[llvm-commits] CVS: llvm/lib/CodeGen/RegAllocLinearScan.cpp

[Evan Cheng]

Changes in directory llvm/lib/CodeGen:

RegAllocLinearScan.cpp updated: 1.137 -> 1.138
---
Log message:

Do not add livein's to entry MBB twice.

---
Diffs of the changes:  (+3 -2)

 RegAllocLinearScan.cpp |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)


Index: llvm/lib/CodeGen/RegAllocLinearScan.cpp
diff -u llvm/lib/CodeGen/RegAllocLinearScan.cpp:1.137 llvm/lib/CodeGen/RegAllocLinearScan.cpp:1.138
--- llvm/lib/CodeGen/RegAllocLinearScan.cpp:1.137	Fri Feb 16 03:05:02 2007
+++ llvm/lib/CodeGen/RegAllocLinearScan.cpp	Sat Feb 17 05:11:27 2007
@@ -292,8 +292,9 @@
   }
 
   // A brute force way of adding live-ins to every BB.
-  for (MachineFunction::iterator MBB = mf_->begin(), E = mf_->end();
-       MBB != E; ++MBB) {
+  MachineFunction::iterator MBB = mf_->begin();
+  ++MBB; // Skip entry MBB.
+  for (MachineFunction::iterator E = mf_->end(); MBB != E; ++MBB) {
     unsigned StartIdx = li_->getMBBStartIdx(MBB->getNumber());
     for (IntervalPtrs::iterator i = fixed_.begin(), e = fixed_.end();
          i != e; ++i)