llvm-6502/test/Bitcode/upgrade-tbaa.ll
Manman Ren 804f034bd1 AutoUpgrade: upgrade from scalar TBAA format to struct-path aware TBAA format.
We treat TBAA tags as struct-path aware TBAA format when the first operand
is a MDNode and the tag has 3 or more operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191593 91177308-0d34-0410-b5e6-96231b3b80d8
2013-09-28 00:22:27 +00:00

24 lines
1.2 KiB
LLVM

; RUN: llvm-as < %s | llvm-dis | FileCheck %s
; Function Attrs: nounwind
define void @_Z4testPiPf(i32* nocapture %pI, float* nocapture %pF) #0 {
entry:
store i32 0, i32* %pI, align 4, !tbaa !{metadata !"int", metadata !0}
; CHECK: store i32 0, i32* %pI, align 4, !tbaa [[TAG_INT:!.*]]
store float 1.000000e+00, float* %pF, align 4, !tbaa !2
; CHECK: store float 1.000000e+00, float* %pF, align 4, !tbaa [[TAG_FLOAT:!.*]]
ret void
}
attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
!0 = metadata !{metadata !"omnipotent char", metadata !1}
!1 = metadata !{metadata !"Simple C/C++ TBAA"}
!2 = metadata !{metadata !"float", metadata !0}
; CHECK: [[TAG_INT]] = metadata !{metadata [[TYPE_INT:!.*]], metadata [[TYPE_INT]], i64 0}
; CHECK: [[TYPE_INT]] = metadata !{metadata !"int", metadata [[TYPE_CHAR:!.*]]}
; CHECK: [[TYPE_CHAR]] = metadata !{metadata !"omnipotent char", metadata !{{.*}}
; CHECK: [[TAG_FLOAT]] = metadata !{metadata [[TYPE_FLOAT:!.*]], metadata [[TYPE_FLOAT]], i64 0}
; CHECK: [[TYPE_FLOAT]] = metadata !{metadata !"float", metadata [[TYPE_CHAR]]}