diff options
Diffstat (limited to 'llvm/test/Transforms/InstSimplify/2010-12-20-Distribute.ll')
| -rw-r--r-- | llvm/test/Transforms/InstSimplify/2010-12-20-Distribute.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstSimplify/2010-12-20-Distribute.ll b/llvm/test/Transforms/InstSimplify/2010-12-20-Distribute.ll index 60cef484469..d20abd68c20 100644 --- a/llvm/test/Transforms/InstSimplify/2010-12-20-Distribute.ll +++ b/llvm/test/Transforms/InstSimplify/2010-12-20-Distribute.ll @@ -31,6 +31,26 @@ define i32 @factorize3(i32 %x, i32 %a, i32 %b) { ; CHECK: ret i32 %r } +define i32 @factorize4(i32 %x, i32 %y) { +; CHECK: @factorize4 + %sh = shl i32 %y, 1 + %ml = mul i32 %sh, %x + %mr = mul i32 %x, %y + %s = sub i32 %ml, %mr + ret i32 %s +; CHECK: ret i32 %mr +} + +define i32 @factorize5(i32 %x, i32 %y) { +; CHECK: @factorize5 + %sh = mul i32 %y, 2 + %ml = mul i32 %sh, %x + %mr = mul i32 %x, %y + %s = sub i32 %ml, %mr + ret i32 %s +; CHECK: ret i32 %mr +} + define i32 @expand(i32 %x) { ; CHECK: @expand ; ((X & 1) | 2) & 1 -> ((X & 1) & 1) | (2 & 1) -> (X & 1) | 0 -> X & 1 |
