHECK-NEXT: ret void ; entry: br label %loop.1 loop.1: %iv.1 = phi i16 [ 1, %entry ], [ %iv.1.next, %loop.1.latch ] %iv.1.next = mul i16 %iv.1, 3 %exitcond.1 = icmp uge i16 %iv.1.next, 99 br i1 %exitcond.1, label %loop.1.latch, label %exit loop.1.latch: %exitcond.2 = icmp eq i16 %iv.1.next, %N br i1 %exitcond.2, label %loop.2.ph, label %loop.1 loop.2.ph: %iv.1.next.lcssa = phi i16 [ %iv.1.next, %loop.1.latch ] %iv.1.next.ext = sext i16 %iv.1.next.lcssa to i64 br label %loop.2.header loop.2.header: %iv.1.rem = urem i64 100, %iv.1.next.ext %rem.trunc = trunc i64 %iv.1.rem to i16 br label %loop.3 loop.3: %iv.3 = phi i32 [ 8, %loop.2.header ], [ %iv.3.next, %loop.3 ] %sub.phi = phi i16 [ 0, %loop.2.header ], [ %sub, %loop.3 ] %sub = sub i16 %sub.phi, %rem.trunc %sub.ext = zext i16 %sub to i32 %gep.dst = getelementptr i32, ptr %dst, i32 %iv.3 store i32 %sub.ext, ptr %gep.dst %iv.3.next= add nuw nsw i32 %iv.3, 1 %exitcond.3 = icmp eq i32 %iv.3.next, 34 br i1 %exitcond.3, label %loop.2.latch, label %loop.3 loop.2.latch: %sub.lcssa = phi i16 [ %sub, %loop.3 ] %exitcond = icmp uge i16 %sub.lcssa, 200 br i1 %exitcond, label %exit, label %loop.2.header exit: ret void } define void @test_expand_secv_in_entry_before_gep(ptr %dst) { ; CHECK-LABEL: define void @test_expand_secv_in_entry_before_gep( ; CHECK-SAME: ptr [[DST:%.*]]) { ; CHECK-NEXT: [[ENTRY:.*]]: ; CHECK-NEXT: br label %[[OUTER_HEADER:.*]] ; CHECK: [[OUTER_HEADER]]: ; CHECK-NEXT: [[OUTER_IV:%.*]] = phi i64 [ 0, %[[ENTRY]] ], [ [[OUTER_IV_NEXT:%.*]], %[[OUTER_LATCH:.*]] ] ; CHECK-NEXT: [[TMP0:%.*]] = mul i64 [[OUTER_IV]], -1 ; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[TMP0]], 112 ; CHECK-NEXT: [[GEP_M:%.*]] = getelementptr [36 x [36 x double]], ptr [[DST]], i64 0, i64 [[OUTER_IV]] ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP1]], 4 ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] ; CHECK: [[VECTOR_PH]]: ; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP1]], 4 ; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP1]], [[N_MOD_VF]] ; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[OUTER_IV]], [[N_VEC]] ; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] ; CHECK: [[VECTOR_BODY]]: ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] ; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 [[OUTER_IV]], [[INDEX]] ; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds double, ptr [[GEP_M]], i64 [[OFFSET_IDX]] ; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds double, ptr [[TMP3]], i32 2 ; CHECK-NEXT: store <2 x double> zeroinitializer, ptr [[TMP3]], align 8 ; CHECK-NEXT: store <2 x double> zeroinitializer, ptr [[TMP4]], align 8 ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 ; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] ; CHECK-NEXT: br i1 [[TMP5]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]] ; CHECK: [[MIDDLE_BLOCK]]: ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP1]], [[N_VEC]] ; CHECK-NEXT: br i1 [[CMP_N]], label %[[OUTER_LATCH]], label %[[SCALAR_PH]] ; CHECK: [[SCALAR_PH]]: ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[TMP2]], %[[MIDDLE_BLOCK]] ], [ [[OUTER_IV]], %[[OUTER_HEADER]] ] ; CHECK-NEXT: br label %[[INNER:.*]] ; CHECK: [[INNER]]: ; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[INNER]] ] ; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds double, ptr [[GEP_M]], i64 [[IV]] ; CHECK-NEXT: store double 0.000000e+00, ptr [[GEP]], align 8 ; CHECK-NEXT: [[IV_NEXT]] = add i64 [[IV]], 1 ; CHECK-NEXT: [[EC:%.*]] = icmp eq i64 [[IV]], 111 ; CHECK-NEXT: br i1 [[EC]], label %[[OUTER_LATCH]], label %[[INNER]], !llvm.loop [[LOOP11:![0-9]+]] ; CHECK: [[OUTER_LATCH]]: ; CHECK-NEXT: [[OUTER_IV_NEXT]] = add i64 [[OUTER_IV]], 1 ; CHECK-NEXT: [[C:%.*]] = call i1 @cond() ; CHECK-NEXT: br i1 [[C]], label %[[OUTER_HEADER]], label %[[EXIT:.*]] ; CHECK: [[EXIT]]: ; CHECK-NEXT: ret void ; entry: br label %outer.header outer.header: %outer.iv = phi i64 [ 0, %entry ], [ %outer.iv.next, %outer.latch ] %gep.m = getelementptr [36 x [36 x double]], ptr %dst, i64 0, i64 %outer.iv br label %inner inner: %iv = phi i64 [ %outer.iv, %outer.header ], [ %iv.next, %inner ] %gep = getelementptr inbounds double, ptr %gep.m, i64 %iv store double 0.00, ptr %gep, align 8 %iv.next = add i64 %iv, 1 %ec = icmp eq i64 %iv, 111 br i1 %ec, label %outer.latch, label %inner outer.latch: %outer.iv.next = add i64 %outer.iv, 1 %c = call i1 @cond() br i1 %c, label %outer.header, label %exit exit: ret void } declare void @cond()