blob: 86e50c98bfdbfd7a7fdcaebf8eb5c77f6e804a8a [file] [log] [blame]
Jakob Stoklund Olesen85f4fda2010-05-12 00:11:24 +00001; RUN: llc < %s -march=x86 | FileCheck %s
Jakob Stoklund Olesen85f4fda2010-05-12 00:11:24 +00002; RUN: llc < %s -march=x86 -regalloc=fast | FileCheck %s
Dale Johannesen91aac102008-09-17 21:13:11 +00003
4; %0 must not be put in EAX or EDX.
5; In the first asm, $0 and $2 must not be put in EAX.
Jakob Stoklund Olesen85f4fda2010-05-12 00:11:24 +00006; CHECK: InlineAsm Start
7; CHECK-NOT: movl %eax, %eax
8; CHECK-NOT: movl (%eax), %eax
9; CHECK: InlineAsm End
Dale Johannesen91aac102008-09-17 21:13:11 +000010; In the second asm, $0 and $2 must not be put in EDX.
Jakob Stoklund Olesen85f4fda2010-05-12 00:11:24 +000011; CHECK: InlineAsm Start
12; CHECK-NOT: movl %edx, %edx
13; CHECK-NOT: movl (%edx), %edx
14; CHECK: InlineAsm End
15
Dale Johannesen91aac102008-09-17 21:13:11 +000016target 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"
17target triple = "i386-apple-darwin8"
Evan Chengc36b7062011-01-07 23:50:32 +000018@x = common global i32 0
Dale Johannesen91aac102008-09-17 21:13:11 +000019
20define i32 @aci(i32* %pw) nounwind {
21entry:
Evan Chengc36b7062011-01-07 23:50:32 +000022 %0 = load i32* @x, align 4
23 %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
24 %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
25 %asmresult2 = extractvalue { i32, i32 } %asmtmp, 0
26 %asmresult3 = extractvalue { i32, i32 } %asmtmp2, 0
27 %1 = add i32 %asmresult2, %asmresult3
28 %2 = add i32 %0, %1
29 ret i32 %2
Dale Johannesen91aac102008-09-17 21:13:11 +000030}