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Allow creating llvm::Function in non-zero address spaces

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Most users won't have to worry about this as all of the
'getOrInsertFunction' functions on Module will default to the program
address space.

An overload has been added to Function::Create to abstract away the
details for most callers.

This is based on https://reviews.llvm.org/D37054 but without the changes to
make passing a Module to Function::Create() mandatory. I have also added
some more tests and fixed the LLParser to accept call instructions for
types in the program address space.

Reviewed By: bjope

Differential Revision: https://reviews.llvm.org/D47541

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@340519 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alexander Richardson
2018-08-23 09:25:17 +00:00
parent 286f6b5473
commit 47ff67b78d
23 changed files with 369 additions and 119 deletions
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10
lib/Bitcode/Reader/BitcodeReader.cpp
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@@ -2938,7 +2938,7 @@ Error BitcodeReader::parseGlobalVarRecord(ArrayRef<uint64_t> Record) {
Error BitcodeReader::parseFunctionRecord(ArrayRef<uint64_t> Record) {
// v1: [type, callingconv, isproto, linkage, paramattr, alignment, section,
// visibility, gc, unnamed_addr, prologuedata, dllstorageclass, comdat,
// prefixdata, personalityfn, preemption specifier] (name in VST)
// prefixdata, personalityfn, preemption specifier, addrspace] (name in VST)
// v2: [strtab_offset, strtab_size, v1]
StringRef Name;
std::tie(Name, Record) = readNameFromStrtab(Record);
@@ -2957,8 +2957,12 @@ Error BitcodeReader::parseFunctionRecord(ArrayRef<uint64_t> Record) {
if (CC & ~CallingConv::MaxID)
return error("Invalid calling convention ID");
Function *Func =
Function::Create(FTy, GlobalValue::ExternalLinkage, Name, TheModule);
unsigned AddrSpace = TheModule->getDataLayout().getProgramAddressSpace();
if (Record.size() > 16)
AddrSpace = Record[16];
Function *Func = Function::Create(FTy, GlobalValue::ExternalLinkage,
AddrSpace, Name, TheModule);
Func->setCallingConv(CC);
bool isProto = Record[2];