| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py | |
| ; RUN: opt < %s -instcombine -S | FileCheck %s | |
| define i1 @PR2539_A(i1 %A) { | |
| ; CHECK-LABEL: @PR2539_A( | |
| ; CHECK-NEXT: [[C:%.*]] = xor i1 %A, true | |
| ; CHECK-NEXT: ret i1 [[C]] | |
| ; | |
| %B = zext i1 %A to i32 | |
| %C = icmp slt i32 %B, 1 | |
| ret i1 %C | |
| } | |
| define i1 @PR2539_B(i1 zeroext %b) { | |
| ; CHECK-LABEL: @PR2539_B( | |
| ; CHECK-NEXT: ret i1 false | |
| ; | |
| %cmp = icmp slt i1 %b, true | |
| ret i1 %cmp | |
| } | |