diff options
| 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/VirtRegMap.cpp | |
| parent | fdc8f2d2604877d80f64e309d4b03ea67addf037 (diff) | |
| download | llvm-c9df025e33ac435adb3b3318d237c36ca7cec659.tar.gz llvm-c9df025e33ac435adb3b3318d237c36ca7cec659.tar.bz2 llvm-c9df025e33ac435adb3b3318d237c36ca7cec659.tar.xz | |
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/VirtRegMap.cpp')
| -rw-r--r-- | lib/CodeGen/VirtRegMap.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/lib/CodeGen/VirtRegMap.cpp b/lib/CodeGen/VirtRegMap.cpp index df8a021d14..82c64f36d5 100644 --- a/lib/CodeGen/VirtRegMap.cpp +++ b/lib/CodeGen/VirtRegMap.cpp @@ -115,11 +115,10 @@ unsigned VirtRegMap::createSpillSlot(const TargetRegisterClass *RC) { unsigned VirtRegMap::getRegAllocPref(unsigned virtReg) { std::pair<unsigned, unsigned> Hint = MRI->getRegAllocationHint(virtReg); unsigned physReg = Hint.second; - if (physReg && - TargetRegisterInfo::isVirtualRegister(physReg) && hasPhys(physReg)) + if (TargetRegisterInfo::isVirtualRegister(physReg) && hasPhys(physReg)) physReg = getPhys(physReg); if (Hint.first == 0) - return (physReg && TargetRegisterInfo::isPhysicalRegister(physReg)) + return (TargetRegisterInfo::isPhysicalRegister(physReg)) ? physReg : 0; return TRI->ResolveRegAllocHint(Hint.first, physReg, *MF); } |