1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -O1 -S | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker; performCallSlotOptzn in MemCpy should not exchange the calls to 4*9880d681SAndroid Build Coastguard Worker; @llvm.lifetime.start and @llvm.memcpy. 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #1 7*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.lifetime.start(i64, i8* nocapture) #1 8*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.lifetime.end(i64, i8* nocapture) #1 9*9880d681SAndroid Build Coastguard Worker 10*9880d681SAndroid Build Coastguard Workerdefine void @_ZN4CordC2EOS_(i8* nocapture dereferenceable(16) %arg1) { 11*9880d681SAndroid Build Coastguard Workerbb: 12*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @_ZN4CordC2EOS_ 13*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: call void @llvm.lifetime.start 14*9880d681SAndroid Build Coastguard Worker; CHECK: ret void 15*9880d681SAndroid Build Coastguard Worker %tmp = alloca [8 x i8], align 8 16*9880d681SAndroid Build Coastguard Worker %tmp5 = bitcast [8 x i8]* %tmp to i8* 17*9880d681SAndroid Build Coastguard Worker call void @llvm.lifetime.start(i64 16, i8* %tmp5) 18*9880d681SAndroid Build Coastguard Worker %tmp10 = getelementptr inbounds i8, i8* %tmp5, i64 7 19*9880d681SAndroid Build Coastguard Worker store i8 0, i8* %tmp10, align 1 20*9880d681SAndroid Build Coastguard Worker call void @llvm.memcpy.p0i8.p0i8.i64(i8* %arg1, i8* %tmp5, i64 16, i32 8, i1 false) 21*9880d681SAndroid Build Coastguard Worker call void @llvm.lifetime.end(i64 16, i8* %tmp5) 22*9880d681SAndroid Build Coastguard Worker ret void 23*9880d681SAndroid Build Coastguard Worker} 24*9880d681SAndroid Build Coastguard Worker 25*9880d681SAndroid Build Coastguard Workerattributes #1 = { argmemonly nounwind } 26