r188258 - Add XCore target

Robert Lytton robert at xmos.com
Tue Aug 13 02:43:10 PDT 2013


Author: rlytton
Date: Tue Aug 13 04:43:10 2013
New Revision: 188258

URL: http://llvm.org/viewvc/llvm-project?rev=188258&view=rev
Log:
Add XCore target

Added:
    cfe/trunk/include/clang/Basic/BuiltinsXCore.def
    cfe/trunk/test/CodeGen/xcore-abi.c
    cfe/trunk/test/Driver/xcore-opts.c
Modified:
    cfe/trunk/include/clang/Basic/TargetBuiltins.h
    cfe/trunk/lib/Basic/Targets.cpp
    cfe/trunk/lib/CodeGen/TargetInfo.cpp
    cfe/trunk/lib/Driver/Tools.cpp
    cfe/trunk/test/Preprocessor/init.c
    cfe/trunk/test/Preprocessor/stdint.c

Added: cfe/trunk/include/clang/Basic/BuiltinsXCore.def
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/BuiltinsXCore.def?rev=188258&view=auto
==============================================================================
--- cfe/trunk/include/clang/Basic/BuiltinsXCore.def (added)
+++ cfe/trunk/include/clang/Basic/BuiltinsXCore.def Tue Aug 13 04:43:10 2013
@@ -0,0 +1,22 @@
+//===--- BuiltinsXCore.def - XCore Builtin function database ----*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the XCore-specific builtin function database.  Users of
+// this file must define the BUILTIN macro to make use of this information.
+//
+//===----------------------------------------------------------------------===//
+
+// The format of this database matches clang/Basic/Builtins.def.
+
+BUILTIN(__builtin_bitrev, "UiUi", "nc")
+BUILTIN(__builtin_getid, "Si", "nc")
+BUILTIN(__builtin_getps, "UiUi", "n")
+BUILTIN(__builtin_setps, "vUiUi", "n")
+
+#undef BUILTIN

Modified: cfe/trunk/include/clang/Basic/TargetBuiltins.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/TargetBuiltins.h?rev=188258&r1=188257&r2=188258&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/TargetBuiltins.h (original)
+++ cfe/trunk/include/clang/Basic/TargetBuiltins.h Tue Aug 13 04:43:10 2013
@@ -131,6 +131,16 @@ namespace clang {
         LastTSBuiltin
     };
   }
+
+  /// \brief XCore builtins
+  namespace XCore {
+    enum {
+        LastTIBuiltin = clang::Builtin::FirstTSBuiltin-1,
+#define BUILTIN(ID, TYPE, ATTRS) BI##ID,
+#include "clang/Basic/BuiltinsXCore.def"
+        LastTSBuiltin
+    };
+  }
 } // end namespace clang.
 
 #endif

Modified: cfe/trunk/lib/Basic/Targets.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets.cpp?rev=188258&r1=188257&r2=188258&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/Targets.cpp (original)
+++ cfe/trunk/lib/Basic/Targets.cpp Tue Aug 13 04:43:10 2013
@@ -5138,6 +5138,64 @@ namespace {
   };
 }
 
+namespace {
+class XCoreTargetInfo : public TargetInfo {
+  static const Builtin::Info BuiltinInfo[];
+public:
+  XCoreTargetInfo(const llvm::Triple &Triple) : TargetInfo(Triple) {
+    BigEndian = false;
+    NoAsmVariants = true;
+    LongLongAlign = 32;
+    SuitableAlign = 32;
+    DoubleAlign = LongDoubleAlign = 32;
+    UseZeroLengthBitfieldAlignment = true;
+    DescriptionString = "e-p:32:32:32-a0:0:32-n32"
+                        "-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32"
+                        "-f16:16:32-f32:32:32-f64:32:32";
+  }
+  virtual void getTargetDefines(const LangOptions &Opts,
+                                MacroBuilder &Builder) const {
+    Builder.defineMacro("__XS1B__");
+  }
+  virtual void getTargetBuiltins(const Builtin::Info *&Records,
+                                 unsigned &NumRecords) const {
+    Records = BuiltinInfo;
+    NumRecords = clang::XCore::LastTSBuiltin-Builtin::FirstTSBuiltin;
+  }
+  virtual BuiltinVaListKind getBuiltinVaListKind() const {
+    return TargetInfo::VoidPtrBuiltinVaList;
+  }
+  virtual const char *getClobbers() const {
+    return "";
+  }
+  virtual void getGCCRegNames(const char * const *&Names,
+                              unsigned &NumNames) const {
+    static const char * const GCCRegNames[] = {
+      "r0",   "r1",   "r2",   "r3",   "r4",   "r5",   "r6",   "r7",
+      "r8",   "r9",   "r10",  "r11",  "cp",   "dp",   "sp",   "lr"
+    };
+    Names = GCCRegNames;
+    NumNames = llvm::array_lengthof(GCCRegNames);
+  }
+  virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
+                                unsigned &NumAliases) const {
+    Aliases = NULL;
+    NumAliases = 0;
+  }
+  virtual bool validateAsmConstraint(const char *&Name,
+                                     TargetInfo::ConstraintInfo &Info) const {
+    return false;
+  }
+};
+
+const Builtin::Info XCoreTargetInfo::BuiltinInfo[] = {
+#define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS, 0, ALL_LANGUAGES },
+#define LIBBUILTIN(ID, TYPE, ATTRS, HEADER) { #ID, TYPE, ATTRS, HEADER,\
+                                              ALL_LANGUAGES },
+#include "clang/Basic/BuiltinsXCore.def"
+};
+} // end anonymous namespace.
+
 
 //===----------------------------------------------------------------------===//
 // Driver code
@@ -5150,6 +5208,9 @@ static TargetInfo *AllocateTarget(const
   default:
     return NULL;
 
+  case llvm::Triple::xcore:
+    return new XCoreTargetInfo(Triple);
+
   case llvm::Triple::hexagon:
     return new HexagonTargetInfo(Triple);
 

Modified: cfe/trunk/lib/CodeGen/TargetInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/TargetInfo.cpp?rev=188258&r1=188257&r2=188258&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/TargetInfo.cpp (original)
+++ cfe/trunk/lib/CodeGen/TargetInfo.cpp Tue Aug 13 04:43:10 2013
@@ -5366,6 +5366,22 @@ public:
 } // end anonymous namespace
 
 
+//===----------------------------------------------------------------------===//
+// Xcore ABI Implementation
+//===----------------------------------------------------------------------===//
+namespace {
+class XcoreTargetCodeGenInfo : public TargetCodeGenInfo {
+public:
+  XcoreTargetCodeGenInfo(CodeGenTypes &CGT)
+    :TargetCodeGenInfo(new DefaultABIInfo(CGT)) {}
+};
+} // end anonymous namespace
+
+
+//===----------------------------------------------------------------------===//
+// Driver code
+//===----------------------------------------------------------------------===//
+
 const TargetCodeGenInfo &CodeGenModule::getTargetCodeGenInfo() {
   if (TheTargetCodeGenInfo)
     return *TheTargetCodeGenInfo;
@@ -5474,5 +5490,8 @@ const TargetCodeGenInfo &CodeGenModule::
     return *(TheTargetCodeGenInfo = new HexagonTargetCodeGenInfo(Types));
   case llvm::Triple::sparcv9:
     return *(TheTargetCodeGenInfo = new SparcV9TargetCodeGenInfo(Types));
+  case llvm::Triple::xcore:
+    return *(TheTargetCodeGenInfo = new XcoreTargetCodeGenInfo(Types));
+
   }
 }

Modified: cfe/trunk/lib/Driver/Tools.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Tools.cpp?rev=188258&r1=188257&r2=188258&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/Tools.cpp (original)
+++ cfe/trunk/lib/Driver/Tools.cpp Tue Aug 13 04:43:10 2013
@@ -552,10 +552,21 @@ static bool isSignedCharDefault(const ll
 
   case llvm::Triple::ppc64le:
   case llvm::Triple::systemz:
+  case llvm::Triple::xcore:
     return false;
   }
 }
 
+static bool isNoCommonDefault(const llvm::Triple &Triple) {
+  switch (Triple.getArch()) {
+  default:
+    return false;
+
+  case llvm::Triple::xcore:
+    return true;
+  }
+}
+
 // Handle -mfpu=.
 //
 // FIXME: Centralize feature selection, defaulting shouldn't be also in the
@@ -1761,6 +1772,9 @@ static bool shouldUseFramePointer(const
         return false;
   }
 
+  if (Triple.getArch() == llvm::Triple::xcore)
+    return false;
+
   return true;
 }
 
@@ -1780,6 +1794,9 @@ static bool shouldUseLeafFramePointer(co
         return false;
   }
 
+  if (Triple.getArch() == llvm::Triple::xcore)
+    return false;
+
   return true;
 }
 
@@ -3200,7 +3217,7 @@ void Clang::ConstructJob(Compilation &C,
     CmdArgs.push_back("-fpack-struct=1");
   }
 
-  if (KernelOrKext) {
+  if (KernelOrKext || isNoCommonDefault(getToolChain().getTriple())) {
     if (!Args.hasArg(options::OPT_fcommon))
       CmdArgs.push_back("-fno-common");
     Args.ClaimAllArgs(options::OPT_fno_common);

Added: cfe/trunk/test/CodeGen/xcore-abi.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/xcore-abi.c?rev=188258&view=auto
==============================================================================
--- cfe/trunk/test/CodeGen/xcore-abi.c (added)
+++ cfe/trunk/test/CodeGen/xcore-abi.c Tue Aug 13 04:43:10 2013
@@ -0,0 +1,35 @@
+// RUN: %clang -target xcore -O1 -o - -emit-llvm -S %s | FileCheck %s
+
+// CHECK: target datalayout = "e-p:32:32:32-a0:0:32-n32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f16:16:32-f32:32:32-f64:32:32"
+// CHECK: target triple = "xcore"
+
+#include <stdarg.h>
+struct x { int a; };
+void testva (int n, ...) {
+  va_list ap;
+  // CHECK: %ap = alloca i8*, align 4
+
+  char* v1 = va_arg (ap, char*);
+  // CHECK: %0 = va_arg i8** %ap, i8*
+
+  int v2 = va_arg (ap, int);
+  // CHECK: %1 = va_arg i8** %ap, i32
+
+  long long int v3 = va_arg (ap, long long int);
+  // CHECK: %2 = va_arg i8** %ap, i64
+
+  //struct x t = va_arg (ap, struct x);
+  //cannot compile aggregate va_arg expressions yet
+}
+
+void testbuiltin (void) {
+// CHECK: %0 = tail call i32 @llvm.xcore.getid()
+// CHECK: %1 = tail call i32 @llvm.xcore.getps(i32 %0)
+// CHECK: %2 = tail call i32 @llvm.xcore.bitrev(i32 %1)
+// CHECK: tail call void @llvm.xcore.setps(i32 %0, i32 %2)
+  int i = __builtin_getid();
+  unsigned int ui = __builtin_getps(i);
+  ui = __builtin_bitrev(ui);
+  __builtin_setps(i,ui);
+
+}

Added: cfe/trunk/test/Driver/xcore-opts.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/xcore-opts.c?rev=188258&view=auto
==============================================================================
--- cfe/trunk/test/Driver/xcore-opts.c (added)
+++ cfe/trunk/test/Driver/xcore-opts.c Tue Aug 13 04:43:10 2013
@@ -0,0 +1,15 @@
+// RUN: %clang -target xcore -O1 -o - -emit-llvm -S %s | FileCheck %s
+
+// CHECK: @g1 = global
+int g1;
+// CHECK: @g2 = common global i32 0, align 4
+int g2 __attribute__((common));
+
+// CHECK: define zeroext i8 @testchar()
+// CHECK: ret i8 -1
+char testchar (void) {
+  return (char)-1;
+}
+
+// CHECK: "no-frame-pointer-elim"="false"
+// CHECK: "no-frame-pointer-elim-non-leaf"="false"

Modified: cfe/trunk/test/Preprocessor/init.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Preprocessor/init.c?rev=188258&r1=188257&r2=188258&view=diff
==============================================================================
--- cfe/trunk/test/Preprocessor/init.c (original)
+++ cfe/trunk/test/Preprocessor/init.c Tue Aug 13 04:43:10 2013
@@ -2946,3 +2946,6 @@
 // ANDROID: __ANDROID__ 1
 // RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc64-unknown-freebsd < /dev/null | FileCheck -check-prefix PPC64-FREEBSD %s
 // PPC64-FREEBSD-NOT: #define __LONG_DOUBLE_128__ 1
+//
+// RUN: %clang_cc1 -E -dM -ffreestanding -triple=xcore-none-none < /dev/null | FileCheck -check-prefix XCORE %s
+// XCORE:#define __XS1B__ 1

Modified: cfe/trunk/test/Preprocessor/stdint.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Preprocessor/stdint.c?rev=188258&r1=188257&r2=188258&view=diff
==============================================================================
--- cfe/trunk/test/Preprocessor/stdint.c (original)
+++ cfe/trunk/test/Preprocessor/stdint.c Tue Aug 13 04:43:10 2013
@@ -963,6 +963,114 @@
 // I386_MINGW32:WCHAR_MIN_ 0U
 //
 //
+// RUN: %clang_cc1 -E -ffreestanding -triple=xcore-none-none %s | FileCheck -check-prefix XCORE %s
+//
+// XCORE:typedef signed long long int int64_t;
+// XCORE:typedef unsigned long long int uint64_t;
+// XCORE:typedef int64_t int_least64_t;
+// XCORE:typedef uint64_t uint_least64_t;
+// XCORE:typedef int64_t int_fast64_t;
+// XCORE:typedef uint64_t uint_fast64_t;
+//
+// XCORE:typedef signed int int32_t;
+// XCORE:typedef unsigned int uint32_t;
+// XCORE:typedef int32_t int_least32_t;
+// XCORE:typedef uint32_t uint_least32_t;
+// XCORE:typedef int32_t int_fast32_t;
+// XCORE:typedef uint32_t uint_fast32_t;
+//
+// XCORE:typedef signed short int16_t;
+// XCORE:typedef unsigned short uint16_t;
+// XCORE:typedef int16_t int_least16_t;
+// XCORE:typedef uint16_t uint_least16_t;
+// XCORE:typedef int16_t int_fast16_t;
+// XCORE:typedef uint16_t uint_fast16_t;
+//
+// XCORE:typedef signed char int8_t;
+// XCORE:typedef unsigned char uint8_t;
+// XCORE:typedef int8_t int_least8_t;
+// XCORE:typedef uint8_t uint_least8_t;
+// XCORE:typedef int8_t int_fast8_t;
+// XCORE:typedef uint8_t uint_fast8_t;
+//
+// XCORE:typedef int32_t intptr_t;
+// XCORE:typedef uint32_t uintptr_t;
+//
+// XCORE:typedef long long int intmax_t;
+// XCORE:typedef long long unsigned int uintmax_t;
+//
+// XCORE:INT8_MAX_ 127
+// XCORE:INT8_MIN_ (-127 -1)
+// XCORE:UINT8_MAX_ 255
+// XCORE:INT_LEAST8_MIN_ (-127 -1)
+// XCORE:INT_LEAST8_MAX_ 127
+// XCORE:UINT_LEAST8_MAX_ 255
+// XCORE:INT_FAST8_MIN_ (-127 -1)
+// XCORE:INT_FAST8_MAX_ 127
+// XCORE:UINT_FAST8_MAX_ 255
+//
+// XCORE:INT16_MAX_ 32767
+// XCORE:INT16_MIN_ (-32767 -1)
+// XCORE:UINT16_MAX_ 65535
+// XCORE:INT_LEAST16_MIN_ (-32767 -1)
+// XCORE:INT_LEAST16_MAX_ 32767
+// XCORE:UINT_LEAST16_MAX_ 65535
+// XCORE:INT_FAST16_MIN_ (-32767 -1)
+// XCORE:INT_FAST16_MAX_ 32767
+// XCORE:UINT_FAST16_MAX_ 65535
+//
+// XCORE:INT32_MAX_ 2147483647
+// XCORE:INT32_MIN_ (-2147483647 -1)
+// XCORE:UINT32_MAX_ 4294967295U
+// XCORE:INT_LEAST32_MIN_ (-2147483647 -1)
+// XCORE:INT_LEAST32_MAX_ 2147483647
+// XCORE:UINT_LEAST32_MAX_ 4294967295U
+// XCORE:INT_FAST32_MIN_ (-2147483647 -1)
+// XCORE:INT_FAST32_MAX_ 2147483647
+// XCORE:UINT_FAST32_MAX_ 4294967295U
+//
+// XCORE:INT64_MAX_ 9223372036854775807LL
+// XCORE:INT64_MIN_ (-9223372036854775807LL -1)
+// XCORE:UINT64_MAX_ 18446744073709551615ULL
+// XCORE:INT_LEAST64_MIN_ (-9223372036854775807LL -1)
+// XCORE:INT_LEAST64_MAX_ 9223372036854775807LL
+// XCORE:UINT_LEAST64_MAX_ 18446744073709551615ULL
+// XCORE:INT_FAST64_MIN_ (-9223372036854775807LL -1)
+// XCORE:INT_FAST64_MAX_ 9223372036854775807LL
+// XCORE:UINT_FAST64_MAX_ 18446744073709551615ULL
+//
+// XCORE:INTPTR_MIN_ (-2147483647 -1)
+// XCORE:INTPTR_MAX_ 2147483647
+// XCORE:UINTPTR_MAX_ 4294967295U
+// XCORE:PTRDIFF_MIN_ (-2147483647 -1)
+// XCORE:PTRDIFF_MAX_ 2147483647
+// XCORE:SIZE_MAX_ 4294967295U
+//
+// XCORE:INTMAX_MIN_ (-9223372036854775807LL -1)
+// XCORE:INTMAX_MAX_ 9223372036854775807LL
+// XCORE:UINTMAX_MAX_ 18446744073709551615ULL
+//
+// XCORE:SIG_ATOMIC_MIN_ (-2147483647 -1)
+// XCORE:SIG_ATOMIC_MAX_ 2147483647
+// XCORE:WINT_MIN_ (-2147483647 -1)
+// XCORE:WINT_MAX_ 2147483647
+//
+// XCORE:WCHAR_MAX_ 2147483647
+// XCORE:WCHAR_MIN_ (-2147483647 -1)
+//
+// XCORE:INT8_C_(0) 0
+// XCORE:UINT8_C_(0) 0U
+// XCORE:INT16_C_(0) 0
+// XCORE:UINT16_C_(0) 0U
+// XCORE:INT32_C_(0) 0
+// XCORE:UINT32_C_(0) 0U
+// XCORE:INT64_C_(0) 0LL
+// XCORE:UINT64_C_(0) 0ULL
+//
+// XCORE:INTMAX_C_(0) 0LL
+// XCORE:UINTMAX_C_(0) 0ULL
+//
+//
 // stdint.h forms several macro definitions by pasting together identifiers
 // to form names (eg. int32_t is formed from int ## 32 ## _t). The following 
 // case tests that these joining operations are performed correctly even if





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