1*9880d681SAndroid Build Coastguard Worker; Test that the memmove 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 Workerdeclare i8* @memmove(i8*, i8*, i32) 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Worker; Check memmove(mem1, mem2, size) -> llvm.memmove(mem1, mem2, size, 1). 10*9880d681SAndroid Build Coastguard Worker 11*9880d681SAndroid Build Coastguard Workerdefine i8* @test_simplify1(i8* %mem1, i8* %mem2, i32 %size) { 12*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test_simplify1( 13*9880d681SAndroid Build Coastguard Worker %ret = call i8* @memmove(i8* %mem1, i8* %mem2, i32 %size) 14*9880d681SAndroid Build Coastguard Worker; CHECK: call void @llvm.memmove 15*9880d681SAndroid Build Coastguard Worker ret i8* %ret 16*9880d681SAndroid Build Coastguard Worker; CHECK: ret i8* %mem1 17*9880d681SAndroid Build Coastguard Worker} 18