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Fix a bug in the bc reader/writer: we were not correctly encoding varargs

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nonccc calls (we were dropping the CC and tail flag).  This broke several
FORTRAN programs.

Testcase here: Regression/Assembler/2006-05-26-VarargsCallEncode.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28501 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2006-05-26 18:42:34 +00:00
parent e812d1133b
commit a65371ea25
2 changed files with 19 additions and 9 deletions
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17
lib/Bytecode/Reader/Reader.cpp
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@ -830,7 +830,15 @@ void BytecodeReader::ParseInstruction(std::vector<unsigned> &Oprnds,
if (Opcode == 61 || Opcode == 59)
isTailCall = true;
if (Opcode == 58) {
isTailCall = Oprnds.back() & 1;
CallingConv = Oprnds.back() >> 1;
Oprnds.pop_back();
} else if (Opcode == 59 || Opcode == 60) {
CallingConv = CallingConv::Fast;
}
// Check to make sure we have a pointer to function type
const PointerType *PTy = dyn_cast<PointerType>(F->getType());
if (PTy == 0) error("Call to non function pointer value!");
@ -841,13 +849,6 @@ void BytecodeReader::ParseInstruction(std::vector<unsigned> &Oprnds,
if (!FTy->isVarArg()) {
FunctionType::param_iterator It = FTy->param_begin();
if (Opcode == 58) {
isTailCall = Oprnds.back() & 1;
CallingConv = Oprnds.back() >> 1;
Oprnds.pop_back();
} else if (Opcode == 59 || Opcode == 60)
CallingConv = CallingConv::Fast;
for (unsigned i = 1, e = Oprnds.size(); i != e; ++i) {
if (It == FTy->param_end())
error("Invalid call instruction!");