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[mips] Do not use function CC_MipsN_VarArg unless the function being analyzed

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is a vararg function.

The original code was examining flag OutputArg::IsFixed to determine whether
CC_MipsN_VarArg or CC_MipsN should be called. This is not correct, since this
flag is often set to false when the function being analyzed is a non-variadic
function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174442 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Akira Hatanaka
2013-02-05 21:18:11 +00:00
parent dd3aa9eab2
commit baabdecbb9
2 changed files with 15 additions and 1 deletions
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2
lib/Target/Mips/MipsISelLowering.cpp
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@@ -3793,7 +3793,7 @@ MipsTargetLowering::MipsCC::MipsCC(CallingConv::ID CallConv, bool IsVarArg,
IntArgRegs = Mips64IntRegs;
ShadowRegs = Mips64DPRegs;
FixedFn = CC_MipsN;
VarFn = CC_MipsN_VarArg;
VarFn = IsVarArg ? CC_MipsN_VarArg : CC_MipsN;
}
if (CallConv == CallingConv::Fast) {