diff options
Diffstat (limited to 'test/Transforms/InstCombine/cast.ll')
| -rw-r--r-- | test/Transforms/InstCombine/cast.ll | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/cast.ll b/test/Transforms/InstCombine/cast.ll index a6c6795e84..10e5050125 100644 --- a/test/Transforms/InstCombine/cast.ll +++ b/test/Transforms/InstCombine/cast.ll @@ -381,3 +381,14 @@ define i32 @test42(i32 %X) { ; CHECK: %Z = and i32 %X, 255 } +; rdar://6598839 +define zeroext i64 @test43(i8 zeroext %on_off) nounwind readonly { + %A = zext i8 %on_off to i32 + %B = add i32 %A, -1 + %C = sext i32 %B to i64 + ret i64 %C ;; Should be (add (zext i8 -> i64), -1) +; CHECK: @test43 +; CHECK-NEXT: %A = zext i8 %on_off to i64 +; CHECK-NEXT: %B = add i64 %A, -1 +; CHECK-NEXT: ret i64 %B +} |