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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2014-01-02 20:01:43 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2014-01-02 20:01:43 +0000 |
| commit | 461c8e0a8cc4cb145a02d785440834975bb56947 (patch) | |
| tree | 572f4a18dab81a5eee5e8701e9a63f1541d0dbe9 /llvm/test/Transforms/GlobalOpt/memset.ll | |
| parent | da1deabb16a64edced99b502e4f20f7681e0110c (diff) | |
| download | bcm5719-llvm-461c8e0a8cc4cb145a02d785440834975bb56947.tar.gz bcm5719-llvm-461c8e0a8cc4cb145a02d785440834975bb56947.zip | |
Delete unread globals through addrspacecast
llvm-svn: 198346
Diffstat (limited to 'llvm/test/Transforms/GlobalOpt/memset.ll')
| -rw-r--r-- | llvm/test/Transforms/GlobalOpt/memset.ll | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/llvm/test/Transforms/GlobalOpt/memset.ll b/llvm/test/Transforms/GlobalOpt/memset.ll index 3bb5ce92d08..85320b7f246 100644 --- a/llvm/test/Transforms/GlobalOpt/memset.ll +++ b/llvm/test/Transforms/GlobalOpt/memset.ll @@ -1,6 +1,8 @@ -; both globals are write only, delete them. +; RUN: opt -S -globalopt < %s | FileCheck %s -; RUN: opt < %s -globalopt -S | not grep internal +; CHECK-NOT: internal + +; Both globals are write only, delete them. @G0 = internal global [58 x i8] c"asdlfkajsdlfkajsd;lfkajds;lfkjasd;flkajsd;lkfja;sdlkfjasd\00" ; <[58 x i8]*> [#uses=1] @G1 = internal global [4 x i32] [ i32 1, i32 2, i32 3, i32 4 ] ; <[4 x i32]*> [#uses=1] @@ -13,6 +15,17 @@ define void @foo() { ret void } -declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind +@G0_as1 = internal addrspace(1) global [58 x i8] c"asdlfkajsdlfkajsd;lfkajds;lfkjasd;flkajsd;lkfja;sdlkfjasd\00" ; <[58 x i8]*> [#uses=1] +@G1_as1 = internal addrspace(1) global [4 x i32] [ i32 1, i32 2, i32 3, i32 4 ] ; <[4 x i32]*> [#uses=1] + +define void @foo_as1() { + %Blah = alloca [58 x i8] + %tmp3 = bitcast [58 x i8]* %Blah to i8* + call void @llvm.memcpy.p0i8.p0i8.i32(i8* addrspacecast ([4 x i32] addrspace(1)* @G1_as1 to i8*), i8* %tmp3, i32 16, i32 1, i1 false) + call void @llvm.memset.p1i8.i32(i8 addrspace(1)* getelementptr inbounds ([58 x i8] addrspace(1)* @G0_as1, i32 0, i32 0), i8 17, i32 58, i32 1, i1 false) + ret void +} +declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) nounwind +declare void @llvm.memset.p1i8.i32(i8 addrspace(1)* nocapture, i8, i32, i32, i1) nounwind
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