1*9880d681SAndroid Build Coastguard Worker; Test that the strcmp library call simplifier works correctly. 2*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -instcombine -S | FileCheck %s 3*9880d681SAndroid Build Coastguard Worker 4*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" 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Worker@hello = constant [6 x i8] c"hello\00" 7*9880d681SAndroid Build Coastguard Worker@hell = constant [5 x i8] c"hell\00" 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Workerdeclare i16 @strcmp(i8*, i8*) 10*9880d681SAndroid Build Coastguard Worker 11*9880d681SAndroid Build Coastguard Workerdefine i16 @test_nosimplify() { 12*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test_nosimplify( 13*9880d681SAndroid Build Coastguard Worker; CHECK: call i16 @strcmp 14*9880d681SAndroid Build Coastguard Worker; CHECK: ret i16 %temp1 15*9880d681SAndroid Build Coastguard Worker 16*9880d681SAndroid Build Coastguard Worker %str1 = getelementptr inbounds [5 x i8], [5 x i8]* @hell, i32 0, i32 0 17*9880d681SAndroid Build Coastguard Worker %str2 = getelementptr inbounds [6 x i8], [6 x i8]* @hello, i32 0, i32 0 18*9880d681SAndroid Build Coastguard Worker %temp1 = call i16 @strcmp(i8* %str1, i8* %str2) 19*9880d681SAndroid Build Coastguard Worker ret i16 %temp1 20*9880d681SAndroid Build Coastguard Worker} 21