| 12345678910111213141516171819202122232425 |
- ; This is a basic sanity check for constant propagation. It tests the basic
- ; logic operations.
- ; RUN: opt < %s -sccp -S | not grep and
- ; RUN: opt < %s -sccp -S | not grep trunc
- ; RUN: opt < %s -sccp -S | grep "ret i100 -1"
- define i100 @test(i133 %A) {
- %B = and i133 0, %A
- %C = icmp sgt i133 %B, 0
- br i1 %C, label %BB1, label %BB2
- BB1:
- %t3 = xor i133 %B, -1
- %t4 = trunc i133 %t3 to i100
- br label %BB3
- BB2:
- %f1 = or i133 -1, %A
- %f2 = lshr i133 %f1, 33
- %f3 = trunc i133 %f2 to i100
- br label %BB3
- BB3:
- %Ret = phi i100 [%t4, %BB1], [%f3, %BB2]
- ret i100 %Ret
- }
|