Tidied up target triple OS detection. NFC

Use Triple::isOS*() helper functions where possible.

llvm-svn: 222622

llvm/include/llvm/ADT/Triple.h

@@ -364,10 +364,26 @@ public:
     return isMacOSX() || isiOS();
   }
 
+  bool isOSNetBSD() const {
+    return getOS() == Triple::NetBSD;
+  }
+
+  bool isOSOpenBSD() const {
+    return getOS() == Triple::OpenBSD;
+  }
+
   bool isOSFreeBSD() const {
     return getOS() == Triple::FreeBSD;
   }
 
+  bool isOSSolaris() const {
+    return getOS() == Triple::Solaris;
+  }
+
+  bool isOSBitrig() const {
+    return getOS() == Triple::Bitrig;
+  }
+
   bool isWindowsMSVCEnvironment() const {
     return getOS() == Triple::Win32 &&
            (getEnvironment() == Triple::UnknownEnvironment ||

llvm/lib/MC/MCObjectFileInfo.cpp

@@ -401,7 +401,7 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) {
   // platform.
   EHSectionType = ELF::SHT_PROGBITS;
   EHSectionFlags = ELF::SHF_ALLOC;
-  if (T.getOS() == Triple::Solaris) {
+  if (T.isOSSolaris()) {
     if (T.getArch() == Triple::x86_64)
       EHSectionType = ELF::SHT_X86_64_UNWIND;
     else

llvm/lib/Target/ARM/ARMSubtarget.h

@@ -347,7 +347,7 @@ public:
   bool isTargetIOS() const { return TargetTriple.isiOS(); }
   bool isTargetLinux() const { return TargetTriple.isOSLinux(); }
   bool isTargetNaCl() const { return TargetTriple.isOSNaCl(); }
-  bool isTargetNetBSD() const { return TargetTriple.getOS() == Triple::NetBSD; }
+  bool isTargetNetBSD() const { return TargetTriple.isOSNetBSD(); }
   bool isTargetWindows() const { return TargetTriple.isOSWindows(); }
 
   bool isTargetCOFF() const { return TargetTriple.isOSBinFormatCOFF(); }

llvm/lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp

@@ -110,8 +110,7 @@ X86ELFMCAsmInfo::X86ELFMCAsmInfo(const Triple &T) {
 
   // OpenBSD and Bitrig have buggy support for .quad in 32-bit mode, just split
   // into two .words.
-  if ((T.getOS() == Triple::OpenBSD || T.getOS() == Triple::Bitrig) &&
+  if ((T.isOSOpenBSD() || T.isOSBitrig()) && T.getArch() == Triple::x86)
-       T.getArch() == Triple::x86)
     Data64bitsDirective = nullptr;
 
   // Always enable the integrated assembler by default.

llvm/lib/Target/X86/X86Subtarget.h

@@ -323,13 +323,13 @@ public:
   /// Is this x86_64 with the ILP32 programming model (x32 ABI)?
   bool isTarget64BitILP32() const {
     return In64BitMode && (TargetTriple.getEnvironment() == Triple::GNUX32 ||
-                           TargetTriple.getOS() == Triple::NaCl);
+                           TargetTriple.isOSNaCl());
   }
 
   /// Is this x86_64 with the LP64 programming model (standard AMD64, no x32)?
   bool isTarget64BitLP64() const {
     return In64BitMode && (TargetTriple.getEnvironment() != Triple::GNUX32 &&
-                           TargetTriple.getOS() != Triple::NaCl);
+                           !TargetTriple.isOSNaCl());
   }
 
   PICStyles::Style getPICStyle() const { return PICStyle; }
@@ -403,12 +403,8 @@ public:
   const Triple &getTargetTriple() const { return TargetTriple; }
 
   bool isTargetDarwin() const { return TargetTriple.isOSDarwin(); }
-  bool isTargetFreeBSD() const {
+  bool isTargetFreeBSD() const { return TargetTriple.isOSFreeBSD(); }
-    return TargetTriple.getOS() == Triple::FreeBSD;
+  bool isTargetSolaris() const { return TargetTriple.isOSSolaris(); }
-  }
-  bool isTargetSolaris() const {
-    return TargetTriple.getOS() == Triple::Solaris;
-  }
 
   bool isTargetELF() const { return TargetTriple.isOSBinFormatELF(); }
   bool isTargetCOFF() const { return TargetTriple.isOSBinFormatCOFF(); }

llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp

@@ -291,8 +291,8 @@ static ShadowMapping getShadowMapping(const Module &M, int LongSize) {
   llvm::Triple TargetTriple(M.getTargetTriple());
   bool IsAndroid = TargetTriple.getEnvironment() == llvm::Triple::Android;
   bool IsIOS = TargetTriple.isiOS();
-  bool IsFreeBSD = TargetTriple.getOS() == llvm::Triple::FreeBSD;
+  bool IsFreeBSD = TargetTriple.isOSFreeBSD();
-  bool IsLinux = TargetTriple.getOS() == llvm::Triple::Linux;
+  bool IsLinux = TargetTriple.isOSLinux();
   bool IsPPC64 = TargetTriple.getArch() == llvm::Triple::ppc64 ||
                  TargetTriple.getArch() == llvm::Triple::ppc64le;
   bool IsX86_64 = TargetTriple.getArch() == llvm::Triple::x86_64;