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annotate test/Transforms/InstCombine/isascii-1.ll @ 52:c22698ecb2a9

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modified CreateIdentifierInfo and create new function which was named 'CreateUniqueIdentifierInfo'.
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Wed, 15 Jan 2014 21:01:33 +0900
parents 95c75e76d11b
children
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95c75e76d11b LLVM 3.4
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1 ; Test that the isascii library call simplifier works correctly.
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2 ;
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3 ; RUN: opt < %s -instcombine -S | FileCheck %s
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4
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5 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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6
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7 declare i32 @isascii(i32)
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8
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9 ; Check isascii(c) -> c <u 128.
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10
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11 define i32 @test_simplify1() {
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12 ; CHECK-LABEL: @test_simplify1(
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13 %ret = call i32 @isascii(i32 127)
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14 ret i32 %ret
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15 ; CHECK-NEXT: ret i32 1
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16 }
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17
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18 define i32 @test_simplify2() {
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19 ; CHECK-LABEL: @test_simplify2(
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20 %ret = call i32 @isascii(i32 128)
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21 ret i32 %ret
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22 ; CHECK-NEXT: ret i32 0
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23 }
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24
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25 define i32 @test_simplify3(i32 %x) {
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26 ; CHECK-LABEL: @test_simplify3(
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27 %ret = call i32 @isascii(i32 %x)
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28 ; CHECK-NEXT: [[CMP:%[a-z0-9]+]] = icmp ult i32 %x, 128
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29 ; CHECK-NEXT: [[ZEXT:%[a-z0-9]+]] = zext i1 [[CMP]] to i32
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30 ret i32 %ret
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31 ; CHECK-NEXT: ret i32 [[ZEXT]]
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32 }