r216452 - ARM: Add dbg builtin intrinsic

[Yi Kong]

Author: kongyi
Date: Tue Aug 26 07:48:06 2014
New Revision: 216452

URL: http://llvm.org/viewvc/llvm-project?rev=216452&view=rev
Log:
ARM: Add dbg builtin intrinsic

Modified:
    cfe/trunk/include/clang/Basic/BuiltinsARM.def
    cfe/trunk/lib/CodeGen/CGBuiltin.cpp
    cfe/trunk/lib/Sema/SemaChecking.cpp
    cfe/trunk/test/CodeGen/builtins-arm.c
    cfe/trunk/test/Sema/builtins-arm.c

Modified: cfe/trunk/include/clang/Basic/BuiltinsARM.def
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/BuiltinsARM.def?rev=216452&r1=216451&r2=216452&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/BuiltinsARM.def (original)
+++ cfe/trunk/include/clang/Basic/BuiltinsARM.def Tue Aug 26 07:48:06 2014
@@ -74,6 +74,7 @@ BUILTIN(__builtin_arm_wfe, "v", "")
 BUILTIN(__builtin_arm_wfi, "v", "")
 BUILTIN(__builtin_arm_sev, "v", "")
 BUILTIN(__builtin_arm_sevl, "v", "")
+BUILTIN(__builtin_arm_dbg, "vUi", "")
 
 // Data barrier
 BUILTIN(__builtin_arm_dmb, "vUi", "nc")

Modified: cfe/trunk/lib/CodeGen/CGBuiltin.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGBuiltin.cpp?rev=216452&r1=216451&r2=216452&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGBuiltin.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGBuiltin.cpp Tue Aug 26 07:48:06 2014
@@ -3094,6 +3094,11 @@ Value *CodeGenFunction::EmitARMBuiltinEx
     return Builder.CreateCall(F, llvm::ConstantInt::get(Int32Ty, HintID));
   }
 
+  if (BuiltinID == ARM::BI__builtin_arm_dbg) {
+    Value *Option = EmitScalarExpr(E->getArg(0));
+    return Builder.CreateCall(CGM.getIntrinsic(Intrinsic::arm_dbg), Option);
+  }
+
   if (BuiltinID == ARM::BI__builtin_arm_prefetch) {
     Value *Address = EmitScalarExpr(E->getArg(0));
     Value *RW      = EmitScalarExpr(E->getArg(1));

Modified: cfe/trunk/lib/Sema/SemaChecking.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaChecking.cpp?rev=216452&r1=216451&r2=216452&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaChecking.cpp (original)
+++ cfe/trunk/lib/Sema/SemaChecking.cpp Tue Aug 26 07:48:06 2014
@@ -643,7 +643,8 @@ bool Sema::CheckARMBuiltinFunctionCall(u
   case ARM::BI__builtin_arm_vcvtr_d: i = 1; u = 1; break;
   case ARM::BI__builtin_arm_dmb:
   case ARM::BI__builtin_arm_dsb:
-  case ARM::BI__builtin_arm_isb: l = 0; u = 15; break;
+  case ARM::BI__builtin_arm_isb:
+  case ARM::BI__builtin_arm_dbg: l = 0; u = 15; break;
   }
 
   // FIXME: VFP Intrinsics should error if VFP not present.
@@ -681,7 +682,6 @@ bool Sema::CheckAArch64BuiltinFunctionCa
   case AArch64::BI__builtin_arm_isb: l = 0; u = 15; break;
   }
 
-  // FIXME: VFP Intrinsics should error if VFP not present.
   return SemaBuiltinConstantArgRange(TheCall, i, l, u + l);
 }
 

Modified: cfe/trunk/test/CodeGen/builtins-arm.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/builtins-arm.c?rev=216452&r1=216451&r2=216452&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/builtins-arm.c (original)
+++ cfe/trunk/test/CodeGen/builtins-arm.c Tue Aug 26 07:48:06 2014
@@ -55,6 +55,12 @@ void sevl() {
 
 // CHECK: call {{.*}} @llvm.arm.hint(i32 5)
 
+void dbg() {
+  __builtin_arm_dbg(0);
+}
+
+// CHECK: call {{.*}} @llvm.arm.dbg(i32 0)
+
 void test_barrier() {
   __builtin_arm_dmb(1); //CHECK: call {{.*}} @llvm.arm.dmb(i32 1)
   __builtin_arm_dsb(2); //CHECK: call {{.*}} @llvm.arm.dsb(i32 2)

Modified: cfe/trunk/test/Sema/builtins-arm.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Sema/builtins-arm.c?rev=216452&r1=216451&r2=216452&view=diff
==============================================================================
--- cfe/trunk/test/Sema/builtins-arm.c (original)
+++ cfe/trunk/test/Sema/builtins-arm.c Tue Aug 26 07:48:06 2014
@@ -30,6 +30,7 @@ void test2() {
   __builtin_va_list ptr = "x";
   *ptr = '0'; // expected-error {{incomplete type 'void' is not assignable}}
 }
+#endif
 
 void test3() {
   __builtin_arm_dsb(16); // expected-error {{argument should be a value from 0 to 15}}
@@ -42,4 +43,6 @@ void test4() {
   __builtin_arm_prefetch(0, 0, 2); // expected-error {{argument should be a value from 0 to 1}}
 }
 
-#endif
+void test5() {
+  __builtin_arm_dbg(16); // expected-error {{argument should be a value from 0 to 15}}
+}