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Cleanup: Simplify loop end logic in computeRegisterProperties().

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168507 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Patrik Hägglund 2012-11-23 08:35:04 +00:00
parent e84b47e41c
commit d5f03186e5
1 changed files with 4 additions and 5 deletions
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9
lib/CodeGen/SelectionDAG/TargetLowering.cpp
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@ -758,14 +758,13 @@ void TargetLowering::computeRegisterProperties() {
// Every integer value type larger than this largest register takes twice as
// many registers to represent as the previous ValueType.
for (unsigned ExpandedReg = LargestIntReg + 1; ; ++ExpandedReg) {
EVT ExpandedVT = (MVT::SimpleValueType)ExpandedReg;
if (!ExpandedVT.isInteger())
break;
for (unsigned ExpandedReg = LargestIntReg + 1;
ExpandedReg <= MVT::LAST_INTEGER_VALUETYPE; ++ExpandedReg) {
NumRegistersForVT[ExpandedReg] = 2*NumRegistersForVT[ExpandedReg-1];
RegisterTypeForVT[ExpandedReg] = (MVT::SimpleValueType)LargestIntReg;
TransformToType[ExpandedReg] = (MVT::SimpleValueType)(ExpandedReg - 1);
ValueTypeActions.setTypeAction(ExpandedVT, TypeExpandInteger);
ValueTypeActions.setTypeAction((MVT::SimpleValueType)ExpandedReg,
TypeExpandInteger);
}
// Inspect all of the ValueType's smaller than the largest integer