diff options
| -rw-r--r-- | test/Transforms/InstCombine/cast-cast-to-and.ll | 8 | ||||
| -rw-r--r-- | test/Transforms/InstCombine/zeroext-and-reduce.ll | 8 |
2 files changed, 16 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/cast-cast-to-and.ll b/test/Transforms/InstCombine/cast-cast-to-and.ll new file mode 100644 index 0000000000..0491de9349 --- /dev/null +++ b/test/Transforms/InstCombine/cast-cast-to-and.ll @@ -0,0 +1,8 @@ +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep ubyte + +int %test1(uint %X) { + %Y = cast uint %X to ubyte ;; Turn into an AND + %Z = cast ubyte %Y to int + ret int %Z +} + diff --git a/test/Transforms/InstCombine/zeroext-and-reduce.ll b/test/Transforms/InstCombine/zeroext-and-reduce.ll new file mode 100644 index 0000000000..6c794a3e3f --- /dev/null +++ b/test/Transforms/InstCombine/zeroext-and-reduce.ll @@ -0,0 +1,8 @@ +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep 'and int %Y, 8' + +int %test1(ubyte %X) { + %Y = cast ubyte %X to int + %Z = and int %Y, 65544 ;; Prune this to and Y, 8 + ret int %Z +} + |