[PATCH] D115045: [Clang] Ignore CLANG_DEFAULT_LINKER for custom-linker toolchains

[Simon Moll via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG34a43f2115af: [Clang] Ignore CLANG_DEFAULT_LINKER for custom-linker toolchains (authored by simoll).

Changed prior to commit:
  https://reviews.llvm.org/D115045?vs=391998&id=392022#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D115045/new/

https://reviews.llvm.org/D115045

Files:
  clang/include/clang/Driver/ToolChain.h
  clang/lib/Driver/ToolChain.cpp
  clang/test/Driver/ve-toolchain.c
  clang/test/Driver/ve-toolchain.cpp


Index: clang/test/Driver/ve-toolchain.cpp
===================================================================
--- clang/test/Driver/ve-toolchain.cpp
+++ clang/test/Driver/ve-toolchain.cpp
@@ -110,10 +110,10 @@
 /// Checking -fintegrated-as
 
 // RUN: %clangxx -### -target ve-unknown-linux-gnu \
-// RUN:     -x assembler -fuse-ld=ld %s 2>&1 | \
+// RUN:     -x assembler %s 2>&1 | \
 // RUN:    FileCheck -check-prefix=AS %s
 // RUN: %clangxx -### -target ve-unknown-linux-gnu \
-// RUN:     -fno-integrated-as -x assembler -fuse-ld=ld %s 2>&1 | \
+// RUN:     -fno-integrated-as -x assembler %s 2>&1 | \
 // RUN:    FileCheck -check-prefix=NAS %s
 
 // AS: clang{{.*}} "-cc1as"
@@ -131,7 +131,6 @@
 
 // RUN: %clangxx -### -target ve-unknown-linux-gnu \
 // RUN:     --sysroot %S/Inputs/basic_ve_tree \
-// RUN:     -fuse-ld=ld \
 // RUN:     -resource-dir=%S/Inputs/basic_ve_tree/resource_dir \
 // RUN:     --stdlib=c++ %s 2>&1 | FileCheck -check-prefix=DEF %s
 
Index: clang/test/Driver/ve-toolchain.c
===================================================================
--- clang/test/Driver/ve-toolchain.c
+++ clang/test/Driver/ve-toolchain.c
@@ -61,10 +61,10 @@
 /// Checking -fintegrated-as
 
 // RUN: %clang -### -target ve \
-// RUN:    -x assembler -fuse-ld=ld %s 2>&1 | \
+// RUN:    -x assembler %s 2>&1 | \
 // RUN:    FileCheck -check-prefix=AS %s
 // RUN: %clang -### -target ve \
-// RUN:    -fno-integrated-as -fuse-ld=ld -x assembler %s 2>&1 | \
+// RUN:    -fno-integrated-as -x assembler %s 2>&1 | \
 // RUN:    FileCheck -check-prefix=NAS %s
 
 // AS: clang{{.*}} "-cc1as"
@@ -83,7 +83,6 @@
 // RUN: %clang -### -target ve-unknown-linux-gnu \
 // RUN:     --sysroot %S/Inputs/basic_ve_tree \
 // RUN:     -resource-dir=%S/Inputs/basic_ve_tree/resource_dir \
-// RUN:     -fuse-ld=ld \
 // RUN:     %s 2>&1 | FileCheck -check-prefix=DEF %s
 
 // DEF:      clang{{.*}}" "-cc1"
Index: clang/lib/Driver/ToolChain.cpp
===================================================================
--- clang/lib/Driver/ToolChain.cpp
+++ clang/lib/Driver/ToolChain.cpp
@@ -541,6 +541,12 @@
   return D.GetProgramPath(Name, *this);
 }
 
+const char *ToolChain::getDefaultLinker() const {
+  if (CLANG_DEFAULT_LINKER[0] == '\0')
+    return "ld";
+  return CLANG_DEFAULT_LINKER;
+}
+
 std::string ToolChain::GetLinkerPath(bool *LinkerIsLLD) const {
   if (LinkerIsLLD)
     *LinkerIsLLD = false;
@@ -548,7 +554,7 @@
   // Get -fuse-ld= first to prevent -Wunused-command-line-argument. -fuse-ld= is
   // considered as the linker flavor, e.g. "bfd", "gold", or "lld".
   const Arg* A = Args.getLastArg(options::OPT_fuse_ld_EQ);
-  StringRef UseLinker = A ? A->getValue() : CLANG_DEFAULT_LINKER;
+  StringRef UseLinker = A ? A->getValue() : "";
 
   // --ld-path= takes precedence over -fuse-ld= and specifies the executable
   // name. -B, COMPILER_PATH and PATH and consulted if the value does not
Index: clang/include/clang/Driver/ToolChain.h
===================================================================
--- clang/include/clang/Driver/ToolChain.h
+++ clang/include/clang/Driver/ToolChain.h
@@ -420,7 +420,7 @@
   }
 
   /// GetDefaultLinker - Get the default linker to use.
-  virtual const char *getDefaultLinker() const { return "ld"; }
+  virtual const char *getDefaultLinker() const;
 
   /// GetDefaultRuntimeLibType - Get the default runtime library variant to use.
   virtual RuntimeLibType GetDefaultRuntimeLibType() const {


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