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-rw-r--r--lib/CodeGen/MachineVerifier.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/CodeGen/MachineVerifier.cpp b/lib/CodeGen/MachineVerifier.cpp
index 70ccae6423..25549b0269 100644
--- a/lib/CodeGen/MachineVerifier.cpp
+++ b/lib/CodeGen/MachineVerifier.cpp
@@ -446,7 +446,8 @@ MachineVerifier::visitMachineInstrAfter(const MachineInstr *MI)
if (TargetRegisterInfo::isPhysicalRegister(*I)) {
// We allow double defines to physical registers with live
// super-registers.
- if (!allowPhysDoubleDefs && !anySuperRegisters(regsLive, *I)) {
+ if (!allowPhysDoubleDefs && !isReserved(*I) &&
+ !anySuperRegisters(regsLive, *I)) {
report("Redefining a live physical register", MI);
*OS << "Register " << TRI->getName(*I)
<< " was defined but already live.\n";
@@ -615,7 +616,7 @@ MachineVerifier::visitMachineFunctionAfter()
for (MachineBasicBlock::const_livein_iterator I = MFI->livein_begin(),
E = MFI->livein_end(); I != E; ++I) {
if (TargetRegisterInfo::isPhysicalRegister(*I) &&
- !PrInfo.isLiveOut(*I)) {
+ !isReserved (*I) && !PrInfo.isLiveOut(*I)) {
report("Live-in physical register is not live-out from predecessor",
MFI);
*OS << "Register " << TRI->getName(*I)