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Diffstat (limited to 'lib/CodeGen/TargetRegisterInfo.cpp')
-rw-r--r--lib/CodeGen/TargetRegisterInfo.cpp14
1 files changed, 7 insertions, 7 deletions
diff --git a/lib/CodeGen/TargetRegisterInfo.cpp b/lib/CodeGen/TargetRegisterInfo.cpp
index 5a15243..a3a4fb3 100644
--- a/lib/CodeGen/TargetRegisterInfo.cpp
+++ b/lib/CodeGen/TargetRegisterInfo.cpp
@@ -101,7 +101,7 @@ TargetRegisterInfo::getAllocatableClass(const TargetRegisterClass *RC) const {
Idx += Offset + 1;
}
}
- return NULL;
+ return nullptr;
}
/// getMinimalPhysRegClass - Returns the Register Class of a physical
@@ -113,7 +113,7 @@ TargetRegisterInfo::getMinimalPhysRegClass(unsigned reg, EVT VT) const {
// Pick the most sub register class of the right type that contains
// this physreg.
- const TargetRegisterClass* BestRC = 0;
+ const TargetRegisterClass* BestRC = nullptr;
for (regclass_iterator I = regclass_begin(), E = regclass_end(); I != E; ++I){
const TargetRegisterClass* RC = *I;
if ((VT == MVT::Other || RC->hasType(VT)) && RC->contains(reg) &&
@@ -130,7 +130,7 @@ TargetRegisterInfo::getMinimalPhysRegClass(unsigned reg, EVT VT) const {
static void getAllocatableSetForRC(const MachineFunction &MF,
const TargetRegisterClass *RC, BitVector &R){
assert(RC->isAllocatable() && "invalid for nonallocatable sets");
- ArrayRef<uint16_t> Order = RC->getRawAllocationOrder(MF);
+ ArrayRef<MCPhysReg> Order = RC->getRawAllocationOrder(MF);
for (unsigned i = 0; i != Order.size(); ++i)
R.set(Order[i]);
}
@@ -164,7 +164,7 @@ const TargetRegisterClass *firstCommonClass(const uint32_t *A,
for (unsigned I = 0, E = TRI->getNumRegClasses(); I < E; I += 32)
if (unsigned Common = *A++ & *B++)
return TRI->getRegClass(I + countTrailingZeros(Common));
- return 0;
+ return nullptr;
}
const TargetRegisterClass *
@@ -174,7 +174,7 @@ TargetRegisterInfo::getCommonSubClass(const TargetRegisterClass *A,
if (A == B)
return A;
if (!A || !B)
- return 0;
+ return nullptr;
// Register classes are ordered topologically, so the largest common
// sub-class it the common sub-class with the smallest ID.
@@ -194,7 +194,7 @@ TargetRegisterInfo::getMatchingSuperRegClass(const TargetRegisterClass *A,
// The bit mask contains all register classes that are projected into B
// by Idx. Find a class that is also a sub-class of A.
return firstCommonClass(RCI.getMask(), A->getSubClassMask(), this);
- return 0;
+ return nullptr;
}
const TargetRegisterClass *TargetRegisterInfo::
@@ -215,7 +215,7 @@ getCommonSuperRegClass(const TargetRegisterClass *RCA, unsigned SubA,
// Arrange for RCA to be the larger register so the answer will be found in
// the first iteration. This makes the search linear for the most common
// case.
- const TargetRegisterClass *BestRC = 0;
+ const TargetRegisterClass *BestRC = nullptr;
unsigned *BestPreA = &PreA;
unsigned *BestPreB = &PreB;
if (RCA->getSize() < RCB->getSize()) {