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| author | Reid Spencer <rspencer@reidspencer.com> | 2007-03-23 20:48:34 +0000 |
|---|---|---|
| committer | Reid Spencer <rspencer@reidspencer.com> | 2007-03-23 20:48:34 +0000 |
| commit | 5d787bb93e08f0536b1b7b9d53af958508c29de2 (patch) | |
| tree | e4cdd2fd607fa3c880ec543506109e5de59b51a2 /test/Transforms/InstCombine/apint-mul2.ll | |
| parent | bca0e38baaee03ef1d6d9c54941cb1f7741c1d9b (diff) | |
| download | llvm-5d787bb93e08f0536b1b7b9d53af958508c29de2.tar.gz llvm-5d787bb93e08f0536b1b7b9d53af958508c29de2.tar.bz2 llvm-5d787bb93e08f0536b1b7b9d53af958508c29de2.tar.xz | |
Add test case for testing InstCombine with arbitrary precision integer
types. These tests mimic the integer test cases in the normal InstCombine
test suite but use "strange" integer bit widths.
Most tests written by Zhou Sheng, a few by me.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35284 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/InstCombine/apint-mul2.ll')
| -rw-r--r-- | test/Transforms/InstCombine/apint-mul2.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/apint-mul2.ll b/test/Transforms/InstCombine/apint-mul2.ll new file mode 100644 index 0000000000..16518bb44e --- /dev/null +++ b/test/Transforms/InstCombine/apint-mul2.ll @@ -0,0 +1,13 @@ +; This test makes sure that mul instructions are properly eliminated. +; This test is for Integer BitWidth >= 64 && BitWidth % 2 >= 1024. +; + +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep mul + +implementation + +define i177 @test1(i177 %X) { + %C = shl i177 1, 155 + %Y = mul i177 %X, %C + ret i177 %Y +} |