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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-04-11 23:57:14 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-04-11 23:57:14 +0000 |
| commit | 507992e909825c807f7972626efabf476adea8f7 (patch) | |
| tree | 21c885ee95ff4668a6b2a9583458dd29c716979f /llvm/lib/CodeGen/LiveIntervalUnion.h | |
| parent | dc8bf9ec08641477675c9d85cf9fcaa9c31487d5 (diff) | |
| download | bcm5719-llvm-507992e909825c807f7972626efabf476adea8f7.tar.gz bcm5719-llvm-507992e909825c807f7972626efabf476adea8f7.zip | |
Reuse live interval union between functions. This saves a bit of compile time
when compiling many small functions.
llvm-svn: 129321
Diffstat (limited to 'llvm/lib/CodeGen/LiveIntervalUnion.h')
| -rw-r--r-- | llvm/lib/CodeGen/LiveIntervalUnion.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/LiveIntervalUnion.h b/llvm/lib/CodeGen/LiveIntervalUnion.h index 90d4aaf88ad..c83578e99c6 100644 --- a/llvm/lib/CodeGen/LiveIntervalUnion.h +++ b/llvm/lib/CodeGen/LiveIntervalUnion.h @@ -95,6 +95,9 @@ public: // Remove a live virtual register's segments from this union. void extract(LiveInterval &VirtReg); + // Remove all inserted virtual registers. + void clear() { Segments.clear(); ++Tag; } + // Print union, using TRI to translate register names void print(raw_ostream &OS, const TargetRegisterInfo *TRI) const; |
