1 ; Test that the wcslen library call simplifier works correctly. 2 ; 3 ; RUN: opt < %s -instcombine -S | FileCheck %s 4 5 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 6 7 ; Without the wchar_size metadata we should see no optimization happening. 8 9 @hello = constant [6 x i32] [i32 104, i32 101, i32 108, i32 108, i32 111, i32 0] 10 11 declare i64 @wcslen(i32*) 12 13 define i64 @test_no_simplify1() { 14 ; CHECK-LABEL: @test_no_simplify1( 15 ; CHECK-NEXT: %hello_l = call i64 @wcslen(i32* getelementptr inbounds ([6 x i32], [6 x i32]* @hello, i64 0, i64 0)) 16 ; CHECK-NEXT: ret i64 %hello_l 17 %hello_p = getelementptr [6 x i32], [6 x i32]* @hello, i64 0, i64 0 18 %hello_l = call i64 @wcslen(i32* %hello_p) 19 ret i64 %hello_l 20 } 21
