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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-06-17 23:26:52 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-06-17 23:26:52 +0000 |
| commit | bed9711ca81e2bfe24df46ae2147417df4b3902e (patch) | |
| tree | 61133bb9a0b708a4a97fa95f192d58183df2df1a /lib/CodeGen/RegAllocLinearScan.cpp | |
| parent | 8936b947760a278b6371335f3411de647989c665 (diff) | |
Only call TRI::getRawAllocationOrder to resolve a target-dependent hint.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133313 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/RegAllocLinearScan.cpp')
| -rw-r--r-- | lib/CodeGen/RegAllocLinearScan.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp index 0818034c15..7a2ea6c408 100644 --- a/lib/CodeGen/RegAllocLinearScan.cpp +++ b/lib/CodeGen/RegAllocLinearScan.cpp @@ -1440,8 +1440,12 @@ unsigned RALinScan::getFreePhysReg(LiveInterval* cur, if (TargetRegisterInfo::isVirtualRegister(physReg) && vrm_->hasPhys(physReg)) physReg = vrm_->getPhys(physReg); - ArrayRef<unsigned> Order = tri_->getRawAllocationOrder(RC, Hint.first, - physReg, *mf_); + ArrayRef<unsigned> Order; + if (Hint.first) + Order = tri_->getRawAllocationOrder(RC, Hint.first, physReg, *mf_); + else + Order = RegClassInfo.getOrder(RC); + assert(!Order.empty() && "No allocatable register in this register class!"); // Scan for the first available register. |