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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-12-03 23:23:50 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-12-03 23:23:50 +0000 |
| commit | fc6374439edf2f74da4026f4cea8e341d092be5c (patch) | |
| tree | bb000dd3e82cff7fae77dcf0f9d9930922e4e1f4 /lib/CodeGen/RegAllocGreedy.cpp | |
| parent | ade047463fd6e0fbb447145eb06015b8e7836482 (diff) | |
| download | llvm-fc6374439edf2f74da4026f4cea8e341d092be5c.tar.gz llvm-fc6374439edf2f74da4026f4cea8e341d092be5c.tar.bz2 llvm-fc6374439edf2f74da4026f4cea8e341d092be5c.tar.xz | |
Add VirtRegMap::hasKnownPreference().
Virtual registers with a known preferred register are prioritized by
RAGreedy. This function makes the condition explicit without depending
on getRegAllocPref().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169179 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/RegAllocGreedy.cpp')
| -rw-r--r-- | lib/CodeGen/RegAllocGreedy.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/RegAllocGreedy.cpp b/lib/CodeGen/RegAllocGreedy.cpp index 3d1b580207..994264338d 100644 --- a/lib/CodeGen/RegAllocGreedy.cpp +++ b/lib/CodeGen/RegAllocGreedy.cpp @@ -413,7 +413,7 @@ void RAGreedy::enqueue(LiveInterval *LI) { Prio = (1u << 31) + Size; // Boost ranges that have a physical register hint. - if (TargetRegisterInfo::isPhysicalRegister(VRM->getRegAllocPref(Reg))) + if (VRM->hasKnownPreference(Reg)) Prio |= (1u << 30); } |