r243413 - [AArch64] Implement __builtin_thread_pointer

[Adhemerval Zanella]

Author: azanella
Date: Tue Jul 28 08:10:10 2015
New Revision: 243413

URL: http://llvm.org/viewvc/llvm-project?rev=243413&view=rev
Log:
[AArch64] Implement __builtin_thread_pointer

This path add the aarch64 __builtin_thread_pointer support.  It will be
lowered to llvm.aarch64.thread.pointer.

Modified:
    cfe/trunk/include/clang/Basic/BuiltinsAArch64.def
    cfe/trunk/lib/CodeGen/CGBuiltin.cpp
    cfe/trunk/test/CodeGen/builtins-arm64.c

Modified: cfe/trunk/include/clang/Basic/BuiltinsAArch64.def
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/BuiltinsAArch64.def?rev=243413&r1=243412&r2=243413&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/BuiltinsAArch64.def (original)
+++ cfe/trunk/include/clang/Basic/BuiltinsAArch64.def Tue Jul 28 08:10:10 2015
@@ -60,5 +60,6 @@ BUILTIN(__builtin_arm_rsrp, "v*cC*", "nc
 BUILTIN(__builtin_arm_wsr, "vcC*Ui", "nc")
 BUILTIN(__builtin_arm_wsr64, "vcC*LUi", "nc")
 BUILTIN(__builtin_arm_wsrp, "vcC*vC*", "nc")
+BUILTIN(__builtin_thread_pointer, "v*", "nc")
 
 #undef BUILTIN

Modified: cfe/trunk/lib/CodeGen/CGBuiltin.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGBuiltin.cpp?rev=243413&r1=243412&r2=243413&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGBuiltin.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGBuiltin.cpp Tue Jul 28 08:10:10 2015
@@ -4342,6 +4342,11 @@ Value *CodeGenFunction::EmitAArch64Built
     return Builder.CreateCall(F);
   }
 
+  if (BuiltinID == AArch64::BI__builtin_thread_pointer) {
+    Function *F = CGM.getIntrinsic(Intrinsic::aarch64_thread_pointer);
+    return Builder.CreateCall(F);
+  }
+
   // CRC32
   Intrinsic::ID CRCIntrinsicID = Intrinsic::not_intrinsic;
   switch (BuiltinID) {

Modified: cfe/trunk/test/CodeGen/builtins-arm64.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/builtins-arm64.c?rev=243413&r1=243412&r2=243413&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/builtins-arm64.c (original)
+++ cfe/trunk/test/CodeGen/builtins-arm64.c Tue Jul 28 08:10:10 2015
@@ -5,6 +5,11 @@ void f0(void *a, void *b) {
 // CHECK: call {{.*}} @__clear_cache
 }
 
+void *tp (void) {
+  return __builtin_thread_pointer ();
+// CHECK: call {{.*}} @llvm.aarch64.thread.pointer()
+}
+
 // CHECK: call {{.*}} @llvm.aarch64.rbit.i32(i32 %a)
 unsigned rbit(unsigned a) {
   return __builtin_arm_rbit(a);