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| author | Dan Gohman <djg@cray.com> | 2007-07-18 16:29:46 +0000 |
|---|---|---|
| committer | Dan Gohman <djg@cray.com> | 2007-07-18 16:29:46 +0000 |
| commit | f17a25c88b892d30c2b41ba7ecdfbdfb2b4be9cc (patch) | |
| tree | ebb79ea1ee5e3bc1fdf38541a811a8b804f0679a /test/Transforms/SimplifyLibCalls/MemSet.ll | |
| download | external_llvm-f17a25c88b892d30c2b41ba7ecdfbdfb2b4be9cc.zip external_llvm-f17a25c88b892d30c2b41ba7ecdfbdfb2b4be9cc.tar.gz external_llvm-f17a25c88b892d30c2b41ba7ecdfbdfb2b4be9cc.tar.bz2 | |
It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/SimplifyLibCalls/MemSet.ll')
| -rw-r--r-- | test/Transforms/SimplifyLibCalls/MemSet.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyLibCalls/MemSet.ll b/test/Transforms/SimplifyLibCalls/MemSet.ll new file mode 100644 index 0000000..dbeef9d --- /dev/null +++ b/test/Transforms/SimplifyLibCalls/MemSet.ll @@ -0,0 +1,19 @@ +; Test that the LLVMMemSetOptimizer works correctly +; RUN: llvm-upgrade < %s | llvm-as | opt -simplify-libcalls | llvm-dis | \ +; RUN: not grep {call.*llvm.memset} +; END. + +declare void %llvm.memset.i32(sbyte*,ubyte,uint,uint) + +implementation ; Functions: + +int %main () { + %target = alloca [1024 x sbyte] + %target_p = getelementptr [1024 x sbyte]* %target, int 0, int 0 + call void %llvm.memset.i32(sbyte* %target_p, ubyte 1, uint 0, uint 1) + call void %llvm.memset.i32(sbyte* %target_p, ubyte 1, uint 1, uint 1) + call void %llvm.memset.i32(sbyte* %target_p, ubyte 1, uint 2, uint 2) + call void %llvm.memset.i32(sbyte* %target_p, ubyte 1, uint 4, uint 4) + call void %llvm.memset.i32(sbyte* %target_p, ubyte 1, uint 8, uint 8) + ret int 0 +} |