blob: dd8333608260471d297ff5972448d03fc2ef349e [file] [log] [blame]
Jakob Stoklund Olesen85f4fda2010-05-12 00:11:24 +00001; RUN: llc < %s -march=x86 | FileCheck %s
2; RUN: llc < %s -march=x86 -regalloc=local | FileCheck %s
3; RUN: llc < %s -march=x86 -regalloc=fast | FileCheck %s
Dale Johannesen91aac102008-09-17 21:13:11 +00004
5; %0 must not be put in EAX or EDX.
6; In the first asm, $0 and $2 must not be put in EAX.
Jakob Stoklund Olesen85f4fda2010-05-12 00:11:24 +00007; CHECK: InlineAsm Start
8; CHECK-NOT: movl %eax, %eax
9; CHECK-NOT: movl (%eax), %eax
10; CHECK: InlineAsm End
Dale Johannesen91aac102008-09-17 21:13:11 +000011; In the second asm, $0 and $2 must not be put in EDX.
Jakob Stoklund Olesen85f4fda2010-05-12 00:11:24 +000012; CHECK: InlineAsm Start
13; CHECK-NOT: movl %edx, %edx
14; CHECK-NOT: movl (%edx), %edx
15; CHECK: InlineAsm End
16
Dale Johannesen91aac102008-09-17 21:13:11 +000017target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
18target triple = "i386-apple-darwin8"
19@x = common global i32 0 ; <i32*> [#uses=1]
20
21define i32 @aci(i32* %pw) nounwind {
22entry:
23 %0 = load i32* @x, align 4 ; <i32> [#uses=1]
24 %asmtmp = tail call { i32, i32 } asm "movl $0, %eax\0A\090:\0A\09test %eax, %eax\0A\09je 1f\0A\09movl %eax, $2\0A\09incl $2\0A\09lock\0A\09cmpxchgl $2, $0\0A\09jne 0b\0A\091:", "=*m,=&{ax},=&r,*m,~{dirflag},~{fpsr},~{flags},~{memory},~{cc}"(i32* %pw, i32* %pw) nounwind ; <{ i32, i32 }> [#uses=0]
25 %asmtmp2 = tail call { i32, i32 } asm "movl $0, %edx\0A\090:\0A\09test %edx, %edx\0A\09je 1f\0A\09movl %edx, $2\0A\09incl $2\0A\09lock\0A\09cmpxchgl $2, $0\0A\09jne 0b\0A\091:", "=*m,=&{dx},=&r,*m,~{dirflag},~{fpsr},~{flags},~{memory},~{cc}"(i32* %pw, i32* %pw) nounwind ; <{ i32, i32 }> [#uses=1]
26 %asmresult3 = extractvalue { i32, i32 } %asmtmp2, 0 ; <i32> [#uses=1]
27 %1 = add i32 %asmresult3, %0 ; <i32> [#uses=1]
28 ret i32 %1
29}