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Remove ScavengedRC from RegisterScavenging

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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
This commit is contained in:
Hal Finkel
2013-03-22 07:27:44 +00:00
parent c204410d6b
commit 9b294d4056
2 changed files with 1 additions and 8 deletions
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3
lib/CodeGen/RegisterScavenging.cpp
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@@ -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");