| Bill Wendling | c930cbc | 2010-07-08 22:38:02 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -disable-non-leaf-fp-elim -relocation-model=pic -mtriple=x86_64-apple-darwin | FileCheck %s |
| 2 | ; <rdar://problem/8170192> |
| 3 | 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" |
| 4 | target triple = "x86_64-apple-darwin11.0" |
| 5 | |
| 6 | @msg = internal global i8* null ; <i8**> [#uses=1] |
| 7 | @.str = private constant [2 x i8] c"x\00", align 1 ; <[2 x i8]*> [#uses=1] |
| 8 | |
| 9 | define void @test(i8* %p) nounwind optsize ssp { |
| 10 | |
| 11 | ; No stack frame, please. |
| 12 | ; CHECK: _test |
| 13 | ; CHECK-NOT: pushq %rbp |
| 14 | ; CHECK-NOT: movq %rsp, %rbp |
| 15 | ; CHECK: InlineAsm Start |
| 16 | |
| 17 | entry: |
| 18 | %0 = icmp eq i8* %p, null ; <i1> [#uses=1] |
| 19 | br i1 %0, label %return, label %bb |
| 20 | |
| 21 | bb: ; preds = %entry |
| 22 | 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 |
| 23 | tail call void @llvm.trap() |
| 24 | unreachable |
| 25 | |
| 26 | return: ; preds = %entry |
| 27 | ret void |
| 28 | } |
| 29 | |
| 30 | declare void @llvm.trap() nounwind |