1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=core2 | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; rdar://7842028 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Worker; Do not delete partially dead copy instructions. 5*9880d681SAndroid Build Coastguard Worker; %RDI<def,dead> = MOV64rr %RAX<kill>, %EDI<imp-def> 6*9880d681SAndroid Build Coastguard Worker; REP_MOVSD %ECX<imp-def,dead>, %EDI<imp-def,dead>, %ESI<imp-def,dead>, %ECX<imp-use,kill>, %EDI<imp-use,kill>, %ESI<imp-use,kill> 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Worker%struct.F = type { %struct.FC*, i32, i32, i8, i32, i32, i32 } 10*9880d681SAndroid Build Coastguard Worker%struct.FC = type { [10 x i8], [32 x i32], %struct.FC*, i32 } 11*9880d681SAndroid Build Coastguard Worker 12*9880d681SAndroid Build Coastguard Workerdefine void @t(%struct.F* %this) nounwind { 13*9880d681SAndroid Build Coastguard Workerentry: 14*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: t: 15*9880d681SAndroid Build Coastguard Worker; CHECK: addq $12, %rsi 16*9880d681SAndroid Build Coastguard Worker %BitValueArray = alloca [32 x i32], align 4 17*9880d681SAndroid Build Coastguard Worker %tmp2 = getelementptr inbounds %struct.F, %struct.F* %this, i64 0, i32 0 18*9880d681SAndroid Build Coastguard Worker %tmp3 = load %struct.FC*, %struct.FC** %tmp2, align 8 19*9880d681SAndroid Build Coastguard Worker %tmp4 = getelementptr inbounds %struct.FC, %struct.FC* %tmp3, i64 0, i32 1, i64 0 20*9880d681SAndroid Build Coastguard Worker %tmp5 = bitcast [32 x i32]* %BitValueArray to i8* 21*9880d681SAndroid Build Coastguard Worker %tmp6 = bitcast i32* %tmp4 to i8* 22*9880d681SAndroid Build Coastguard Worker call void @llvm.memcpy.p0i8.p0i8.i64(i8* %tmp5, i8* %tmp6, i64 128, i32 4, i1 false) 23*9880d681SAndroid Build Coastguard Worker unreachable 24*9880d681SAndroid Build Coastguard Worker} 25*9880d681SAndroid Build Coastguard Worker 26*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind 27