[Sparc] Allow LEON cpu models to be selected with -mcpu

[jacob_hansen]

Summary

This change exposes the recently added LEON CPUs (D19359) in the LLVM Sparc backend to Clang, allowing the cpu's to be selected using the -mcpu flag.

cfe/trunk/lib/Basic/Targets.cpp

enum CPUKind {
     CK_V9,
     CK_ULTRASPARC,
     CK_ULTRASPARC3,
     CK_NIAGARA,
     CK_NIAGARA2,
     CK_NIAGARA3,
     CK_NIAGARA4,
     CK_MYRIAD2_1,
-    CK_MYRIAD2_2
+    CK_MYRIAD2_2,
+    CK_LEON2,
+    CK_LEON2_AT697E,
+    CK_LEON2_AT697F,
+    CK_LEON3,
+    CK_LEON3_UT699,
+    CK_LEON3_GR712RC,
+    CK_LEON4,
+    CK_LEON4_GR740
   } CPU = CK_GENERIC;
 
   enum CPUGeneration {
     CG_V8,
     CG_V9,
   };
 
   CPUGeneration getCPUGeneration(CPUKind Kind) const {
     switch (Kind) {
     case CK_GENERIC:
     case CK_V8:
     case CK_SUPERSPARC:
     case CK_SPARCLITE:
     case CK_F934:
     case CK_HYPERSPARC:
     case CK_SPARCLITE86X:
     case CK_SPARCLET:
     case CK_TSC701:
     case CK_MYRIAD2_1:
     case CK_MYRIAD2_2:
+    case CK_LEON2:
+    case CK_LEON2_AT697E:
+    case CK_LEON2_AT697F:
+    case CK_LEON3:
+    case CK_LEON3_UT699:
+    case CK_LEON3_GR712RC:
+    case CK_LEON4:
+    case CK_LEON4_GR740:
       return CG_V8;
     case CK_V9:
     case CK_ULTRASPARC:
     case CK_ULTRASPARC3:
     case CK_NIAGARA:
     case CK_NIAGARA2:
     case CK_NIAGARA3:
     case CK_NIAGARA4:
return llvm::StringSwitch<CPUKind>(Name)
         .Case("ultrasparc3", CK_ULTRASPARC3)
         .Case("niagara", CK_NIAGARA)
         .Case("niagara2", CK_NIAGARA2)
         .Case("niagara3", CK_NIAGARA3)
         .Case("niagara4", CK_NIAGARA4)
         .Case("myriad2", CK_MYRIAD2_1)
         .Case("myriad2.1", CK_MYRIAD2_1)
         .Case("myriad2.2", CK_MYRIAD2_2)
+        .Case("leon2", CK_LEON2)
+        .Case("at697e", CK_LEON2_AT697E)
+        .Case("at697f", CK_LEON2_AT697F)
+        .Case("leon3", CK_LEON3)
+        .Case("ut699", CK_LEON3_UT699)
+        .Case("gr712rc", CK_LEON3_GR712RC)
+        .Case("leon4", CK_LEON4)
+        .Case("gr740", CK_LEON4_GR740)
         .Default(CK_GENERIC);
   }
 
   bool setCPU(const std::string &Name) override {
     CPU = getCPUKind(Name);
     return CPU != CK_GENERIC;
   }
 };

cfe/trunk/lib/Driver/Tools.cpp

return llvm::StringSwitch<const char *>(Name)
           .Case("tsc701", "-Asparclet")
           .Case("v9", "-Av8plus")
           .Case("ultrasparc", "-Av8plus")
           .Case("ultrasparc3", "-Av8plus")
           .Case("niagara", "-Av8plusb")
           .Case("niagara2", "-Av8plusb")
           .Case("niagara3", "-Av8plusd")
           .Case("niagara4", "-Av8plusd")
+          .Case("leon2", "-Av8")
+          .Case("at697e", "-Av8")
+          .Case("at697f", "-Av8")
+          .Case("leon3", "-Av8")
+          .Case("ut699", "-Av8")
+          .Case("gr712rc", "-Av8")
+          .Case("leon4", "-Av8")
+          .Case("gr740", "-Av8")
           .Default("-Av8");
   }
 }
 
 /// CheckPreprocessingOptions - Perform some validation of preprocessing
 /// arguments that is shared with gcc.
 static void CheckPreprocessingOptions(const Driver &D, const ArgList &Args) {
   if (Arg *A = Args.getLastArg(options::OPT_C, options::OPT_CC)) {

cfe/trunk/test/Driver/sparc-as.c

 // RUN: %clang -mcpu=niagara3 -no-canonical-prefixes -target sparc--netbsd \
 // RUN: -no-integrated-as --sysroot=%S/Inputs/basic_netbsd_tree %s -### 2>&1 \
 // RUN: | FileCheck -check-prefix=SPARC-V8PLUSD %s
 
 // RUN: %clang -mcpu=niagara4 -no-canonical-prefixes -target sparc--netbsd \
 // RUN: -no-integrated-as --sysroot=%S/Inputs/basic_netbsd_tree %s -### 2>&1 \
 // RUN: | FileCheck -check-prefix=SPARC-V8PLUSD %s
 
+// RUN: %clang -mcpu=leon2 -no-canonical-prefixes -target sparc \
+// RUN: -no-integrated-as --sysroot=%S/Inputs/basic_netbsd_tree %s -### 2>&1 \
+// RUN: | FileCheck -check-prefix=SPARC-V8 %s
+
+// RUN: %clang -mcpu=at697e -no-canonical-prefixes -target sparc \
+// RUN: -no-integrated-as --sysroot=%S/Inputs/basic_netbsd_tree %s -### 2>&1 \
+// RUN: | FileCheck -check-prefix=SPARC-V8 %s
+
+// RUN: %clang -mcpu=at697f -no-canonical-prefixes -target sparc \
+// RUN: -no-integrated-as --sysroot=%S/Inputs/basic_netbsd_tree %s -### 2>&1 \
+// RUN: | FileCheck -check-prefix=SPARC-V8 %s
+
+// RUN: %clang -mcpu=leon3 -no-canonical-prefixes -target sparc \
+// RUN: -no-integrated-as --sysroot=%S/Inputs/basic_netbsd_tree %s -### 2>&1 \
+// RUN: | FileCheck -check-prefix=SPARC-V8 %s
+
+// RUN: %clang -mcpu=ut699 -no-canonical-prefixes -target sparc \
+// RUN: -no-integrated-as --sysroot=%S/Inputs/basic_netbsd_tree %s -### 2>&1 \
+// RUN: | FileCheck -check-prefix=SPARC-V8 %s
+
+// RUN: %clang -mcpu=gr712rc -no-canonical-prefixes -target sparc \
+// RUN: -no-integrated-as --sysroot=%S/Inputs/basic_netbsd_tree %s -### 2>&1 \
+// RUN: | FileCheck -check-prefix=SPARC-V8 %s
+
+// RUN: %clang -mcpu=leon4 -no-canonical-prefixes -target sparc \
+// RUN: -no-integrated-as --sysroot=%S/Inputs/basic_netbsd_tree %s -### 2>&1 \
+// RUN: | FileCheck -check-prefix=SPARC-V8 %s
+
+// RUN: %clang -mcpu=gr740 -no-canonical-prefixes -target sparc \
+// RUN: -no-integrated-as --sysroot=%S/Inputs/basic_netbsd_tree %s -### 2>&1 \
+// RUN: | FileCheck -check-prefix=SPARC-V8 %s
+
 // SPARC: as{{.*}}" "-32" "-Av8" "-o"
 // SPARC-V8: as{{.*}}" "-32" "-Av8" "-o"
 // SPARC-SPARCLITE: as{{.*}}" "-32" "-Asparclite" "-o"
 // SPARC-SPARCLET: as{{.*}}" "-32" "-Asparclet" "-o"
 // SPARC-V8PLUS: as{{.*}}" "-32" "-Av8plus" "-o"
 // SPARC-V8PLUSB: as{{.*}}" "-32" "-Av8plusb" "-o"
 // SPARC-V8PLUSD: as{{.*}}" "-32" "-Av8plusd" "-o"