diff options
| author | Hal Finkel <hfinkel@anl.gov> | 2013-03-22 07:27:44 +0000 |
|---|---|---|
| committer | Hal Finkel <hfinkel@anl.gov> | 2013-03-22 07:27:44 +0000 |
| commit | 9b294d4056f47bac5985de89c847aa1a04d38bf0 (patch) | |
| tree | 28e4d7b69ab37ae765ddd83cbe37a7be56d335db | |
| parent | c204410d6bc435e7cb8ea768759a54135e8e92b5 (diff) | |
Remove ScavengedRC from RegisterScavenging
ScavengedRC was a dead private variable (set, but not otherwise used). No
functionality change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177708 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | include/llvm/CodeGen/RegisterScavenging.h | 6 | ||||
| -rw-r--r-- | lib/CodeGen/RegisterScavenging.cpp | 3 |
2 files changed, 1 insertions, 8 deletions
diff --git a/include/llvm/CodeGen/RegisterScavenging.h b/include/llvm/CodeGen/RegisterScavenging.h index 01199205b5..a2b1533e5d 100644 --- a/include/llvm/CodeGen/RegisterScavenging.h +++ b/include/llvm/CodeGen/RegisterScavenging.h @@ -48,10 +48,6 @@ class RegScavenger { /// scavenged. That is, it is spilled to the special scavenging stack slot. unsigned ScavengedReg; - /// ScavengedRC - Register class of the scavenged register. - /// - const TargetRegisterClass *ScavengedRC; - /// ScavengeRestore - Instruction that restores the scavenged register from /// stack. const MachineInstr *ScavengeRestore; @@ -72,7 +68,7 @@ class RegScavenger { public: RegScavenger() : MBB(NULL), NumPhysRegs(0), Tracking(false), - ScavengingFrameIndex(-1), ScavengedReg(0), ScavengedRC(NULL) {} + ScavengingFrameIndex(-1), ScavengedReg(0) {} /// enterBasicBlock - Start tracking liveness from the begin of the specific /// basic block. diff --git a/lib/CodeGen/RegisterScavenging.cpp b/lib/CodeGen/RegisterScavenging.cpp index 6da901f81d..d0d30e8f94 100644 --- a/lib/CodeGen/RegisterScavenging.cpp +++ b/lib/CodeGen/RegisterScavenging.cpp @@ -46,7 +46,6 @@ bool RegScavenger::isAliasUsed(unsigned Reg) const { void RegScavenger::initRegState() { ScavengedReg = 0; - ScavengedRC = NULL; ScavengeRestore = NULL; // All registers started out unused. @@ -123,7 +122,6 @@ void RegScavenger::forward() { if (MI == ScavengeRestore) { ScavengedReg = 0; - ScavengedRC = NULL; ScavengeRestore = NULL; } @@ -390,7 +388,6 @@ unsigned RegScavenger::scavengeRegister(const TargetRegisterClass *RC, // Doing this here leads to infinite regress. // ScavengedReg = SReg; - ScavengedRC = RC; DEBUG(dbgs() << "Scavenged register (with spill): " << TRI->getName(SReg) << "\n"); |