llvm/test/Transforms/SROA/tbaa-struct.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals
; RUN: opt -S -passes='sroa<preserve-cfg>' %s | FileCheck %s --check-prefixes=CHECK,CHECK-PRESERVE-CFG
; RUN: opt -S -passes='sroa<modify-cfg>' %s | FileCheck %s --check-prefixes=CHECK,CHECK-MODIFY-CFG

; SROA should keep `!tbaa.struct` metadata

%vector = type { float, float }
declare void @llvm.memcpy.p0.p0.i64(ptr writeonly, ptr readonly, i64, i1 immarg)
declare <2 x float> @foo(ptr %0)

define void @bar(ptr %y2) {
; CHECK-LABEL: @bar(
; CHECK-NEXT:    [[X14:%.*]] = call <2 x float> @foo(ptr [[Y2:%.*]])
; CHECK-NEXT:    store <2 x float> [[X14]], ptr [[Y2]], align 4, !tbaa.struct [[TBAA_STRUCT0:![0-9]+]]
; CHECK-NEXT:    ret void
;
  %x7 = alloca %vector
  %x14 = call <2 x float> @foo(ptr %y2)
  store <2 x float> %x14, ptr %x7
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %y2, ptr align 4 %x7, 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}
;.
; CHECK: attributes #[[ATTR0:[0-9]+]] = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
;.
; CHECK: [[TBAA_STRUCT0]] = !{i64 0, i64 4, !1, i64 4, i64 4, !1}
; CHECK: [[META1:![0-9]+]] = !{!2, !2, i64 0}
; CHECK: [[META2:![0-9]+]] = !{!"float", !3, i64 0}
; CHECK: [[META3:![0-9]+]] = !{!"omnipotent char", !4, i64 0}
; CHECK: [[META4:![0-9]+]] = !{!"Simple C++ TBAA"}
;.
;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
; CHECK-MODIFY-CFG: {{.*}}
; CHECK-PRESERVE-CFG: {{.*}}