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PR10628: Fix getModRefInfo so it queries the underlying alias() implementation correctly while checking nocapture calls.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140666 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman
2011-09-28 00:34:27 +00:00
parent 56ab875e55
commit e6fadced87
2 changed files with 17 additions and 2 deletions
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17
test/Analysis/BasicAA/modref.ll
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@@ -129,8 +129,23 @@ define i8 @test6(i8* %p, i8* noalias %a) {
; CHECK: ret
}
; PR10628
declare void @test7decl(i32* nocapture %x)
define i32 @test7() nounwind uwtable ssp {
entry:
%x = alloca i32, align 4
store i32 0, i32* %x, align 4
%add.ptr = getelementptr inbounds i32* %x, i64 1
call void @test7decl(i32* %add.ptr)
%tmp = load i32* %x, align 4
ret i32 %tmp
; CHECK: @test7(
; CHECK: store i32 0
; CHECK: call void @test7decl
; CHECK: load i32*
}
declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) nounwind
declare void @llvm.memset.p0i8.i8(i8* nocapture, i8, i8, i32, i1) nounwind
declare void @llvm.memcpy.p0i8.p0i8.i8(i8* nocapture, i8* nocapture, i8, i32, i1) nounwind
declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind