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Make the X86 subtarget compute the basic target type: ELF, Cygwin, Darwin,
or native Win32 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24476 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -21,37 +21,42 @@ X86Subtarget::X86Subtarget(const Module &M, const std::string &FS)
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asmLeadingUnderscore(false), asmAlignmentIsInBytes(false),
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asmPrintDotLocalConstants(false), asmPrintDotLCommConstants(false),
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asmPrintConstantAlignment(false) {
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// Declare a boolean for each major platform.
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bool forCygwin = false;
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bool forDarwin = false;
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bool forWindows = false;
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// Default to ELF unless otherwise specified.
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TargetType = isELF;
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// Set the boolean corresponding to the current target triple, or the default
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// if one cannot be determined, to true.
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const std::string& TT = M.getTargetTriple();
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if (TT.length() > 5) {
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forCygwin = TT.find("cygwin") != std::string::npos ||
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TT.find("mingw") != std::string::npos;
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forDarwin = TT.find("darwin") != std::string::npos;
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forWindows = TT.find("win32") != std::string::npos;
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if (TT.find("cygwin") != std::string::npos ||
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TT.find("mingw") != std::string::npos)
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TargetType = isCygwin;
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else if (TT.find("darwin") != std::string::npos)
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TargetType = isDarwin;
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else if (TT.find("win32") != std::string::npos)
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TargetType = isWindows;
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} else if (TT.empty()) {
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#if defined(__CYGWIN__) || defined(__MINGW32__)
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forCygwin = true;
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TargetType = isCygwin;
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#elif defined(__APPLE__)
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forDarwin = true;
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TargetType = isDarwin;
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#elif defined(_WIN32)
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forWindows = true;
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TargetType = isWindows;
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#endif
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}
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if (forCygwin) {
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switch (TargetType) {
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case isCygwin:
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asmLeadingUnderscore = true;
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} else if (forDarwin) {
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break;
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case isDarwin:
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stackAlignment = 16;
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indirectExternAndWeakGlobals = true;
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asmDarwinLinkerStubs = true;
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asmLeadingUnderscore = true;
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asmPrintDotLCommConstants = true;
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} else if (forWindows) {
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break;
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default: break;
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}
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}
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@ -38,6 +38,10 @@ protected:
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bool asmPrintDotLCommConstants;
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bool asmPrintConstantAlignment;
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public:
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enum {
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isELF, isCygwin, isDarwin, isWindows
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} TargetType;
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/// This constructor initializes the data members to match that
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/// of the specified module.
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///
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