[PATCH] D132916: [clang] Explicitly set the EmulatedTLS codegen option

[Martin Storsjö via Phabricator via cfe-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGfbfe1db4a95a: [clang] Explicitly set the EmulatedTLS codegen option. NFC. (authored by mstorsjo).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D132916/new/

https://reviews.llvm.org/D132916

Files:
  clang/include/clang/Basic/CodeGenOptions.def
  clang/lib/CodeGen/BackendUtil.cpp
  clang/lib/Frontend/CompilerInvocation.cpp


Index: clang/lib/Frontend/CompilerInvocation.cpp
===================================================================
--- clang/lib/Frontend/CompilerInvocation.cpp
+++ clang/lib/Frontend/CompilerInvocation.cpp
@@ -1492,13 +1492,8 @@
                 F.Filename, SA);
   }
 
-  // TODO: Consider removing marshalling annotations from f[no_]emulated_tls.
-  //  That would make it easy to generate the option only **once** if it was
-  //  explicitly set to non-default value.
-  if (Opts.ExplicitEmulatedTLS) {
-    GenerateArg(
-        Args, Opts.EmulatedTLS ? OPT_femulated_tls : OPT_fno_emulated_tls, SA);
-  }
+  GenerateArg(
+      Args, Opts.EmulatedTLS ? OPT_femulated_tls : OPT_fno_emulated_tls, SA);
 
   if (Opts.FPDenormalMode != llvm::DenormalMode::getIEEE())
     GenerateArg(Args, OPT_fdenormal_fp_math_EQ, Opts.FPDenormalMode.str(), SA);
@@ -1862,9 +1857,9 @@
     Opts.LinkBitcodeFiles.push_back(F);
   }
 
-  if (Args.getLastArg(OPT_femulated_tls) ||
-      Args.getLastArg(OPT_fno_emulated_tls)) {
-    Opts.ExplicitEmulatedTLS = true;
+  if (!Args.getLastArg(OPT_femulated_tls) &&
+      !Args.getLastArg(OPT_fno_emulated_tls)) {
+    Opts.EmulatedTLS = T.hasDefaultEmulatedTLS();
   }
 
   if (Arg *A = Args.getLastArg(OPT_ftlsmodel_EQ)) {
Index: clang/lib/CodeGen/BackendUtil.cpp
===================================================================
--- clang/lib/CodeGen/BackendUtil.cpp
+++ clang/lib/CodeGen/BackendUtil.cpp
@@ -440,7 +440,7 @@
       CodeGenOpts.UniqueBasicBlockSectionNames;
   Options.TLSSize = CodeGenOpts.TLSSize;
   Options.EmulatedTLS = CodeGenOpts.EmulatedTLS;
-  Options.ExplicitEmulatedTLS = CodeGenOpts.ExplicitEmulatedTLS;
+  Options.ExplicitEmulatedTLS = true;
   Options.DebuggerTuning = CodeGenOpts.getDebuggerTuning();
   Options.EmitStackSizeSection = CodeGenOpts.StackSizeSection;
   Options.StackUsageOutput = CodeGenOpts.StackUsageOutput;
Index: clang/include/clang/Basic/CodeGenOptions.def
===================================================================
--- clang/include/clang/Basic/CodeGenOptions.def
+++ clang/include/clang/Basic/CodeGenOptions.def
@@ -88,7 +88,6 @@
 CODEGENOPT(EmitGcovNotes     , 1, 0) ///< Emit coverage "notes" files, aka GCNO.
 CODEGENOPT(EmitOpenCLArgMetadata , 1, 0) ///< Emit OpenCL kernel arg metadata.
 CODEGENOPT(EmulatedTLS       , 1, 0) ///< Set by default or -f[no-]emulated-tls.
-CODEGENOPT(ExplicitEmulatedTLS , 1, 0) ///< Set if -f[no-]emulated-tls is used.
 /// Embed Bitcode mode (off/all/bitcode/marker).
 ENUM_CODEGENOPT(EmbedBitcode, EmbedBitcodeKind, 2, Embed_Off)
 /// Inline asm dialect, -masm=(att|intel)


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