annotate test/CodeGen/X86/fp-stack-ret.ll @ 121:803732b1fca8

LLVM 5.0
author kono
date Fri, 27 Oct 2017 17:07:41 +0900
parents afa8332a0e37
children
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121
803732b1fca8 LLVM 5.0
kono
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1 ; RUN: llc < %s -mtriple=i686-apple-darwin8 -mcpu=yonah | FileCheck %s
0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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2
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3 ; These testcases shouldn't require loading into an XMM register then storing
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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4 ; to memory, then reloading into an FPStack reg.
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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5
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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6 ; CHECK: test1
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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7 ; CHECK: fldl
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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8 ; CHECK-NEXT: ret
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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9 define double @test1(double *%P) {
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afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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10 %A = load double, double* %P
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11 ret double %A
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12 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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13
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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14 ; fastcc should return a value
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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15 ; CHECK: test2
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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16 ; CHECK-NOT: xmm
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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17 ; CHECK: ret
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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18 define fastcc double @test2(<2 x double> %A) {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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19 %B = extractelement <2 x double> %A, i32 0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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20 ret double %B
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21 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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22
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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23 ; CHECK: test3
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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24 ; CHECK: sub{{.*}}%esp
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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25 ; CHECK-NOT: xmm
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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26 define fastcc double @test3(<4 x float> %A) {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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27 %B = bitcast <4 x float> %A to <2 x double>
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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28 %C = call fastcc double @test2(<2 x double> %B)
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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29 ret double %C
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30 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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31
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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32 ; Clear the stack when not using a return value.
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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33 ; CHECK: test4
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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34 ; CHECK: call
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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35 ; CHECK: fstp
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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36 ; CHECK: ret
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37 define void @test4(double *%P) {
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38 %A = call double @test1(double *%P)
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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39 ret void
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40 }