diff options
| -rw-r--r-- | test/Transforms/InstCombine/and.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/and.ll b/test/Transforms/InstCombine/and.ll index 703dea3326..ba30d816df 100644 --- a/test/Transforms/InstCombine/and.ll +++ b/test/Transforms/InstCombine/and.ll @@ -119,3 +119,20 @@ bool %test18(int %A) { ret bool %C } +int %test19(int %A) { + %B = shl int %A, ubyte 3 + %C = and int %B, -2 ;; Clearing a zero bit + ret int %C +} + +ubyte %test20(ubyte %A) { + %C = shr ubyte %A, ubyte 7 + %D = and ubyte %C, 1 ;; Unneeded + ret ubyte %D +} + +sbyte %test21(sbyte %A) { + %C = shr sbyte %A, ubyte 7 ;; sign extend + %D = and sbyte %C, 1 ;; chop off sign + ret sbyte %D +} |