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21 lines
463 B
LLVM
21 lines
463 B
LLVM
; 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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; CHECK: testb $2, %{{[abcd]}}h
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; CHECK-NEXT: je
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define i32 @check_flag(i32 %flags, ...) nounwind {
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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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