commit 2752c0137d95aa2f4ee1cdff4b564bac842e041b
author Chris Lattner <sabre@nondot.org> Wed Mar 03 19:03:45 2010 +0000
committer Chris Lattner <sabre@nondot.org> Wed Mar 03 19:03:45 2010 +0000
tree adfe7d8f25bdb1a4dfe2a5f2120c45da5fd86533
parent 792bea97c42dabffce457cc79f6bfede9ed21712

add framework for ARM builtins, Patch by Edmund Grimley Evans!


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@97656 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Basic/Targets.cpp

diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index b8fe535..96ae4b7 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -1207,6 +1207,8 @@
   unsigned SoftFloat : 1;
   unsigned SoftFloatABI : 1;
 
+  static const Builtin::Info BuiltinInfo[];
+
 public:
   ARMTargetInfo(const std::string &TripleStr)
     : TargetInfo(TripleStr), ABI("aapcs-linux"), CPU("arm1136j-s")
@@ -1393,9 +1395,8 @@
   }
   virtual void getTargetBuiltins(const Builtin::Info *&Records,
                                  unsigned &NumRecords) const {
-    // FIXME: Implement.
-    Records = 0;
-    NumRecords = 0;
+    Records = BuiltinInfo;
+    NumRecords = clang::ARM::LastTSBuiltin-Builtin::FirstTSBuiltin;
   }
   virtual const char *getVAListDeclaration() const {
     return "typedef char* __builtin_va_list;";
@@ -1460,6 +1461,12 @@
   Aliases = GCCRegAliases;
   NumAliases = llvm::array_lengthof(GCCRegAliases);
 }
+
+const Builtin::Info ARMTargetInfo::BuiltinInfo[] = {
+#define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS, 0, false },
+#define LIBBUILTIN(ID, TYPE, ATTRS, HEADER) { #ID, TYPE, ATTRS, HEADER, false },
+#include "clang/Basic/BuiltinsARM.def"
+};
 } // end anonymous namespace.
 
 

lib/CodeGen/CGBuiltin.cpp

diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp
index 0f5e90f..df6ac7f 100644
--- a/lib/CodeGen/CGBuiltin.cpp
+++ b/lib/CodeGen/CGBuiltin.cpp
@@ -735,6 +735,9 @@
 Value *CodeGenFunction::EmitTargetBuiltinExpr(unsigned BuiltinID,
                                               const CallExpr *E) {
   switch (Target.getTriple().getArch()) {
+  case llvm::Triple::arm:
+  case llvm::Triple::thumb:
+    return EmitARMBuiltinExpr(BuiltinID, E);
   case llvm::Triple::x86:
   case llvm::Triple::x86_64:
     return EmitX86BuiltinExpr(BuiltinID, E);
@@ -746,6 +749,18 @@
   }
 }
 
+Value *CodeGenFunction::EmitARMBuiltinExpr(unsigned BuiltinID,
+                                           const CallExpr *E) {
+  switch (BuiltinID) {
+  default: return 0;
+
+  case ARM::BI__builtin_thread_pointer: {
+    Value *AtomF = CGM.getIntrinsic(Intrinsic::arm_thread_pointer, 0, 0);
+    return Builder.CreateCall(AtomF);
+  }
+  }
+}
+
 Value *CodeGenFunction::EmitX86BuiltinExpr(unsigned BuiltinID,
                                            const CallExpr *E) {
 

lib/CodeGen/CodeGenFunction.h

diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h
index d582c0d..88d6413 100644
--- a/lib/CodeGen/CodeGenFunction.h
+++ b/lib/CodeGen/CodeGenFunction.h
@@ -1122,6 +1122,7 @@
   /// is unhandled by the current target.
   llvm::Value *EmitTargetBuiltinExpr(unsigned BuiltinID, const CallExpr *E);
 
+  llvm::Value *EmitARMBuiltinExpr(unsigned BuiltinID, const CallExpr *E);
   llvm::Value *EmitX86BuiltinExpr(unsigned BuiltinID, const CallExpr *E);
   llvm::Value *EmitPPCBuiltinExpr(unsigned BuiltinID, const CallExpr *E);