freebsd-dev/contrib/llvm/patches/patch-r259053-gcc-installation-detector.diff
Dimitry Andric a426b286c8 Add the clang patch for r265477. While here, add a description to the
patch for r263619, and unify all the URLs to point to svnweb.
2014-05-24 22:27:31 +00:00

64 lines
3.0 KiB
Diff

This patch eliminates the unnecessary search for various gcc installation
directories during each startup of clang.
Introduced here: http://svnweb.freebsd.org/changeset/base/259053
Index: tools/clang/lib/Driver/ToolChains.cpp
===================================================================
--- tools/clang/lib/Driver/ToolChains.cpp
+++ tools/clang/lib/Driver/ToolChains.cpp
@@ -1014,7 +1014,7 @@ static StringRef getGCCToolchainDir(const ArgList
return GCC_INSTALL_PREFIX;
}
-/// \brief Construct a GCCInstallationDetector from the driver.
+/// \brief Initialize a GCCInstallationDetector from the driver.
///
/// This performs all of the autodetection and sets up the various paths.
/// Once constructed, a GCCInstallationDetector is essentially immutable.
@@ -1023,9 +1023,9 @@ static StringRef getGCCToolchainDir(const ArgList
/// should instead pull the target out of the driver. This is currently
/// necessary because the driver doesn't store the final version of the target
/// triple.
-Generic_GCC::GCCInstallationDetector::GCCInstallationDetector(
- const Driver &D, const llvm::Triple &TargetTriple, const ArgList &Args)
- : IsValid(false), D(D) {
+void
+Generic_GCC::GCCInstallationDetector::init(
+ const llvm::Triple &TargetTriple, const ArgList &Args) {
llvm::Triple BiarchVariantTriple =
TargetTriple.isArch32Bit() ? TargetTriple.get64BitArchVariant()
: TargetTriple.get32BitArchVariant();
@@ -1565,7 +1565,7 @@ void Generic_GCC::GCCInstallationDetector::ScanLib
Generic_GCC::Generic_GCC(const Driver &D, const llvm::Triple& Triple,
const ArgList &Args)
- : ToolChain(D, Triple, Args), GCCInstallation(getDriver(), Triple, Args) {
+ : ToolChain(D, Triple, Args), GCCInstallation(getDriver()) {
getProgramPaths().push_back(getDriver().getInstalledDir());
if (getDriver().getInstalledDir() != getDriver().Dir)
getProgramPaths().push_back(getDriver().Dir);
@@ -2361,6 +2361,7 @@ static StringRef getMultilibDir(const llvm::Triple
Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
: Generic_ELF(D, Triple, Args) {
+ GCCInstallation.init(Triple, Args);
llvm::Triple::ArchType Arch = Triple.getArch();
std::string SysRoot = computeSysRoot();
Index: tools/clang/lib/Driver/ToolChains.h
===================================================================
--- tools/clang/lib/Driver/ToolChains.h
+++ tools/clang/lib/Driver/ToolChains.h
@@ -92,8 +92,8 @@ class LLVM_LIBRARY_VISIBILITY Generic_GCC : public
std::set<std::string> CandidateGCCInstallPaths;
public:
- GCCInstallationDetector(const Driver &D, const llvm::Triple &TargetTriple,
- const llvm::opt::ArgList &Args);
+ GCCInstallationDetector(const Driver &D) : IsValid(false), D(D) {}
+ void init(const llvm::Triple &TargetTriple, const llvm::opt::ArgList &Args);
/// \brief Check whether we detected a valid GCC install.
bool isValid() const { return IsValid; }