Mercurial > hg > CbC > CbC_llvm
diff test/Analysis/BasicAA/memset_pattern.ll @ 0:95c75e76d11b LLVM3.4
LLVM 3.4
| author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Thu, 12 Dec 2013 13:56:28 +0900 |
| parents | |
| children | afa8332a0e37 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/Analysis/BasicAA/memset_pattern.ll Thu Dec 12 13:56:28 2013 +0900 @@ -0,0 +1,21 @@ +; RUN: opt -S -basicaa -gvn < %s | FileCheck %s +; PR10872 +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" +target triple = "x86_64-apple-macosx10.7" + +@z = internal global i32 0, align 4 +@y = internal global i32 0, align 4 +@x = internal constant i32 0, align 4 + +; CHECK: @test +define i32 @test() nounwind uwtable ssp { +entry: + store i32 1, i32* @z + tail call void @memset_pattern16(i8* bitcast (i32* @y to i8*), i8* bitcast (i32* @x to i8*), i64 4) nounwind +; CHECK-NOT: load + %l = load i32* @z +; CHECK: ret i32 1 + ret i32 %l +} + +declare void @memset_pattern16(i8*, i8*, i64)