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X86-Windows: Emit an undefined global __fltused symbol when targeting Windows

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if any floating point arguments are passed to an external function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116665 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael J. Spencer
2010-10-16 08:25:41 +00:00
parent e70c526d59
commit 84ac4d5a2a
5 changed files with 60 additions and 2 deletions
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3
lib/CodeGen/MachineModuleInfo.cpp
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@ -256,7 +256,8 @@ void MMIAddrLabelMapCallbackPtr::allUsesReplacedWith(Value *V2) {
MachineModuleInfo::MachineModuleInfo(const MCAsmInfo &MAI)
: ImmutablePass(ID), Context(MAI),
ObjFileMMI(0),
CurCallSite(0), CallsEHReturn(0), CallsUnwindInit(0), DbgInfoAvailable(false){
CurCallSite(0), CallsEHReturn(0), CallsUnwindInit(0), DbgInfoAvailable(false),
CallsExternalFunctionWithFloatingPointArguments(false) {
// Always emit some info, by default "no personality" info.
Personalities.push_back(NULL);
AddrLabelSymbols = 0;