59 lines
2.3 KiB
LLVM
59 lines
2.3 KiB
LLVM
; RUN: opt < %s -scev-aa -loop-vectorize -print-alias-sets -S -o - 2>&1 | FileCheck %s
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
|
|
; PR25281
|
|
; Just check that we don't crash on this test.
|
|
; CHECK-LABEL: @foo
|
|
define void @foo(float** noalias nocapture readonly %in, i32* noalias nocapture readonly %isCompressed, float* noalias nocapture readonly %out) {
|
|
entry_block:
|
|
%tmp = getelementptr float*, float** %in, i32 0
|
|
%in_0 = load float*, float** %tmp, !alias.scope !0
|
|
%tmp1 = getelementptr i32, i32* %isCompressed, i32 0
|
|
%isCompressed_0 = load i32, i32* %tmp1, !alias.scope !1
|
|
%tmp2 = getelementptr float*, float** %in, i32 1
|
|
%in_1 = load float*, float** %tmp2, !alias.scope !2
|
|
%tmp3 = getelementptr i32, i32* %isCompressed, i32 1
|
|
%isCompressed_1 = load i32, i32* %tmp3, !alias.scope !3
|
|
br label %for_each_frames
|
|
|
|
for_each_frames:
|
|
%frameIndex = phi i32 [ 0, %entry_block ], [ %nextFrameIndex, %for_each_frames_end ]
|
|
%nextFrameIndex = add nuw nsw i32 %frameIndex, 2
|
|
br label %for_each_channel
|
|
|
|
for_each_channel:
|
|
%channelIndex = phi i32 [ 0, %for_each_frames ], [ %nextChannelIndex, %for_each_channel ]
|
|
%nextChannelIndex = add nuw nsw i32 %channelIndex, 1
|
|
%tmp4 = add i32 %frameIndex, %channelIndex
|
|
%tmp5 = xor i32 %isCompressed_0, 1
|
|
%tmp6 = mul i32 %frameIndex, %tmp5
|
|
%offset0 = add i32 %tmp6, %channelIndex
|
|
%tmp7 = getelementptr float, float* %in_0, i32 %offset0
|
|
%in_0_index = load float, float* %tmp7, align 4, !alias.scope !4
|
|
%tmp8 = xor i32 %isCompressed_1, 1
|
|
%tmp9 = mul i32 %frameIndex, %tmp8
|
|
%offset1 = add i32 %tmp9, %channelIndex
|
|
%tmp10 = getelementptr float, float* %in_1, i32 %offset1
|
|
%in_1_index = load float, float* %tmp10, align 4, !alias.scope !5
|
|
%tmp11 = fadd float %in_0_index, %in_1_index
|
|
%tmp12 = getelementptr float, float* %out, i32 %tmp4
|
|
store float %tmp11, float* %tmp12, align 4, !alias.noalias !6
|
|
%tmp13 = icmp eq i32 %nextChannelIndex, 2
|
|
br i1 %tmp13, label %for_each_frames_end, label %for_each_channel
|
|
|
|
for_each_frames_end:
|
|
%tmp14 = icmp eq i32 %nextFrameIndex, 512
|
|
br i1 %tmp14, label %return, label %for_each_frames
|
|
|
|
return:
|
|
ret void
|
|
}
|
|
|
|
!0 = distinct !{!0}
|
|
!1 = distinct !{!1, !0}
|
|
!2 = distinct !{!2, !0}
|
|
!3 = distinct !{!3, !0}
|
|
!4 = distinct !{!4, !0}
|
|
!5 = distinct !{!5, !0}
|
|
!6 = !{!2, !3, !4, !5, !1}
|