1*9880d681SAndroid Build Coastguard Worker; Test that the strlen library call simplifier works correctly. 2*9880d681SAndroid Build Coastguard Worker; 3*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -instcombine -S | FileCheck %s 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Workertarget 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*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard Worker@hello = constant [6 x i8] c"hello\00" 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Workerdeclare i32 @strlen(i8*, i32) 10*9880d681SAndroid Build Coastguard Worker 11*9880d681SAndroid Build Coastguard Workerdefine i32 @test_no_simplify1() { 12*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test_no_simplify1( 13*9880d681SAndroid Build Coastguard Worker %hello_p = getelementptr [6 x i8], [6 x i8]* @hello, i32 0, i32 0 14*9880d681SAndroid Build Coastguard Worker %hello_l = call i32 @strlen(i8* %hello_p, i32 187) 15*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: %hello_l = call i32 @strlen 16*9880d681SAndroid Build Coastguard Worker ret i32 %hello_l 17*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret i32 %hello_l 18*9880d681SAndroid Build Coastguard Worker} 19