[SYCL][NFC] Remove SYCL specific TargetInfo types (#965)

This workaround is not needed anymore.

Signed-off-by: Alexey Bader <[email protected]>

Author: bader

clang/lib/Basic/Targets.cpp

@@ -564,19 +564,10 @@ TargetInfo *AllocateTarget(const llvm::Triple &Triple,
   case llvm::Triple::spir: {
     if (Triple.getEnvironment() == llvm::Triple::SYCLDevice) {
       llvm::Triple HT(Opts.HostTriple);
-      switch (HT.getOS()) {
-      case llvm::Triple::Win32:
-        switch (HT.getEnvironment()) {
-        default: // Assume MSVC for unknown environments
-        case llvm::Triple::MSVC:
-          assert(HT.getArch() == llvm::Triple::x86 &&
-                 "Unsupported host architecture");
-          return new MicrosoftX86_32SPIRTargetInfo(Triple, Opts);
-        }
-      case llvm::Triple::Linux:
-        return new LinuxTargetInfo<SPIR32SYCLDeviceTargetInfo>(Triple, Opts);
-      default:
-        return new SPIR32SYCLDeviceTargetInfo(Triple, Opts);
+      if (HT.getOS() == llvm::Triple::Win32) {
+        assert(HT.getArch() == llvm::Triple::x86 &&
+               "Unsupported host architecture");
+        return new MicrosoftX86_32SPIRTargetInfo(Triple, Opts);
       }
     }
     return new SPIR32TargetInfo(Triple, Opts);
@@ -585,19 +576,10 @@ TargetInfo *AllocateTarget(const llvm::Triple &Triple,
   case llvm::Triple::spir64: {
     if (Triple.getEnvironment() == llvm::Triple::SYCLDevice) {
       llvm::Triple HT(Opts.HostTriple);
-      switch (HT.getOS()) {
-      case llvm::Triple::Win32:
-        switch (HT.getEnvironment()) {
-        default: // Assume MSVC for unknown environments
-        case llvm::Triple::MSVC:
-          assert(HT.getArch() == llvm::Triple::x86_64 &&
-                 "Unsupported host architecture");
-          return new MicrosoftX86_64_SPIR64TargetInfo(Triple, Opts);
-        }
-      case llvm::Triple::Linux:
-        return new LinuxTargetInfo<SPIR64SYCLDeviceTargetInfo>(Triple, Opts);
-      default:
-        return new SPIR64SYCLDeviceTargetInfo(Triple, Opts);
+      if (HT.getOS() == llvm::Triple::Win32) {
+        assert(HT.getArch() == llvm::Triple::x86_64 &&
+               "Unsupported host architecture");
+        return new MicrosoftX86_64_SPIR64TargetInfo(Triple, Opts);
       }
     }
     return new SPIR64TargetInfo(Triple, Opts);

clang/lib/Basic/Targets/SPIR.h

@@ -153,40 +153,12 @@ class LLVM_LIBRARY_VISIBILITY SPIR64TargetInfo : public SPIRTargetInfo {
                         MacroBuilder &Builder) const override;
 };
 
-class LLVM_LIBRARY_VISIBILITY SPIR32SYCLDeviceTargetInfo
-    : public SPIR32TargetInfo {
-public:
-  SPIR32SYCLDeviceTargetInfo(const llvm::Triple &Triple,
-                             const TargetOptions &Opts)
-      : SPIR32TargetInfo(Triple, Opts) {
-    // This is workaround for exception_ptr class.
-    // Exceptions is not allowed in sycl device code but we should be able
-    // to parse host code. So we allow compilation of exception_ptr but
-    // if exceptions are used in device code we should emit a diagnostic.
-    MaxAtomicInlineWidth = 32;
-  }
-};
-
-class LLVM_LIBRARY_VISIBILITY SPIR64SYCLDeviceTargetInfo
-    : public SPIR64TargetInfo {
-public:
-  SPIR64SYCLDeviceTargetInfo(const llvm::Triple &Triple,
-                             const TargetOptions &Opts)
-      : SPIR64TargetInfo(Triple, Opts) {
-    // This is workaround for exception_ptr class.
-    // Exceptions is not allowed in sycl device code but we should be able
-    // to parse host code. So we allow compilation of exception_ptr but
-    // if exceptions are used in device code we should emit a diagnostic.
-    MaxAtomicInlineWidth = 64;
-  }
-};
-
 // x86-32 SPIR Windows target
 class LLVM_LIBRARY_VISIBILITY WindowsX86_32SPIRTargetInfo
-    : public WindowsTargetInfo<SPIR32SYCLDeviceTargetInfo> {
+    : public WindowsTargetInfo<SPIR32TargetInfo> {
 public:
   WindowsX86_32SPIRTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
-      : WindowsTargetInfo<SPIR32SYCLDeviceTargetInfo>(Triple, Opts) {
+      : WindowsTargetInfo<SPIR32TargetInfo>(Triple, Opts) {
     DoubleAlign = LongLongAlign = 64;
     WCharType = UnsignedShort;
   }
@@ -229,10 +201,10 @@ class LLVM_LIBRARY_VISIBILITY MicrosoftX86_32SPIRTargetInfo
 
 // x86-64 SPIR64 Windows target
 class LLVM_LIBRARY_VISIBILITY WindowsX86_64_SPIR64TargetInfo
-    : public WindowsTargetInfo<SPIR64SYCLDeviceTargetInfo> {
+    : public WindowsTargetInfo<SPIR64TargetInfo> {
 public:
   WindowsX86_64_SPIR64TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
-      : WindowsTargetInfo<SPIR64SYCLDeviceTargetInfo>(Triple, Opts) {
+      : WindowsTargetInfo<SPIR64TargetInfo>(Triple, Opts) {
     LongWidth = LongAlign = 32;
     DoubleAlign = LongLongAlign = 64;
     IntMaxType = SignedLongLong;