Jakob Stoklund Olesen | 85f4fda | 2010-05-12 00:11:24 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=x86 | FileCheck %s |
Jakob Stoklund Olesen | 85f4fda | 2010-05-12 00:11:24 +0000 | [diff] [blame] | 2 | ; RUN: llc < %s -march=x86 -regalloc=fast | FileCheck %s |
Dale Johannesen | 91aac10 | 2008-09-17 21:13:11 +0000 | [diff] [blame] | 3 | |
| 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 Olesen | 85f4fda | 2010-05-12 00:11:24 +0000 | [diff] [blame] | 6 | ; CHECK: InlineAsm Start |
| 7 | ; CHECK-NOT: movl %eax, %eax |
| 8 | ; CHECK-NOT: movl (%eax), %eax |
| 9 | ; CHECK: InlineAsm End |
Dale Johannesen | 91aac10 | 2008-09-17 21:13:11 +0000 | [diff] [blame] | 10 | ; In the second asm, $0 and $2 must not be put in EDX. |
Jakob Stoklund Olesen | 85f4fda | 2010-05-12 00:11:24 +0000 | [diff] [blame] | 11 | ; CHECK: InlineAsm Start |
| 12 | ; CHECK-NOT: movl %edx, %edx |
| 13 | ; CHECK-NOT: movl (%edx), %edx |
| 14 | ; CHECK: InlineAsm End |
| 15 | |
Dale Johannesen | 91aac10 | 2008-09-17 21:13:11 +0000 | [diff] [blame] | 16 | target 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" |
| 17 | target triple = "i386-apple-darwin8" |
| 18 | @x = common global i32 0 ; <i32*> [#uses=1] |
| 19 | |
| 20 | define i32 @aci(i32* %pw) nounwind { |
| 21 | entry: |
| 22 | %0 = load i32* @x, align 4 ; <i32> [#uses=1] |
| 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 ; <{ i32, i32 }> [#uses=0] |
| 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 ; <{ i32, i32 }> [#uses=1] |
| 25 | %asmresult3 = extractvalue { i32, i32 } %asmtmp2, 0 ; <i32> [#uses=1] |
| 26 | %1 = add i32 %asmresult3, %0 ; <i32> [#uses=1] |
| 27 | ret i32 %1 |
| 28 | } |