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