Mercurial > hg > CbC > CbC_llvm
view test/Transforms/InstCombine/isascii-1.ll @ 52:c22698ecb2a9
modified CreateIdentifierInfo and create new function which was named 'CreateUniqueIdentifierInfo'.
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
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date | Wed, 15 Jan 2014 21:01:33 +0900 (2014-01-15) |
parents | 95c75e76d11b |
children |
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; Test that the isascii library call simplifier works correctly. ; ; RUN: opt < %s -instcombine -S | FileCheck %s 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" declare i32 @isascii(i32) ; Check isascii(c) -> c <u 128. define i32 @test_simplify1() { ; CHECK-LABEL: @test_simplify1( %ret = call i32 @isascii(i32 127) ret i32 %ret ; CHECK-NEXT: ret i32 1 } define i32 @test_simplify2() { ; CHECK-LABEL: @test_simplify2( %ret = call i32 @isascii(i32 128) ret i32 %ret ; CHECK-NEXT: ret i32 0 } define i32 @test_simplify3(i32 %x) { ; CHECK-LABEL: @test_simplify3( %ret = call i32 @isascii(i32 %x) ; CHECK-NEXT: [[CMP:%[a-z0-9]+]] = icmp ult i32 %x, 128 ; CHECK-NEXT: [[ZEXT:%[a-z0-9]+]] = zext i1 [[CMP]] to i32 ret i32 %ret ; CHECK-NEXT: ret i32 [[ZEXT]] }