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Remove mustSaveAcrossCalls flag, which isn't ever read, and its mutator,

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markForSaveAcrossCalls.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15317 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Brian Gaeke 2004-07-29 04:15:36 +00:00
parent acb7444b05
commit fc63adb1b9
2 changed files with 1 additions and 10 deletions
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9
lib/Target/SparcV9/RegAlloc/LiveRange.h
View File

@ -40,11 +40,6 @@ class LiveRange : public ValueSet {
int Color; // color assigned to this live range
bool mustSpill; // whether this LR must be spilt
/// mustSaveAcrossCalls - whether this LR must be saved accross calls
/// ***TODO REMOVE this
///
bool mustSaveAcrossCalls;
/// SuggestedColor - if this LR has a suggested color, can it be
/// really alloated? A suggested color cannot be allocated when the
/// suggested color is volatile and when there are call
@ -77,7 +72,7 @@ class LiveRange : public ValueSet {
public:
LiveRange() {
Color = SuggestedColor = -1; // not yet colored
mustSpill = mustSaveAcrossCalls = false;
mustSpill = false;
MyRegClass = 0;
UserIGNode = 0;
doesSpanAcrossCalls = false;
@ -133,8 +128,6 @@ public:
return SpilledStackOffsetFromFP;
}
inline void markForSaveAcrossCalls() { mustSaveAcrossCalls = true; }
inline void setUserIGNode(IGNode *IGN) {
assert(!UserIGNode); UserIGNode = IGN;
}

2
lib/Target/SparcV9/SparcV9RegClassInfo.cpp
View File

@ -113,7 +113,6 @@ void SparcV9IntRegClass::colorIGNode(IGNode * Node,
// get the live range corresponding to live var
// since LR span across calls, must save across calls
//
LR->markForSaveAcrossCalls();
if (DEBUG_RA)
std::cerr << "\n Colored after SECOND search with col " << c;
}
@ -306,7 +305,6 @@ void SparcV9FloatRegClass::colorIGNode(IGNode * Node,
if (ColorFound >= 0) {
LR->setColor(ColorFound); // first color found in preferred order
LR->markForSaveAcrossCalls();
} else {
// we are here because no color could be found
LR->markForSpill(); // no color found - must spill