[PATCH] D102527: [RISCV] Add missing emulated TLS support

[Brad Smith via Phabricator via llvm-commits]

brad created this revision.
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While getting OpenBSD/riscv64 up and running it was noticed that this bit of code to enable emulated TLS was missing from the RISC-V backend.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D102527

Files:
  llvm/lib/Target/RISCV/RISCVISelLowering.cpp


Index: llvm/lib/Target/RISCV/RISCVISelLowering.cpp
===================================================================
--- llvm/lib/Target/RISCV/RISCVISelLowering.cpp
+++ llvm/lib/Target/RISCV/RISCVISelLowering.cpp
@@ -2607,6 +2607,10 @@
 
 SDValue RISCVTargetLowering::lowerGlobalTLSAddress(SDValue Op,
                                                    SelectionDAG &DAG) const {
+  const GlobalAddressSDNode *GA = cast<GlobalAddressSDNode>(Op);
+  if (DAG.getTarget().useEmulatedTLS())
+    return LowerToTLSEmulatedModel(GA, DAG);
+
   SDLoc DL(Op);
   EVT Ty = Op.getValueType();
   GlobalAddressSDNode *N = cast<GlobalAddressSDNode>(Op);


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