[llvm-commits] [llvm] r121410 - in /llvm/trunk/lib/CodeGen: LiveIntervalUnion.cpp LiveIntervalUnion.h
Jakob Stoklund Olesen
stoklund at 2pi.dk
Thu Dec 9 13:20:44 PST 2010
Author: stoklund
Date: Thu Dec 9 15:20:44 2010
New Revision: 121410
URL: http://llvm.org/viewvc/llvm-project?rev=121410&view=rev
Log:
Add a forgotten initializer for CheckedFirstInterference.
Modified:
llvm/trunk/lib/CodeGen/LiveIntervalUnion.cpp
llvm/trunk/lib/CodeGen/LiveIntervalUnion.h
Modified: llvm/trunk/lib/CodeGen/LiveIntervalUnion.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/LiveIntervalUnion.cpp?rev=121410&r1=121409&r2=121410&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/LiveIntervalUnion.cpp (original)
+++ llvm/trunk/lib/CodeGen/LiveIntervalUnion.cpp Thu Dec 9 15:20:44 2010
@@ -168,6 +168,8 @@
IR.VirtRegI = VirtReg->end();
}
findIntersection(FirstInterference);
+ assert((IR.VirtRegI == VirtReg->end() || IR.LiveUnionI.valid())
+ && "Uninitialized iterator");
return FirstInterference;
}
Modified: llvm/trunk/lib/CodeGen/LiveIntervalUnion.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/LiveIntervalUnion.h?rev=121410&r1=121409&r2=121410&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/LiveIntervalUnion.h (original)
+++ llvm/trunk/lib/CodeGen/LiveIntervalUnion.h Thu Dec 9 15:20:44 2010
@@ -145,8 +145,8 @@
Query(): LiveUnion(), VirtReg() {}
Query(LiveInterval *VReg, LiveIntervalUnion *LIU):
- LiveUnion(LIU), VirtReg(VReg), SeenAllInterferences(false),
- SeenUnspillableVReg(false)
+ LiveUnion(LIU), VirtReg(VReg), CheckedFirstInterference(false),
+ SeenAllInterferences(false), SeenUnspillableVReg(false)
{}
void clear() {
@@ -159,6 +159,7 @@
}
void init(LiveInterval *VReg, LiveIntervalUnion *LIU) {
+ assert(VReg && LIU && "Invalid arguments");
if (VirtReg == VReg && LiveUnion == LIU) {
// Retain cached results, e.g. firstInterference.
return;
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