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31 lines
1.1 KiB
LLVM
31 lines
1.1 KiB
LLVM
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; RUN: llc < %s -disable-non-leaf-fp-elim -relocation-model=pic -mtriple=x86_64-apple-darwin | FileCheck %s
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; <rdar://problem/8170192>
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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target triple = "x86_64-apple-darwin11.0"
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@msg = internal global i8* null ; <i8**> [#uses=1]
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@.str = private constant [2 x i8] c"x\00", align 1 ; <[2 x i8]*> [#uses=1]
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define void @test(i8* %p) nounwind optsize ssp {
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; No stack frame, please.
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; CHECK: _test
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; CHECK-NOT: pushq %rbp
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; CHECK-NOT: movq %rsp, %rbp
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; CHECK: InlineAsm Start
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entry:
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%0 = icmp eq i8* %p, null ; <i1> [#uses=1]
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br i1 %0, label %return, label %bb
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bb: ; preds = %entry
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tail call void asm "mov $1, $0", "=*m,{cx},~{dirflag},~{fpsr},~{flags}"(i8** @msg, i8* getelementptr inbounds ([2 x i8]* @.str, i64 0, i64 0)) nounwind
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tail call void @llvm.trap()
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unreachable
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return: ; preds = %entry
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ret void
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}
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declare void @llvm.trap() nounwind
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