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comparison test/CodeGen/X86/2008-09-17-inline-asm-1.ll @ 0:95c75e76d11b LLVM3.4

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
parents
children afa8332a0e37
comparison
equal deleted inserted replaced
-1:000000000000 0:95c75e76d11b
1 ; RUN: llc < %s -march=x86 | FileCheck %s
2 ; RUN: llc < %s -march=x86 -regalloc=fast -optimize-regalloc=0 | FileCheck %s
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.
6 ; CHECK: InlineAsm Start
7 ; CHECK-NOT: movl %eax, %eax
8 ; CHECK-NOT: movl (%eax), %eax
9 ; CHECK: InlineAsm End
10 ; In the second asm, $0 and $2 must not be put in EDX.
11 ; CHECK: InlineAsm Start
12 ; CHECK-NOT: movl %edx, %edx
13 ; CHECK-NOT: movl (%edx), %edx
14 ; CHECK: InlineAsm End
15
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
19
20 define i32 @aci(i32* %pw) nounwind {
21 entry:
22 %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
30 }