; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5 ; RUN: opt -S -passes=loop-vectorize,instcombine -force-vector-width=4 -force-vector-interleave=1 -enable-interleaved-mem-accesses=true < %s | FileCheck %s target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" ; Check that the interleaved-mem-access analysis currently does not create an ; interleave group for the access to array 'in' due to the possibly wrapping ; unsigned 'out_ix' index. ; ; In this test the interleave-group of the loads is not full (has gaps), so ; the wrapping checks are necessary. Here this cannot be done statically so ; runtime checks are needed, but with Assume=false getPtrStride cannot add ; runtime checks and as a result we can't create the interleave-group. ; ; #include ; void test(ptr __restrict__ out, ptr __restrict__ in, size_t size) ; { ; for (size_t out_offset = 0; out_offset < size; ++out_offset) ; { ; float t0 = in[2*out_offset]; ; out[out_offset] = t0; ; } ; } define void @_Z4testPfS_m(ptr noalias nocapture %out, ptr noalias nocapture readonly %in, i64 %size) local_unnamed_addr { ; CHECK-LABEL: define void @_Z4testPfS_m( ; CHECK-SAME: ptr noalias captures(none) [[OUT:%.*]], ptr noalias readonly captures(none) [[IN:%.*]], i64 [[SIZE:%.*]]) local_unnamed_addr { ; CHECK-NEXT: [[ENTRY:.*:]] ; CHECK-NEXT: [[CMP7:%.*]] = icmp eq i64 [[SIZE]], 0 ; CHECK-NEXT: br i1 [[CMP7]], label %[[FOR_COND_CLEANUP:.*]], label %[[FOR_BODY_PREHEADER:.*]] ; CHECK: [[FOR_BODY_PREHEADER]]: ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SIZE]], 5 ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] ; CHECK: [[VECTOR_PH]]: ; CHECK-NEXT: [[N_MOD_VF:%.*]] = and i64 [[SIZE]], 3 ; CHECK-NEXT: [[TMP0:%.*]] = icmp eq i64 [[N_MOD_VF]], 0 ; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[TMP0]], i64 4, i64 [[N_MOD_VF]] ; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[SIZE]], [[TMP1]] ; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] ; CHECK: [[VECTOR_BODY]]: ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] ; CHECK-NEXT: [[DOTIDX:%.*]] = shl i64 [[INDEX]], 3 ; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i8, ptr [[IN]], i64 [[DOTIDX]] ; CHECK-NEXT: [[WIDE_VEC:%.*]] = load <8 x i32>, ptr [[TMP2]], align 4 ; CHECK-NEXT: [[STRIDED_VEC:%.*]] = shufflevector <8 x i32> [[WIDE_VEC]], <8 x i32> poison, <4 x i32> ; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds float, ptr [[OUT]], i64 [[INDEX]] ; CHECK-NEXT: store <4 x i32> [[STRIDED_VEC]], ptr [[TMP3]], align 4 ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 ; CHECK-NEXT: [[TMP4:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] ; CHECK-NEXT: br i1 [[TMP4]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] ; CHECK: [[MIDDLE_BLOCK]]: ; CHECK-NEXT: br label %[[SCALAR_PH]] ; CHECK: [[SCALAR_PH]]: ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[FOR_BODY_PREHEADER]] ] ; CHECK-NEXT: br label %[[FOR_BODY:.*]] ; CHECK: [[FOR_COND_CLEANUP_LOOPEXIT:.*]]: ; CHECK-NEXT: br label %[[FOR_COND_CLEANUP]] ; CHECK: [[FOR_COND_CLEANUP]]: ; CHECK-NEXT: ret void ; CHECK: [[FOR_BODY]]: ; CHECK-NEXT: [[OUT_OFFSET_08:%.*]] = phi i64 [ [[INC:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ] ; CHECK-NEXT: [[ARRAYIDX_IDX:%.*]] = shl i64 [[OUT_OFFSET_08]], 3 ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, ptr [[IN]], i64 [[ARRAYIDX_IDX]] ; CHECK-NEXT: [[TMP5:%.*]] = load i32, ptr [[ARRAYIDX]], align 4 ; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds float, ptr [[OUT]], i64 [[OUT_OFFSET_08]] ; CHECK-NEXT: store i32 [[TMP5]], ptr [[ARRAYIDX1]], align 4 ; CHECK-NEXT: [[INC]] = add nuw i64 [[OUT_OFFSET_08]], 1 ; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INC]], [[SIZE]] ; CHECK-NEXT: br i1 [[EXITCOND]], label %[[FOR_COND_CLEANUP_LOOPEXIT]], label %[[FOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]] ; entry: %cmp7 = icmp eq i64 %size, 0 br i1 %cmp7, label %for.cond.cleanup, label %for.body.preheader for.body.preheader: br label %for.body for.cond.cleanup.loopexit: br label %for.cond.cleanup for.cond.cleanup: ret void for.body: %out_offset.08 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ] %mul = shl i64 %out_offset.08, 1 %arrayidx = getelementptr inbounds float, ptr %in, i64 %mul %0 = load i32, ptr %arrayidx, align 4 %arrayidx1 = getelementptr inbounds float, ptr %out, i64 %out_offset.08 store i32 %0, ptr %arrayidx1, align 4 %inc = add nuw i64 %out_offset.08, 1 %exitcond = icmp eq i64 %inc, %size br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body } ;. ; CHECK: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]]} ; CHECK: [[META1]] = !{!"llvm.loop.isvectorized", i32 1} ; CHECK: [[META2]] = !{!"llvm.loop.unroll.runtime.disable"} ; CHECK: [[LOOP3]] = distinct !{[[LOOP3]], [[META2]], [[META1]]} ;.