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annotate test/CodeGen/X86/2008-09-17-inline-asm-1.ll @ 121:803732b1fca8

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LLVM 5.0
author kono
date Fri, 27 Oct 2017 17:07:41 +0900
parents afa8332a0e37
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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121
803732b1fca8 LLVM 5.0
kono
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1 ; RUN: llc < %s | FileCheck %s
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2 ; RUN: llc < %s -regalloc=fast -optimize-regalloc=0 | FileCheck %s
0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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3
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4 ; %0 must not be put in EAX or EDX.
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5 ; In the first asm, $0 and $2 must not be put in EAX.
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6 ; CHECK: InlineAsm Start
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7 ; CHECK-NOT: movl %eax, %eax
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8 ; CHECK-NOT: movl (%eax), %eax
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9 ; CHECK: InlineAsm End
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10 ; In the second asm, $0 and $2 must not be put in EDX.
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11 ; CHECK: InlineAsm Start
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12 ; CHECK-NOT: movl %edx, %edx
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13 ; CHECK-NOT: movl (%edx), %edx
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14 ; CHECK: InlineAsm End
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15
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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"
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17 target triple = "i386-apple-darwin8"
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18 @x = common global i32 0
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19
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20 define i32 @aci(i32* %pw) nounwind {
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21 entry:
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afa8332a0e37 LLVM 3.8
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22 %0 = load i32, i32* @x, align 4
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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
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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
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25 %asmresult2 = extractvalue { i32, i32 } %asmtmp, 0
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26 %asmresult3 = extractvalue { i32, i32 } %asmtmp2, 0
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27 %1 = add i32 %asmresult2, %asmresult3
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28 %2 = add i32 %0, %1
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29 ret i32 %2
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30 }