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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/MachineCSE.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/MachineCSE.cpp')
| -rw-r--r-- | lib/CodeGen/MachineCSE.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/CodeGen/MachineCSE.cpp b/lib/CodeGen/MachineCSE.cpp index 3e54784278..60ad46a0d3 100644 --- a/lib/CodeGen/MachineCSE.cpp +++ b/lib/CodeGen/MachineCSE.cpp @@ -116,7 +116,7 @@ bool MachineCSE::PerformTrivialCoalescing(MachineInstr *MI, if (!MO.isReg() || !MO.isUse()) continue; unsigned Reg = MO.getReg(); - if (!Reg || TargetRegisterInfo::isPhysicalRegister(Reg)) + if (!TargetRegisterInfo::isVirtualRegister(Reg)) continue; if (!MRI->hasOneNonDBGUse(Reg)) // Only coalesce single use copies. This ensure the copy will be @@ -300,7 +300,7 @@ bool MachineCSE::isProfitableToCSE(unsigned CSReg, unsigned Reg, bool HasVRegUse = false; for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) { const MachineOperand &MO = MI->getOperand(i); - if (MO.isReg() && MO.isUse() && MO.getReg() && + if (MO.isReg() && MO.isUse() && TargetRegisterInfo::isVirtualRegister(MO.getReg())) { HasVRegUse = true; break; |