Don't read PreRegAlloc before it is initialized.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150286 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineLICM.cpp b/lib/CodeGen/MachineLICM.cpp
index f26635d..fda6056 100644
--- a/lib/CodeGen/MachineLICM.cpp
+++ b/lib/CodeGen/MachineLICM.cpp
@@ -311,12 +311,6 @@
}
bool MachineLICM::runOnMachineFunction(MachineFunction &MF) {
- if (PreRegAlloc)
- DEBUG(dbgs() << "******** Pre-regalloc Machine LICM: ");
- else
- DEBUG(dbgs() << "******** Post-regalloc Machine LICM: ");
- DEBUG(dbgs() << MF.getFunction()->getName() << " ********\n");
-
Changed = FirstInLoop = false;
TM = &MF.getTarget();
TII = TM->getInstrInfo();
@@ -328,6 +322,12 @@
PreRegAlloc = MRI->isSSA();
+ if (PreRegAlloc)
+ DEBUG(dbgs() << "******** Pre-regalloc Machine LICM: ");
+ else
+ DEBUG(dbgs() << "******** Post-regalloc Machine LICM: ");
+ DEBUG(dbgs() << MF.getFunction()->getName() << " ********\n");
+
if (PreRegAlloc) {
// Estimate register pressure during pre-regalloc pass.
unsigned NumRC = TRI->getNumRegClasses();