diff options
Diffstat (limited to 'test/Transforms/InstCombine/2008-01-21-MulTrunc.ll')
| -rw-r--r-- | test/Transforms/InstCombine/2008-01-21-MulTrunc.ll | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/2008-01-21-MulTrunc.ll b/test/Transforms/InstCombine/2008-01-21-MulTrunc.ll new file mode 100644 index 000000000000..8de0959bf754 --- /dev/null +++ b/test/Transforms/InstCombine/2008-01-21-MulTrunc.ll @@ -0,0 +1,11 @@ +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | notcast + +define i16 @test1(i16 %a) { + %tmp = zext i16 %a to i32 ; <i32> [#uses=2] + %tmp21 = lshr i32 %tmp, 8 ; <i32> [#uses=1] + %tmp5 = mul i32 %tmp, 5 ; <i32> [#uses=1] + %tmp.upgrd.32 = or i32 %tmp21, %tmp5 ; <i32> [#uses=1] + %tmp.upgrd.3 = trunc i32 %tmp.upgrd.32 to i16 ; <i16> [#uses=1] + ret i16 %tmp.upgrd.3 +} + |