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Remove an argument-less call to getSubtargetImpl from TargetLoweringBase.

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This required plumbing a TargetRegisterInfo through computeRegisterProperties
and into findRepresentativeClass which uses it for register class
iteration. This required passing a subtarget into a few target specific
initializations of TargetLowering.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230583 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2015-02-26 00:00:24 +00:00
parent e9a49d61ac
commit a01bc6a59f
23 changed files with 48 additions and 40 deletions
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12
lib/CodeGen/TargetLoweringBase.cpp
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@ -1144,10 +1144,9 @@ TargetLoweringBase::emitPatchPoint(MachineInstr *MI,
/// findRepresentativeClass - Return the largest legal super-reg register class
/// of the register class for the specified type and its associated "cost".
std::pair<const TargetRegisterClass*, uint8_t>
TargetLoweringBase::findRepresentativeClass(MVT VT) const {
const TargetRegisterInfo *TRI =
getTargetMachine().getSubtargetImpl()->getRegisterInfo();
std::pair<const TargetRegisterClass *, uint8_t>
TargetLoweringBase::findRepresentativeClass(const TargetRegisterInfo *TRI,
MVT VT) const {
const TargetRegisterClass *RC = RegClassForVT[VT.SimpleTy];
if (!RC)
return std::make_pair(RC, 0);
@ -1173,7 +1172,8 @@ TargetLoweringBase::findRepresentativeClass(MVT VT) const {
/// computeRegisterProperties - Once all of the register classes are added,
/// this allows us to compute derived properties we expose.
void TargetLoweringBase::computeRegisterProperties() {
void TargetLoweringBase::computeRegisterProperties(
const TargetRegisterInfo *TRI) {
static_assert(MVT::LAST_VALUETYPE <= MVT::MAX_ALLOWED_VALUETYPE,
"Too many value types for ValueTypeActions to hold!");
@ -1355,7 +1355,7 @@ void TargetLoweringBase::computeRegisterProperties() {
for (unsigned i = 0; i != MVT::LAST_VALUETYPE; ++i) {
const TargetRegisterClass* RRC;
uint8_t Cost;
std::tie(RRC, Cost) = findRepresentativeClass((MVT::SimpleValueType)i);
std::tie(RRC, Cost) = findRepresentativeClass(TRI, (MVT::SimpleValueType)i);
RepRegClassForVT[i] = RRC;
RepRegClassCostForVT[i] = Cost;
}