diff options
| -rw-r--r-- | test/Transforms/InstCombine/shift-simplify.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/shift-simplify.ll b/test/Transforms/InstCombine/shift-simplify.ll new file mode 100644 index 0000000000..b91637f7c4 --- /dev/null +++ b/test/Transforms/InstCombine/shift-simplify.ll @@ -0,0 +1,22 @@ +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | egrep 'shl|lshr|ashr' | wc -l | grep 3 + +int %test0(int %A, int %B, ubyte %C) { + %X = shl int %A, ubyte %C + %Y = shl int %B, ubyte %C + %Z = and int %X, %Y + ret int %Z +} + +int %test1(int %A, int %B, ubyte %C) { + %X = lshr int %A, ubyte %C + %Y = lshr int %B, ubyte %C + %Z = or int %X, %Y + ret int %Z +} + +int %test2(int %A, int %B, ubyte %C) { + %X = ashr int %A, ubyte %C + %Y = ashr int %B, ubyte %C + %Z = xor int %X, %Y + ret int %Z +} |