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Remove mustSaveAcrossCalls flag, which isn't ever read, and its mutator,
markForSaveAcrossCalls. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15317 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -40,11 +40,6 @@ class LiveRange : public ValueSet {
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int Color; // color assigned to this live range
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bool mustSpill; // whether this LR must be spilt
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/// mustSaveAcrossCalls - whether this LR must be saved accross calls
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/// ***TODO REMOVE this
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///
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bool mustSaveAcrossCalls;
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/// SuggestedColor - if this LR has a suggested color, can it be
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/// really alloated? A suggested color cannot be allocated when the
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/// suggested color is volatile and when there are call
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@ -77,7 +72,7 @@ class LiveRange : public ValueSet {
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public:
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LiveRange() {
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Color = SuggestedColor = -1; // not yet colored
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mustSpill = mustSaveAcrossCalls = false;
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mustSpill = false;
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MyRegClass = 0;
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UserIGNode = 0;
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doesSpanAcrossCalls = false;
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@ -133,8 +128,6 @@ public:
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return SpilledStackOffsetFromFP;
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}
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inline void markForSaveAcrossCalls() { mustSaveAcrossCalls = true; }
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inline void setUserIGNode(IGNode *IGN) {
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assert(!UserIGNode); UserIGNode = IGN;
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}
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@ -113,7 +113,6 @@ void SparcV9IntRegClass::colorIGNode(IGNode * Node,
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// get the live range corresponding to live var
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// since LR span across calls, must save across calls
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//
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LR->markForSaveAcrossCalls();
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if (DEBUG_RA)
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std::cerr << "\n Colored after SECOND search with col " << c;
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}
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@ -306,7 +305,6 @@ void SparcV9FloatRegClass::colorIGNode(IGNode * Node,
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if (ColorFound >= 0) {
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LR->setColor(ColorFound); // first color found in preferred order
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LR->markForSaveAcrossCalls();
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} else {
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// we are here because no color could be found
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LR->markForSpill(); // no color found - must spill
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