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annotate test/CodeGen/ARM/fcopysign.ll @ 95:afa8332a0e37 LLVM3.8

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LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
parents 95c75e76d11b
children
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95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: llc < %s -disable-post-ra -mtriple=armv7-apple-darwin -mcpu=cortex-a8 | FileCheck %s -check-prefix=SOFT
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2 ; RUN: llc < %s -disable-post-ra -mtriple=armv7-gnueabi -float-abi=hard -mcpu=cortex-a8 | FileCheck %s -check-prefix=HARD
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3
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4 ; rdar://8984306
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5 define float @test1(float %x, float %y) nounwind {
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6 entry:
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7 ; SOFT-LABEL: test1:
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8 ; SOFT: lsr r1, r1, #31
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9 ; SOFT: bfi r0, r1, #31, #1
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10
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11 ; HARD-LABEL: test1:
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12 ; HARD: vmov.i32 [[REG1:(d[0-9]+)]], #0x80000000
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13 ; HARD: vbsl [[REG1]], d
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14 %0 = tail call float @copysignf(float %x, float %y) nounwind readnone
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15 ret float %0
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16 }
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18 define double @test2(double %x, double %y) nounwind {
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19 entry:
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20 ; SOFT-LABEL: test2:
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21 ; SOFT: lsr r2, r3, #31
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22 ; SOFT: bfi r1, r2, #31, #1
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23
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24 ; HARD-LABEL: test2:
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25 ; HARD: vmov.i32 [[REG2:(d[0-9]+)]], #0x80000000
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26 ; HARD: vshl.i64 [[REG2]], [[REG2]], #32
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27 ; HARD: vbsl [[REG2]], d1, d0
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28 %0 = tail call double @copysign(double %x, double %y) nounwind readnone
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29 ret double %0
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30 }
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31
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32 define double @test3(double %x, double %y, double %z) nounwind {
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33 entry:
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34 ; SOFT-LABEL: test3:
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35 ; SOFT: vmov.i32 [[REG3:(d[0-9]+)]], #0x80000000
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36 ; SOFT: vshl.i64 [[REG3]], [[REG3]], #32
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37 ; SOFT: vbsl [[REG3]],
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38 %0 = fmul double %x, %y
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39 %1 = tail call double @copysign(double %0, double %z) nounwind readnone
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40 ret double %1
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41 }
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42
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43 ; rdar://9287902
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44 define float @test4() nounwind {
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45 entry:
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46 ; SOFT-LABEL: test4:
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47 ; SOFT: vmov [[REG7:(d[0-9]+)]], r0, r1
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48 ; SOFT: vmov.i32 [[REG6:(d[0-9]+)]], #0x80000000
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49 ; SOFT: vshr.u64 [[REG7]], [[REG7]], #32
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50 ; SOFT: vbsl [[REG6]], [[REG7]],
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afa8332a0e37 LLVM 3.8
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51 %0 = tail call double (...) @bar() nounwind
0
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52 %1 = fptrunc double %0 to float
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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53 %2 = tail call float @copysignf(float 5.000000e-01, float %1) nounwind readnone
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54 %3 = fadd float %1, %2
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55 ret float %3
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56 }
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57
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58 declare double @bar(...)
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59 declare double @copysign(double, double) nounwind
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60 declare float @copysignf(float, float) nounwind