1*9880d681SAndroid Build Coastguard Worker; Test that the strchr libcall 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 [14 x i8] c"hello world\5Cn\00" 8*9880d681SAndroid Build Coastguard Worker@chr = global i8 zeroinitializer 9*9880d681SAndroid Build Coastguard Worker 10*9880d681SAndroid Build Coastguard Workerdeclare i8 @strchr(i8*, i32) 11*9880d681SAndroid Build Coastguard Worker 12*9880d681SAndroid Build Coastguard Workerdefine void @test_nosimplify1() { 13*9880d681SAndroid Build Coastguard Worker; CHECK: test_nosimplify1 14*9880d681SAndroid Build Coastguard Worker; CHECK: call i8 @strchr 15*9880d681SAndroid Build Coastguard Worker; CHECK: ret void 16*9880d681SAndroid Build Coastguard Worker 17*9880d681SAndroid Build Coastguard Worker %str = getelementptr [14 x i8], [14 x i8]* @hello, i32 0, i32 0 18*9880d681SAndroid Build Coastguard Worker %dst = call i8 @strchr(i8* %str, i32 119) 19*9880d681SAndroid Build Coastguard Worker store i8 %dst, i8* @chr 20*9880d681SAndroid Build Coastguard Worker ret void 21*9880d681SAndroid Build Coastguard Worker} 22