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annotate test/CodeGen/Hexagon/opt-fabs.ll @ 95:afa8332a0e37

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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 7d135dc70f03
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95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: llc -mtriple=hexagon-unknown-elf -mcpu=hexagonv5 < %s | FileCheck %s
95c75e76d11b LLVM 3.4
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2 ; Optimize fabsf to clrbit in V5.
95c75e76d11b LLVM 3.4
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95c75e76d11b LLVM 3.4
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4 ; CHECK: r{{[0-9]+}} = clrbit(r{{[0-9]+}}, #31)
95c75e76d11b LLVM 3.4
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95c75e76d11b LLVM 3.4
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6 define float @my_fabsf(float %x) nounwind {
95c75e76d11b LLVM 3.4
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7 entry:
95c75e76d11b LLVM 3.4
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8 %x.addr = alloca float, align 4
95c75e76d11b LLVM 3.4
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9 store float %x, float* %x.addr, align 4
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afa8332a0e37 LLVM 3.8
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10 %0 = load float, float* %x.addr, align 4
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95c75e76d11b LLVM 3.4
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11 %call = call float @fabsf(float %0) readnone
95c75e76d11b LLVM 3.4
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12 ret float %call
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13 }
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95c75e76d11b LLVM 3.4
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15 declare float @fabsf(float)