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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-07-23 03:10:17 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-07-23 03:10:17 +0000 |
| commit | cacefc7dcaa646560e51c367ca3785a37fac69bb (patch) | |
| tree | a73c00a84b51d5d26b20af2e8d755c1971b94d3d /llvm/lib/CodeGen/InterferenceCache.cpp | |
| parent | 8957aaa2d27974b165d660e609f3664ca64d9404 (diff) | |
| download | bcm5719-llvm-cacefc7dcaa646560e51c367ca3785a37fac69bb.tar.gz bcm5719-llvm-cacefc7dcaa646560e51c367ca3785a37fac69bb.zip | |
Allow null interference cursors to be queried.
They always report 'no interference'.
llvm-svn: 135843
Diffstat (limited to 'llvm/lib/CodeGen/InterferenceCache.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/InterferenceCache.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/InterferenceCache.cpp b/llvm/lib/CodeGen/InterferenceCache.cpp index a09bb39f833..29b47bd67ec 100644 --- a/llvm/lib/CodeGen/InterferenceCache.cpp +++ b/llvm/lib/CodeGen/InterferenceCache.cpp @@ -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; |
