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Trim includes.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136218 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Frits van Bommel 2011-07-27 15:20:06 +00:00
parent 0da49df0b1
commit a09d514b29
1 changed files with 11 additions and 12 deletions
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23
lib/Support/ConstantRange.cpp
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@ -21,11 +21,10 @@
// //
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
#include "llvm/Constants.h" #include "llvm/InstrTypes.h"
#include "llvm/Support/ConstantRange.h" #include "llvm/Support/ConstantRange.h"
#include "llvm/Support/Debug.h" #include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h" #include "llvm/Support/raw_ostream.h"
#include "llvm/Instructions.h"
using namespace llvm; using namespace llvm;
/// Initialize a full (the default) or empty set for the specified type. /// Initialize a full (the default) or empty set for the specified type.
@ -57,55 +56,55 @@ ConstantRange ConstantRange::makeICmpRegion(unsigned Pred,
uint32_t W = CR.getBitWidth(); uint32_t W = CR.getBitWidth();
switch (Pred) { switch (Pred) {
default: assert(!"Invalid ICmp predicate to makeICmpRegion()"); default: assert(!"Invalid ICmp predicate to makeICmpRegion()");
case ICmpInst::ICMP_EQ: case CmpInst::ICMP_EQ:
return CR; return CR;
case ICmpInst::ICMP_NE: case CmpInst::ICMP_NE:
if (CR.isSingleElement()) if (CR.isSingleElement())
return ConstantRange(CR.getUpper(), CR.getLower()); return ConstantRange(CR.getUpper(), CR.getLower());
return ConstantRange(W); return ConstantRange(W);
case ICmpInst::ICMP_ULT: { case CmpInst::ICMP_ULT: {
APInt UMax(CR.getUnsignedMax()); APInt UMax(CR.getUnsignedMax());
if (UMax.isMinValue()) if (UMax.isMinValue())
return ConstantRange(W, /* empty */ false); return ConstantRange(W, /* empty */ false);
return ConstantRange(APInt::getMinValue(W), UMax); return ConstantRange(APInt::getMinValue(W), UMax);
} }
case ICmpInst::ICMP_SLT: { case CmpInst::ICMP_SLT: {
APInt SMax(CR.getSignedMax()); APInt SMax(CR.getSignedMax());
if (SMax.isMinSignedValue()) if (SMax.isMinSignedValue())
return ConstantRange(W, /* empty */ false); return ConstantRange(W, /* empty */ false);
return ConstantRange(APInt::getSignedMinValue(W), SMax); return ConstantRange(APInt::getSignedMinValue(W), SMax);
} }
case ICmpInst::ICMP_ULE: { case CmpInst::ICMP_ULE: {
APInt UMax(CR.getUnsignedMax()); APInt UMax(CR.getUnsignedMax());
if (UMax.isMaxValue()) if (UMax.isMaxValue())
return ConstantRange(W); return ConstantRange(W);
return ConstantRange(APInt::getMinValue(W), UMax + 1); return ConstantRange(APInt::getMinValue(W), UMax + 1);
} }
case ICmpInst::ICMP_SLE: { case CmpInst::ICMP_SLE: {
APInt SMax(CR.getSignedMax()); APInt SMax(CR.getSignedMax());
if (SMax.isMaxSignedValue()) if (SMax.isMaxSignedValue())
return ConstantRange(W); return ConstantRange(W);
return ConstantRange(APInt::getSignedMinValue(W), SMax + 1); return ConstantRange(APInt::getSignedMinValue(W), SMax + 1);
} }
case ICmpInst::ICMP_UGT: { case CmpInst::ICMP_UGT: {
APInt UMin(CR.getUnsignedMin()); APInt UMin(CR.getUnsignedMin());
if (UMin.isMaxValue()) if (UMin.isMaxValue())
return ConstantRange(W, /* empty */ false); return ConstantRange(W, /* empty */ false);
return ConstantRange(UMin + 1, APInt::getNullValue(W)); return ConstantRange(UMin + 1, APInt::getNullValue(W));
} }
case ICmpInst::ICMP_SGT: { case CmpInst::ICMP_SGT: {
APInt SMin(CR.getSignedMin()); APInt SMin(CR.getSignedMin());
if (SMin.isMaxSignedValue()) if (SMin.isMaxSignedValue())
return ConstantRange(W, /* empty */ false); return ConstantRange(W, /* empty */ false);
return ConstantRange(SMin + 1, APInt::getSignedMinValue(W)); return ConstantRange(SMin + 1, APInt::getSignedMinValue(W));
} }
case ICmpInst::ICMP_UGE: { case CmpInst::ICMP_UGE: {
APInt UMin(CR.getUnsignedMin()); APInt UMin(CR.getUnsignedMin());
if (UMin.isMinValue()) if (UMin.isMinValue())
return ConstantRange(W); return ConstantRange(W);
return ConstantRange(UMin, APInt::getNullValue(W)); return ConstantRange(UMin, APInt::getNullValue(W));
} }
case ICmpInst::ICMP_SGE: { case CmpInst::ICMP_SGE: {
APInt SMin(CR.getSignedMin()); APInt SMin(CR.getSignedMin());
if (SMin.isMinSignedValue()) if (SMin.isMinSignedValue())
return ConstantRange(W); return ConstantRange(W);