Mercurial > hg > CbC > CbC_llvm
view test/Transforms/InstCombine/wcslen-4.ll @ 147:c2174574ed3a
LLVM 10
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Wed, 14 Aug 2019 16:55:33 +0900 |
parents | 803732b1fca8 |
children |
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; Test that the wcslen library call simplifier works correctly. ; ; RUN: opt < %s -instcombine -S | FileCheck %s target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" ; Without the wchar_size metadata we should see no optimization happening. @hello = constant [6 x i32] [i32 104, i32 101, i32 108, i32 108, i32 111, i32 0] declare i64 @wcslen(i32*) define i64 @test_no_simplify1() { ; CHECK-LABEL: @test_no_simplify1( ; CHECK-NEXT: %hello_l = call i64 @wcslen(i32* getelementptr inbounds ([6 x i32], [6 x i32]* @hello, i64 0, i64 0)) ; CHECK-NEXT: ret i64 %hello_l %hello_p = getelementptr [6 x i32], [6 x i32]* @hello, i64 0, i64 0 %hello_l = call i64 @wcslen(i32* %hello_p) ret i64 %hello_l }