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annotate test/CodeGen/X86/fast-isel-select.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 54457678186b
children c2174574ed3a
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54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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1 ; RUN: llc -mtriple x86_64-apple-darwin -O0 -o - < %s | FileCheck %s
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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2 ; Make sure we only use the less significant bit of the value that feeds the
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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3 ; select. Otherwise, we may account for a non-zero value whereas the
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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4 ; lsb is zero.
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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5 ; <rdar://problem/15651765>
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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7 ; CHECK-LABEL: fastisel_select:
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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8 ; CHECK: subb {{%[a-z0-9]+}}, [[RES:%[a-z0-9]+]]
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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9 ; CHECK: testb $1, [[RES]]
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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10 ; CHECK: cmovnel %edi, %esi
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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11 define i32 @fastisel_select(i1 %exchSub2211_, i1 %trunc_8766) {
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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12 %shuffleInternal15257_8932 = sub i1 %exchSub2211_, %trunc_8766
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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13 %counter_diff1345 = select i1 %shuffleInternal15257_8932, i32 1204476887, i32 0
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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14 ret i32 %counter_diff1345
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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15 }
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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