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[pr19844] Add thread local mode to aliases.

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This matches gcc's behavior. It also seems natural given that aliases
contain other properties that govern how it is accessed (linkage,
visibility, dll storage).

Clang still has to be updated to expose this feature to C.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209759 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2014-05-28 18:15:43 +00:00
parent a5423f2598
commit 665d42accf
18 changed files with 143 additions and 111 deletions
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4
lib/Bitcode/Writer/BitcodeWriter.cpp
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@ -511,7 +511,7 @@ static unsigned getEncodedDLLStorageClass(const GlobalValue &GV) {
llvm_unreachable("Invalid DLL storage class");
}
static unsigned getEncodedThreadLocalMode(const GlobalVariable &GV) {
static unsigned getEncodedThreadLocalMode(const GlobalValue &GV) {
switch (GV.getThreadLocalMode()) {
case GlobalVariable::NotThreadLocal: return 0;
case GlobalVariable::GeneralDynamicTLSModel: return 1;
@ -668,6 +668,8 @@ static void WriteModuleInfo(const Module *M, const ValueEnumerator &VE,
Vals.push_back(getEncodedLinkage(A));
Vals.push_back(getEncodedVisibility(A));
Vals.push_back(getEncodedDLLStorageClass(A));
if (A.isThreadLocal())
Vals.push_back(getEncodedThreadLocalMode(A));
unsigned AbbrevToUse = 0;
Stream.EmitRecord(bitc::MODULE_CODE_ALIAS, Vals, AbbrevToUse);
Vals.clear();