diff options
Diffstat (limited to 'test/Transforms/InstSimplify/compare.ll')
| -rw-r--r-- | test/Transforms/InstSimplify/compare.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/Transforms/InstSimplify/compare.ll b/test/Transforms/InstSimplify/compare.ll index 75a36b499e..d2c564f567 100644 --- a/test/Transforms/InstSimplify/compare.ll +++ b/test/Transforms/InstSimplify/compare.ll @@ -271,6 +271,29 @@ define i1 @srem2(i16 %X, i32 %Y) { %D = icmp slt i32 %C, 0 ret i1 %D } + +; CHECK: @srem3 +; CHECK-NEXT: ret i1 false +define i1 @srem3(i16 %X, i32 %Y) { + %A = zext i16 %X to i32 + %B = or i32 2147483648, %A + %C = sub nsw i32 1, %B + %D = srem i32 %C, %Y + %E = icmp slt i32 %D, 0 + ret i1 %E +} + +; CHECK: @srem4 +; CHECK-NEXT: ret i1 false +define i1 @srem4(i16 %X, i32 %Y) { + %A = zext i16 %X to i32 + %B = or i32 2147483648, %A + %C = sub nsw i32 %A, %B + %D = srem i32 %C, %Y + %E = icmp slt i32 %D, 0 + ret i1 %E +} + define i1 @udiv1(i32 %X) { ; CHECK: @udiv1 %A = udiv i32 %X, 1000000 |