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| author | Chris Lattner <sabre@nondot.org> | 2005-02-27 18:48:19 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-02-27 18:48:19 +0000 |
| commit | a1079acb0a4c1696222cd4773ef195fd2e71d653 (patch) | |
| tree | f10100292389d64cece97fd7577ec105e1aca418 /llvm | |
| parent | 19d4ab642f3b7ea63f0adc9409f3888be125e5eb (diff) | |
| download | llvm-a1079acb0a4c1696222cd4773ef195fd2e71d653.zip llvm-a1079acb0a4c1696222cd4773ef195fd2e71d653.tar.gz llvm-a1079acb0a4c1696222cd4773ef195fd2e71d653.tar.bz2 | |
new testcase globalopt should handle.
llvm-svn: 20351
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/test/Regression/Transforms/GlobalOpt/memset.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/llvm/test/Regression/Transforms/GlobalOpt/memset.ll b/llvm/test/Regression/Transforms/GlobalOpt/memset.ll new file mode 100644 index 0000000..442af98 --- /dev/null +++ b/llvm/test/Regression/Transforms/GlobalOpt/memset.ll @@ -0,0 +1,21 @@ +; RUN: llvm-as < %s | opt -globalopt | llvm-dis | not grep internal +; both globals are write only, delete them. + +%G0 = internal global [58 x sbyte] c"asdlfkajsdlfkajsd;lfkajds;lfkjasd;flkajsd;lkfja;sdlkfjasd\00" + +%G1 = internal global [4 x int] [ int 1, int 2, int 3, int 4] + +implementation ; Functions: + +declare void %llvm.memcpy(sbyte*, sbyte*, uint, uint) +declare void %llvm.memset(sbyte*, ubyte, uint, uint) + +void %foo() { + %Blah = alloca [58 x sbyte] ; <[58 x sbyte]*> [#uses=2] + %tmp3 = cast [58 x sbyte]* %Blah to sbyte* + call void %llvm.memcpy( sbyte* cast ([4 x int]* %G1 to sbyte*), sbyte* %tmp3, uint 16, uint 1) + call void %llvm.memset( sbyte* getelementptr ([58 x sbyte]* %G0, int 0, int 0), ubyte 17, uint 58, uint 1) + ret void +} + + |