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Remove the remaining uses of abs64 and nuke it.

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std::abs works just fine and we're already using it in many places. NFC intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231696 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2015-03-09 20:20:16 +00:00
parent d2c1ecfc9f
commit 5e261ee7b0
7 changed files with 12 additions and 19 deletions
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7
include/llvm/Support/MathExtras.h
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@ -604,13 +604,6 @@ inline uint64_t OffsetToAlignment(uint64_t Value, uint64_t Align) {
return RoundUpToAlignment(Value, Align) - Value;
}
/// abs64 - absolute value of a 64-bit int. Not all environments support
/// "abs" on whatever their name for the 64-bit int type is. The absolute
/// value of the largest negative number is undefined, as with "abs".
inline int64_t abs64(int64_t x) {
return (x < 0) ? -x : x;
}
/// SignExtend32 - Sign extend B-bit number x to 32-bit int.
/// Usage int32_t r = SignExtend32<5>(x);
template <unsigned B> inline int32_t SignExtend32(uint32_t x) {

6
lib/Target/ARM/ARMISelLowering.cpp
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@ -10310,9 +10310,9 @@ bool ARMTargetLowering::isLegalAddressingMode(const AddrMode &AM,
bool ARMTargetLowering::isLegalICmpImmediate(int64_t Imm) const {
// Thumb2 and ARM modes can use cmn for negative immediates.
if (!Subtarget->isThumb())
return ARM_AM::getSOImmVal(llvm::abs64(Imm)) != -1;
return ARM_AM::getSOImmVal(std::abs(Imm)) != -1;
if (Subtarget->isThumb2())
return ARM_AM::getT2SOImmVal(llvm::abs64(Imm)) != -1;
return ARM_AM::getT2SOImmVal(std::abs(Imm)) != -1;
// Thumb1 doesn't have cmn, and only 8-bit immediates.
return Imm >= 0 && Imm <= 255;
}
@ -10323,7 +10323,7 @@ bool ARMTargetLowering::isLegalICmpImmediate(int64_t Imm) const {
/// immediate into a register.
bool ARMTargetLowering::isLegalAddImmediate(int64_t Imm) const {
// Same encoding for add/sub, just flip the sign.
int64_t AbsImm = llvm::abs64(Imm);
int64_t AbsImm = std::abs(Imm);
if (!Subtarget->isThumb())
return ARM_AM::getSOImmVal(AbsImm) != -1;
if (Subtarget->isThumb2())

2
lib/Target/Hexagon/HexagonHardwareLoops.cpp
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@ -690,7 +690,7 @@ CountValue *HexagonHardwareLoops::computeCount(MachineLoop *Loop,
// If the induction variable bump is not a power of 2, quit.
// Othwerise we'd need a general integer division.
if (!isPowerOf2_64(abs64(IVBump)))
if (!isPowerOf2_64(std::abs(IVBump)))
return nullptr;
MachineBasicBlock *PH = Loop->getLoopPreheader();

2
lib/Target/PowerPC/PPCLoopDataPrefetch.cpp
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@ -192,7 +192,7 @@ bool PPCLoopDataPrefetch::runOnLoop(Loop *L) {
const SCEV *PtrDiff = SE->getMinusSCEV(LSCEVAddRec, K->second);
if (const SCEVConstant *ConstPtrDiff =
dyn_cast<SCEVConstant>(PtrDiff)) {
int64_t PD = abs64(ConstPtrDiff->getValue()->getSExtValue());
int64_t PD = std::abs(ConstPtrDiff->getValue()->getSExtValue());
if (PD < (int64_t) CacheLineSize) {
DupPref = true;
break;

2
lib/Transforms/Scalar/AlignmentFromAssumptions.cpp
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@ -124,7 +124,7 @@ static unsigned getNewAlignmentDiff(const SCEV *DiffSCEV,
// If the displacement is not an exact multiple, but the remainder is a
// constant, then return this remainder (but only if it is a power of 2).
uint64_t DiffUnitsAbs = abs64(DiffUnits);
uint64_t DiffUnitsAbs = std::abs(DiffUnits);
if (isPowerOf2_64(DiffUnitsAbs))
return (unsigned) DiffUnitsAbs;
}

4
lib/Transforms/Scalar/LoopStrengthReduce.cpp
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@ -3825,7 +3825,7 @@ void LSRInstance::GenerateCrossUseConstantOffsets() {
if (C->getValue()->isNegative() !=
(NewF.BaseOffset < 0) &&
(C->getValue()->getValue().abs() * APInt(BitWidth, F.Scale))
.ule(abs64(NewF.BaseOffset)))
.ule(std::abs(NewF.BaseOffset)))
continue;
// OK, looks good.
@ -3856,7 +3856,7 @@ void LSRInstance::GenerateCrossUseConstantOffsets() {
J != JE; ++J)
if (const SCEVConstant *C = dyn_cast<SCEVConstant>(*J))
if ((C->getValue()->getValue() + NewF.BaseOffset).abs().slt(
abs64(NewF.BaseOffset)) &&
std::abs(NewF.BaseOffset)) &&
(C->getValue()->getValue() +
NewF.BaseOffset).countTrailingZeros() >=
countTrailingZeros<uint64_t>(NewF.BaseOffset))

8
lib/Transforms/Vectorize/BBVectorize.cpp
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@ -649,11 +649,11 @@ namespace {
if (VTy != VTy2 && Offset < 0) {
int64_t VTy2TSS = (int64_t) DL->getTypeStoreSize(VTy2);
OffsetInElmts = Offset/VTy2TSS;
return (abs64(Offset) % VTy2TSS) == 0;
return (std::abs(Offset) % VTy2TSS) == 0;
}
OffsetInElmts = Offset/VTyTSS;
return (abs64(Offset) % VTyTSS) == 0;
return (std::abs(Offset) % VTyTSS) == 0;
}
return false;
@ -984,8 +984,8 @@ namespace {
unsigned IAlignment, JAlignment, IAddressSpace, JAddressSpace;
int64_t OffsetInElmts = 0;
if (getPairPtrInfo(I, J, IPtr, JPtr, IAlignment, JAlignment,
IAddressSpace, JAddressSpace,
OffsetInElmts) && abs64(OffsetInElmts) == 1) {
IAddressSpace, JAddressSpace, OffsetInElmts) &&
std::abs(OffsetInElmts) == 1) {
FixedOrder = (int) OffsetInElmts;
unsigned BottomAlignment = IAlignment;
if (OffsetInElmts < 0) BottomAlignment = JAlignment;