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Revert r221056 and others, "[mips] Move F128 argument handling into MipsCCState as we did for returns. NFC."

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r221056 "[mips] Move F128 argument handling into MipsCCState as we did for returns. NFC."
  r221058 "[mips] Fix unused variable warning introduced in r221056"
  r221059 "[mips] Move all ByVal handling into CCState and tablegen-erated code. NFC."
  r221061 "Renamed CCState members that appear to misspell 'Processed' as 'Proceed'. NFC."

It cuased an undefined behavior in LLVM :: CodeGen/Mips/return-vector.ll.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221081 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
NAKAMURA Takumi
2014-11-02 04:43:54 +00:00
parent 7f0ed39af9
commit 1808f3e89a
10 changed files with 175 additions and 246 deletions
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9
lib/Target/Mips/MipsSEISelLowering.cpp
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@@ -1167,14 +1167,15 @@ MipsSETargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
}
}
bool MipsSETargetLowering::isEligibleForTailCallOptimization(
const CCState &CCInfo, unsigned NextStackOffset,
const MipsFunctionInfo &FI) const {
bool MipsSETargetLowering::
isEligibleForTailCallOptimization(const MipsCC &MipsCCInfo,
unsigned NextStackOffset,
const MipsFunctionInfo& FI) const {
if (!EnableMipsTailCalls)
return false;
// Return false if either the callee or caller has a byval argument.
if (CCInfo.getInRegsParamsCount() > 0 || FI.hasByvalArg())
if (MipsCCInfo.hasByValArg() || FI.hasByvalArg())
return false;
// Return true if the callee's argument area is no larger than the