================
@@ -1070,13 +1084,20 @@
CodeGenFunction::GenerateCXXGlobalInitFunc(llvm::Function *Fn,
// Mark as initialized before initializing anything else. If the
// initializers use previously-initialized thread_local vars, that's
// probably supposed to be OK, but the standard doesn't say.
- Builder.CreateStore(llvm::ConstantInt::get(GuardVal->getType(),1),
Guard);
-
- // The guard variable can't ever change again.
+ // Get the thread-local address via intrinsic.
+ if (IsTLS)
+ GuardAddr = GuardAddr.withPointer(
+ Builder.CreateThreadLocalAddress(Guard.getPointer()),
+ NotKnownNonNull);
+ Builder.CreateStore(llvm::ConstantInt::get(GuardVal->getType(), 1),
+ GuardAddr);
+
+ // Emit invariant start for TLS guard address.
EmitInvariantStart(
Guard.getPointer(),
CharUnits::fromQuantity(
- CGM.getDataLayout().getTypeAllocSize(GuardVal->getType())));
+ CGM.getDataLayout().getTypeAllocSize(GuardVal->getType())),
+ IsTLS);
----------------
rjmccall wrote:
Just use `GuardAddr` here, please, instead of passing a flag down.
https://github.com/llvm/llvm-project/pull/96633
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