| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-- -mcpu=corei7-avx | FileCheck %s |
| |
| ; testb should be scheduled right before je to enable macro-fusion. |
| |
| define i32 @check_flag(i32 %flags, ...) nounwind { |
| ; CHECK-LABEL: check_flag: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: xorl %eax, %eax |
| ; CHECK-NEXT: testl $512, %edi # imm = 0x200 |
| ; CHECK-NEXT: je .LBB0_2 |
| ; CHECK-NEXT: # %bb.1: # %if.then |
| ; CHECK-NEXT: movl $1, %eax |
| ; CHECK-NEXT: .LBB0_2: # %if.end |
| ; CHECK-NEXT: retq |
| entry: |
| %and = and i32 %flags, 512 |
| %tobool = icmp eq i32 %and, 0 |
| br i1 %tobool, label %if.end, label %if.then |
| |
| if.then: |
| br label %if.end |
| |
| if.end: |
| %hasflag = phi i32 [ 1, %if.then ], [ 0, %entry ] |
| ret i32 %hasflag |
| } |