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Allow null interference cursors to be queried.

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They always report 'no interference'.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135843 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2011-07-23 03:10:17 +00:00
parent 59a4f9af0a
commit c7931fd725
2 changed files with 6 additions and 2 deletions
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5
lib/CodeGen/InterferenceCache.cpp
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@@ -18,10 +18,13 @@
using namespace llvm;
// Static member used for null interference cursors.
InterferenceCache::BlockInterference InterferenceCache::Cursor::NoInterference;
void InterferenceCache::init(MachineFunction *mf,
LiveIntervalUnion *liuarray,
SlotIndexes *indexes,
const TargetRegisterInfo *tri) {
const TargetRegisterInfo *tri) {
MF = mf;
LIUArray = liuarray;
TRI = tri;