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At the beginning of doFinalization set the MachineFunction to

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nullptr so that users get an earlier dereferencing error and
so that we can use it to conditionalize access to MachineFunction
specific data.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232820 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2015-03-20 16:03:39 +00:00
parent dda7fcbd99
commit abc546afd1
1 changed files with 5 additions and 0 deletions
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5
lib/CodeGen/AsmPrinter/AsmPrinter.cpp
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@ -1004,6 +1004,11 @@ void AsmPrinter::emitGlobalGOTEquivs() {
}
bool AsmPrinter::doFinalization(Module &M) {
// Set the MachineFunction to nullptr so that we can catch attempted
// accesses to MF specific features at the module level and so that
// we can conditionalize accesses based on whether or not it is nullptr.
MF = nullptr;
// Gather all GOT equivalent globals in the module. We really need two
// passes over the globals: one to compute and another to avoid its emission
// in EmitGlobalVariable, otherwise we would not be able to handle cases