forked from OSchip/llvm-project
31 lines
1.1 KiB
LLVM
31 lines
1.1 KiB
LLVM
|
; RUN: llc < %s -disable-non-leaf-fp-elim -relocation-model=pic -mtriple=x86_64-apple-darwin | FileCheck %s
|
||
|
|
; <rdar://problem/8170192>
|
||
|
|
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"
|
||
|
|
target triple = "x86_64-apple-darwin11.0"
|
||
|
|
|
||
|
|
@msg = internal global i8* null ; <i8**> [#uses=1]
|
||
|
|
@.str = private constant [2 x i8] c"x\00", align 1 ; <[2 x i8]*> [#uses=1]
|
||
|
|
|
||
|
|
define void @test(i8* %p) nounwind optsize ssp {
|
||
|
|
|
||
|
|
; No stack frame, please.
|
||
|
|
; CHECK: _test
|
||
|
|
; CHECK-NOT: pushq %rbp
|
||
|
|
; CHECK-NOT: movq %rsp, %rbp
|
||
|
|
; CHECK: InlineAsm Start
|
||
|
|
|
||
|
|
entry:
|
||
|
|
%0 = icmp eq i8* %p, null ; <i1> [#uses=1]
|
||
|
|
br i1 %0, label %return, label %bb
|
||
|
|
|
||
|
|
bb: ; preds = %entry
|
||
|
|
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
|
||
|
|
tail call void @llvm.trap()
|
||
|
|
unreachable
|
||
|
|
|
||
|
|
return: ; preds = %entry
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
declare void @llvm.trap() nounwind
|