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remove some unneeded errorhandling stuff.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100703 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-04-07 22:44:07 +00:00
parent f88c856a47
commit 1ca6531e2e
2 changed files with 20 additions and 16 deletions
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10
include/llvm/CodeGen/SlotIndexes.h
View File

@ -28,7 +28,6 @@
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/Support/Allocator.h"
#include "llvm/Support/ErrorHandling.h"
namespace llvm {
@ -37,8 +36,6 @@ namespace llvm {
/// SlotIndex & SlotIndexes classes for the public interface to this
/// information.
class IndexListEntry {
private:
static const unsigned EMPTY_KEY_INDEX = ~0U & ~3U,
TOMBSTONE_KEY_INDEX = ~0U & ~7U;
@ -66,10 +63,9 @@ namespace llvm {
public:
IndexListEntry(MachineInstr *mi, unsigned index) : mi(mi), index(index) {
if (index == EMPTY_KEY_INDEX || index == TOMBSTONE_KEY_INDEX) {
llvm_report_error("Attempt to create invalid index. "
"Available indexes may have been exhausted?.");
}
assert(index != EMPTY_KEY_INDEX && index != TOMBSTONE_KEY_INDEX &&
"Attempt to create invalid index. "
"Available indexes may have been exhausted?.");
}
bool isValid() const {

26
lib/CodeGen/Spiller.cpp
View File

@ -46,7 +46,6 @@ namespace {
/// Utility class for spillers.
class SpillerBase : public Spiller {
protected:
MachineFunction *mf;
LiveIntervals *lis;
MachineFrameInfo *mfi;
@ -160,9 +159,11 @@ protected:
return added;
}
};
} // end anonymous namespace
namespace {
/// Spills any live range using the spill-everywhere method with no attempt at
/// folding.
@ -178,9 +179,12 @@ public:
// Ignore spillIs - we don't use it.
return trivialSpillEverywhere(li);
}
};
} // end anonymous namespace
namespace {
/// Falls back on LiveIntervals::addIntervalsForSpills.
class StandardSpiller : public Spiller {
protected:
@ -198,9 +202,12 @@ public:
SlotIndex*) {
return lis->addIntervalsForSpills(*li, spillIs, loopInfo, *vrm);
}
};
} // end anonymous namespace
namespace {
/// When a call to spill is placed this spiller will first try to break the
/// interval up into its component values (one new interval per value).
/// If this fails, or if a call is placed to spill a previously split interval
@ -513,15 +520,16 @@ private:
};
}
} // end anonymous namespace
llvm::Spiller* llvm::createSpiller(MachineFunction *mf, LiveIntervals *lis,
const MachineLoopInfo *loopInfo,
VirtRegMap *vrm) {
switch (spillerOpt) {
case trivial: return new TrivialSpiller(mf, lis, vrm); break;
case standard: return new StandardSpiller(lis, loopInfo, vrm); break;
case splitting: return new SplittingSpiller(mf, lis, loopInfo, vrm); break;
default: llvm_unreachable("Unreachable!"); break;
default: assert(0 && "unknown spiller");
case trivial: return new TrivialSpiller(mf, lis, vrm);
case standard: return new StandardSpiller(lis, loopInfo, vrm);
case splitting: return new SplittingSpiller(mf, lis, loopInfo, vrm);
}
}