This patch adds BuiltinsARM.def, which currently contains just a single
function but should presumably at some point have all the NEON
intrinsics.
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Index: test/CodeGen/builtins-arm.c
===================================================================
--- test/CodeGen/builtins-arm.c (revision 0)
+++ test/CodeGen/builtins-arm.c (revision 0)
@@ -0,0 +1,6 @@
+// RUN: %clang_cc1 -triple thumbv7-eabi -target-cpu cortex-a8 -O3 -emit-llvm -o %t %s
+
+void *f0()
+{
+ return __builtin_thread_pointer();
+}
Index: include/clang/Basic/TargetBuiltins.h
===================================================================
--- include/clang/Basic/TargetBuiltins.h (revision 97652)
+++ include/clang/Basic/TargetBuiltins.h (working copy)
@@ -14,12 +14,13 @@
#undef PPC
namespace clang {
- /// X86 builtins
- namespace X86 {
+
+ /// ARM builtins
+ namespace ARM {
enum {
LastTIBuiltin = clang::Builtin::FirstTSBuiltin-1,
#define BUILTIN(ID, TYPE, ATTRS) BI##ID,
-#include "clang/Basic/BuiltinsX86.def"
+#include "clang/Basic/BuiltinsARM.def"
LastTSBuiltin
};
}
@@ -33,6 +34,17 @@
LastTSBuiltin
};
}
+
+ /// X86 builtins
+ namespace X86 {
+ enum {
+ LastTIBuiltin = clang::Builtin::FirstTSBuiltin-1,
+#define BUILTIN(ID, TYPE, ATTRS) BI##ID,
+#include "clang/Basic/BuiltinsX86.def"
+ LastTSBuiltin
+ };
+ }
+
} // end namespace clang.
#endif
Index: include/clang/Basic/BuiltinsARM.def
===================================================================
--- include/clang/Basic/BuiltinsARM.def (revision 0)
+++ include/clang/Basic/BuiltinsARM.def (revision 0)
@@ -0,0 +1,20 @@
+//===--- BuiltinsARM.def - ARM 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 ARM-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.
+
+// FIXME: This is just a placeholder. NEON intrinsics should be listed here.
+BUILTIN(__builtin_thread_pointer, "v*", "")
+
+#undef BUILTIN
Index: lib/Basic/Targets.cpp
===================================================================
--- lib/Basic/Targets.cpp (revision 97652)
+++ lib/Basic/Targets.cpp (working copy)
@@ -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.
Index: lib/CodeGen/CodeGenFunction.h
===================================================================
--- lib/CodeGen/CodeGenFunction.h (revision 97652)
+++ lib/CodeGen/CodeGenFunction.h (working copy)
@@ -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);
Index: lib/CodeGen/CGBuiltin.cpp
===================================================================
--- lib/CodeGen/CGBuiltin.cpp (revision 97652)
+++ lib/CodeGen/CGBuiltin.cpp (working copy)
@@ -717,6 +717,9 @@
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);
@@ -728,6 +731,18 @@
}
}
+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) {
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