1 ; Test that the strlen library call simplifier works correctly. 2 ; 3 ; RUN: opt < %s -instcombine -S | FileCheck %s 4 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" 6 7 @hello = constant [6 x i8] c"hello\00" 8 9 declare i32 @strlen(i8*, i32) 10 11 define i32 @test_no_simplify1() { 12 ; CHECK-LABEL: @test_no_simplify1( 13 %hello_p = getelementptr [6 x i8]* @hello, i32 0, i32 0 14 %hello_l = call i32 @strlen(i8* %hello_p, i32 187) 15 ; CHECK-NEXT: %hello_l = call i32 @strlen 16 ret i32 %hello_l 17 ; CHECK-NEXT: ret i32 %hello_l 18 } 19
