| ; 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 |
