maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[NFC] Precommit test showing SROA loses `!tbaa.struct` metadata 

This issue impacts llvm.org/pr42022
This commit is contained in:
Anton Afanasyev 2019-12-02 10:07:55 +03:00
parent 497a754ade
commit bd23859f39
1 changed files with 32 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
llvm/test/Transforms/SROA/tbaa-struct.ll Normal file
View File

@ -0,0 +1,32 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -sroa %s | FileCheck %s
; SROA should keep `!tbaa.struct` metadata
%vector = type { float, float }
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* writeonly, i8* readonly, i64, i1 immarg)
declare <2 x float> @foo(%vector* %0)
define void @bar(%vector* %y2) {
; CHECK-LABEL: @bar(
; CHECK-NEXT: [[X14:%.*]] = call <2 x float> @foo(%vector* [[Y2:%.*]])
; CHECK-NEXT: [[X7_SROA_0_0_X18_SROA_CAST:%.*]] = bitcast %vector* [[Y2]] to <2 x float>*
; CHECK-NEXT: store <2 x float> [[X14]], <2 x float>* [[X7_SROA_0_0_X18_SROA_CAST]], align 4
; CHECK-NEXT: ret void
;
%x7 = alloca %vector
%x14 = call <2 x float> @foo(%vector* %y2)
%x15 = bitcast %vector* %x7 to <2 x float>*
store <2 x float> %x14, <2 x float>* %x15
%x19 = bitcast %vector* %x7 to i8*
%x18 = bitcast %vector* %y2 to i8*
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %x18, i8* align 4 %x19, i64 8, i1 false), !tbaa.struct !10
ret void
}
!4 = !{!"omnipotent char", !5, i64 0}
!5 = !{!"Simple C++ TBAA"}
!7 = !{!"vector", !8, i64 0, !8, i64 4}
!8 = !{!"float", !4, i64 0}
!10 = !{i64 0, i64 4, !11, i64 4, i64 4, !11}
!11 = !{!8, !8, i64 0}