diff options
| -rw-r--r-- | test/Transforms/InstCombine/shift.ll | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/test/Transforms/InstCombine/shift.ll b/test/Transforms/InstCombine/shift.ll index 2def834..6a496d3 100644 --- a/test/Transforms/InstCombine/shift.ll +++ b/test/Transforms/InstCombine/shift.ll @@ -63,9 +63,20 @@ ubyte %test10(ubyte %A) { ;; (A >> 7) << 7 === A & 128 ret ubyte %C } -ubyte %test11(ubyte %A) { ;; (A >> 3) << 4 == (A & 0x1F) << 1 +ubyte %test11(ubyte %A) { ;; (A >> 3) << 4 === (A & 0x1F) << 1 %B = shr ubyte %A, ubyte 3 %C = shl ubyte %B, ubyte 4 ret ubyte %C } +int %test12(int %A) { + %B = shr int %A, ubyte 8 ;; (A >> 8) << 8 === A & -256 + %C = shl int %B, ubyte 8 + ret int %C +} + +sbyte %test13(sbyte %A) { ;; (A >> 3) << 4 === (A & -8) * 2 + %B = shr sbyte %A, ubyte 3 + %C = shl sbyte %B, ubyte 4 + ret sbyte %C +} |