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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-01-10 02:58:51 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-01-10 02:58:51 +0000 |
| commit | c9df025e33ac435adb3b3318d237c36ca7cec659 (patch) | |
| tree | 80a9dfcbb33fcfa3fbfdff2b2f9e6ba80ed170fc /lib/CodeGen/RegAllocLinearScan.cpp | |
| parent | fdc8f2d2604877d80f64e309d4b03ea67addf037 (diff) | |
Simplify a bunch of isVirtualRegister() and isPhysicalRegister() logic.
These functions not longer assert when passed 0, but simply return false instead.
No functional change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123155 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/RegAllocLinearScan.cpp')
| -rw-r--r-- | lib/CodeGen/RegAllocLinearScan.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp index bbff424710..14f672666d 100644 --- a/lib/CodeGen/RegAllocLinearScan.cpp +++ b/lib/CodeGen/RegAllocLinearScan.cpp @@ -1421,8 +1421,7 @@ unsigned RALinScan::getFreePhysReg(LiveInterval* cur, std::pair<unsigned, unsigned> Hint = mri_->getRegAllocationHint(cur->reg); // Resolve second part of the hint (if possible) given the current allocation. unsigned physReg = Hint.second; - if (physReg && - TargetRegisterInfo::isVirtualRegister(physReg) && vrm_->hasPhys(physReg)) + if (TargetRegisterInfo::isVirtualRegister(physReg) && vrm_->hasPhys(physReg)) physReg = vrm_->getPhys(physReg); TargetRegisterClass::iterator I, E; |