diff options
| -rw-r--r-- | llvm/test/Regression/Transforms/InstCombine/mul.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/llvm/test/Regression/Transforms/InstCombine/mul.ll b/llvm/test/Regression/Transforms/InstCombine/mul.ll new file mode 100644 index 00000000000..077184cac2b --- /dev/null +++ b/llvm/test/Regression/Transforms/InstCombine/mul.ll @@ -0,0 +1,28 @@ +; This test makes sure that mul instructions are properly eliminated. +; + +; RUN: if as < %s | opt -instcombine -dce | dis | grep mul +; RUN: then exit 1 +; RUN: else exit 0 +; RUN: fi + +implementation + +int "test1"(int %A) +begin + %B = mul int %A, 1 + ret int %B +end + +int "test2"(int %A) +begin + %B = mul int %A, 2 ; Should convert to an add instruction + ret int %B +end + +int "test3"(int %A) +begin + %B = mul int %A, 0 ; This should disappear entirely + ret int %B +end + |
