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Code Issues Projects Releases Wiki Activity

Implement function prefix data as an IR feature.

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Previous discussion:
http://lists.cs.uiuc.edu/pipermail/llvmdev/2013-July/063909.html

Differential Revision: http://llvm-reviews.chandlerc.com/D1191

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190773 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Peter Collingbourne
2013-09-16 01:08:15 +00:00
parent fabfb5d588
commit 1e3037f0be
20 changed files with 213 additions and 13 deletions
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lib/Bitcode/Writer/BitcodeWriter.cpp
+5 -1
View File
@@ -632,7 +632,7 @@ static void WriteModuleInfo(const Module *M, const ValueEnumerator &VE,
// Emit the function proto information.
for (Module::const_iterator F = M->begin(), E = M->end(); F != E; ++F) {
// FUNCTION: [type, callingconv, isproto, linkage, paramattrs, alignment,
// section, visibility, gc, unnamed_addr]
// section, visibility, gc, unnamed_addr, prefix]
Vals.push_back(VE.getTypeID(F->getType()));
Vals.push_back(F->getCallingConv());
Vals.push_back(F->isDeclaration());
@@ -643,6 +643,8 @@ static void WriteModuleInfo(const Module *M, const ValueEnumerator &VE,
Vals.push_back(getEncodedVisibility(F));
Vals.push_back(F->hasGC() ? GCMap[F->getGC()] : 0);
Vals.push_back(F->hasUnnamedAddr());
Vals.push_back(F->hasPrefixData() ? (VE.getValueID(F->getPrefixData()) + 1)
: 0);
unsigned AbbrevToUse = 0;
Stream.EmitRecord(bitc::MODULE_CODE_FUNCTION, Vals, AbbrevToUse);
@@ -1863,6 +1865,8 @@ static void WriteModuleUseLists(const Module *M, ValueEnumerator &VE,
WriteUseList(FI, VE, Stream);
if (!FI->isDeclaration())
WriteFunctionUseList(FI, VE, Stream);
if (FI->hasPrefixData())
WriteUseList(FI->getPrefixData(), VE, Stream);
}
// Write the aliases.
lib/Bitcode/Writer/ValueEnumerator.cpp
+5
View File
@@ -60,6 +60,11 @@ ValueEnumerator::ValueEnumerator(const Module *M) {
I != E; ++I)
EnumerateValue(I->getAliasee());
// Enumerate the prefix data constants.
for (Module::const_iterator I = M->begin(), E = M->end(); I != E; ++I)
if (I->hasPrefixData())
EnumerateValue(I->getPrefixData());
// Insert constants and metadata that are named at module level into the slot
// pool so that the module symbol table can refer to them...
EnumerateValueSymbolTable(M->getValueSymbolTable());