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| author | Chris Lattner <sabre@nondot.org> | 2006-03-01 03:43:38 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-03-01 03:43:38 +0000 |
| commit | cf6a9fbd9b15aa218116577726a91501727a17a1 (patch) | |
| tree | 3329b6ba987b0830497bc95f17a5ec871d34106b /test/CodeGen/X86 | |
| parent | d30bf01e9064a668eaa896a3e9c79d8f0290b6a7 (diff) | |
| download | external_llvm-cf6a9fbd9b15aa218116577726a91501727a17a1.zip external_llvm-cf6a9fbd9b15aa218116577726a91501727a17a1.tar.gz external_llvm-cf6a9fbd9b15aa218116577726a91501727a17a1.tar.bz2 | |
new testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26439 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86')
| -rw-r--r-- | test/CodeGen/X86/mul-shift-reassoc.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/CodeGen/X86/mul-shift-reassoc.ll b/test/CodeGen/X86/mul-shift-reassoc.ll new file mode 100644 index 0000000..f870f7a --- /dev/null +++ b/test/CodeGen/X86/mul-shift-reassoc.ll @@ -0,0 +1,12 @@ +; RUN: llvm-as < %s | llc -march=x86 | grep lea +; RUN: llvm-as < %s | llc -march=x86 | not grep add + +int %test(int %X, int %Y) { + ; Push the shl through the mul to allow an LEA to be formed, instead + ; of using a shift and add separately. + %tmp.2 = shl int %X, ubyte 1 + %tmp.3 = mul int %tmp.2, %Y + %tmp.5 = add int %tmp.3, %Y + ret int %tmp.5 +} + |