Revert r100191 since it breaks objc in clang
[oota-llvm.git] / include / llvm / Intrinsics.td
index 1e7f3d68da51cc1157b469eb478c4c672bdd352e..d66e80fb22fb79b6e1999b6f26f252a25f2416e4 100644 (file)
@@ -1,10 +1,10 @@
 //===- Intrinsics.td - Defines all LLVM intrinsics ---------*- tablegen -*-===//
-// 
+//
 //                     The LLVM Compiler Infrastructure
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
-// 
+//
 //===----------------------------------------------------------------------===//
 //
 // This file defines properties of all LLVM intrinsics.
@@ -21,7 +21,7 @@ class IntrinsicProperty;
 
 // Intr*Mem - Memory properties.  An intrinsic is allowed to have exactly one of
 // these properties set.  They are listed from the most aggressive (best to use
-// if correct) to the least aggressive.  If no property is set, the worst case 
+// if correct) to the least aggressive.  If no property is set, the worst case
 // is assumed (IntrWriteMem).
 
 // IntrNoMem - The intrinsic does not access memory or have any other side
@@ -38,12 +38,11 @@ def IntrReadArgMem : IntrinsicProperty;
 def IntrReadMem : IntrinsicProperty;
 
 // IntrWriteArgMem - This intrinsic reads and writes only from memory that one
-// of its arguments points to, but may access an unspecified amount.  It has no
-// other side effects.  This may only be used if the intrinsic doesn't "capture"
-// the argument pointer (e.g. storing it someplace).
+// of its arguments points to, but may access an unspecified amount.  The reads
+// and writes may be volatile, but except for this it has no other side effects.
 def IntrWriteArgMem : IntrinsicProperty;
 
-// IntrWriteMem - This intrinsic may read or modify unspecified memory or has 
+// IntrWriteMem - This intrinsic may read or modify unspecified memory or has
 // other side effects.  It cannot be modified by the optimizer.  This is the
 // default if the intrinsic has no other Intr*Mem property.
 def IntrWriteMem : IntrinsicProperty;
@@ -51,6 +50,11 @@ def IntrWriteMem : IntrinsicProperty;
 // Commutative - This intrinsic is commutative: X op Y == Y op X.
 def Commutative : IntrinsicProperty;
 
+// NoCapture - The specified argument pointer is not captured by the intrinsic.
+class NoCapture<int argNo> : IntrinsicProperty {
+  int ArgNo = argNo;
+}
+
 //===----------------------------------------------------------------------===//
 // Types used by intrinsics.
 //===----------------------------------------------------------------------===//
@@ -62,21 +66,35 @@ class LLVMType<ValueType vt> {
 class LLVMPointerType<LLVMType elty>
   : LLVMType<iPTR>{
   LLVMType ElTy = elty;
-} 
+}
 
 class LLVMAnyPointerType<LLVMType elty>
   : LLVMType<iPTRAny>{
   LLVMType ElTy = elty;
-} 
+}
 
+// Match the type of another intrinsic parameter.  Number is an index into the
+// list of overloaded types for the intrinsic, excluding all the fixed types.
+// The Number value must refer to a previously listed type.  For example:
+//   Intrinsic<[llvm_i32_ty], [llvm_i32_ty, llvm_anyfloat_ty, LLVMMatchType<0>]>
+// has two overloaded types, the 2nd and 3rd arguments.  LLVMMatchType<0>
+// refers to the first overloaded type, which is the 2nd argument.
 class LLVMMatchType<int num>
   : LLVMType<OtherVT>{
   int Number = num;
 }
 
+// Match the type of another intrinsic parameter that is expected to be
+// an integral vector type, but change the element size to be twice as wide
+// or half as wide as the other type.  This is only useful when the intrinsic
+// is overloaded, so the matched type should be declared as iAny.
+class LLVMExtendedElementVectorType<int num> : LLVMMatchType<num>;
+class LLVMTruncatedElementVectorType<int num> : LLVMMatchType<num>;
+
 def llvm_void_ty       : LLVMType<isVoid>;
 def llvm_anyint_ty     : LLVMType<iAny>;
 def llvm_anyfloat_ty   : LLVMType<fAny>;
+def llvm_anyvector_ty  : LLVMType<vAny>;
 def llvm_i1_ty         : LLVMType<i1>;
 def llvm_i8_ty         : LLVMType<i8>;
 def llvm_i16_ty        : LLVMType<i16>;
@@ -92,22 +110,33 @@ def llvm_ptrptr_ty     : LLVMPointerType<llvm_ptr_ty>;            // i8**
 def llvm_anyptr_ty     : LLVMAnyPointerType<llvm_i8_ty>;          // (space)i8*
 def llvm_empty_ty      : LLVMType<OtherVT>;                       // { }
 def llvm_descriptor_ty : LLVMPointerType<llvm_empty_ty>;          // { }*
+def llvm_metadata_ty   : LLVMType<MetadataVT>;                    // !{...}
 
+def llvm_v2i8_ty       : LLVMType<v2i8>;     //  2 x i8
+def llvm_v4i8_ty       : LLVMType<v4i8>;     //  4 x i8
+def llvm_v8i8_ty       : LLVMType<v8i8>;     //  8 x i8
 def llvm_v16i8_ty      : LLVMType<v16i8>;    // 16 x i8
+def llvm_v32i8_ty      : LLVMType<v32i8>;    // 32 x i8
+def llvm_v2i16_ty      : LLVMType<v2i16>;    //  4 x i16
+def llvm_v4i16_ty      : LLVMType<v4i16>;    //  4 x i16
 def llvm_v8i16_ty      : LLVMType<v8i16>;    //  8 x i16
-def llvm_v2i64_ty      : LLVMType<v2i64>;    //  2 x i64
+def llvm_v16i16_ty     : LLVMType<v16i16>;   // 16 x i16
 def llvm_v2i32_ty      : LLVMType<v2i32>;    //  2 x i32
-def llvm_v1i64_ty      : LLVMType<v1i64>;    //  1 x i64
 def llvm_v4i32_ty      : LLVMType<v4i32>;    //  4 x i32
+def llvm_v8i32_ty      : LLVMType<v8i32>;    //  8 x i32
+def llvm_v1i64_ty      : LLVMType<v1i64>;    //  1 x i64
+def llvm_v2i64_ty      : LLVMType<v2i64>;    //  2 x i64
+def llvm_v4i64_ty      : LLVMType<v4i64>;    //  4 x i64
+
+def llvm_v2f32_ty      : LLVMType<v2f32>;    //  2 x float
 def llvm_v4f32_ty      : LLVMType<v4f32>;    //  4 x float
+def llvm_v8f32_ty      : LLVMType<v8f32>;    //  8 x float
 def llvm_v2f64_ty      : LLVMType<v2f64>;    //  2 x double
-
-// MMX Vector Types
-def llvm_v8i8_ty       : LLVMType<v8i8>;     //  8 x i8
-def llvm_v4i16_ty      : LLVMType<v4i16>;    //  4 x i16
+def llvm_v4f64_ty      : LLVMType<v4f64>;    //  4 x double
 
 def llvm_vararg_ty     : LLVMType<isVoid>;   // this means vararg here
 
+
 //===----------------------------------------------------------------------===//
 // Intrinsic Definitions.
 //===----------------------------------------------------------------------===//
@@ -132,6 +161,8 @@ class Intrinsic<list<LLVMType> ret_types,
   list<LLVMType> RetTypes = ret_types;
   list<LLVMType> ParamTypes = param_types;
   list<IntrinsicProperty> Properties = properties;
+
+  bit isTarget = 0;
 }
 
 /// GCCBuiltin - If this intrinsic exactly corresponds to a GCC builtin, this
@@ -143,23 +174,26 @@ class GCCBuiltin<string name> {
 
 
 //===--------------- Variable Argument Handling Intrinsics ----------------===//
-//  
+//
 
-def int_vastart : Intrinsic<[llvm_void_ty], [llvm_ptr_ty], [], "llvm.va_start">;
-def int_vacopy  : Intrinsic<[llvm_void_ty], [llvm_ptr_ty, llvm_ptr_ty], [],
+def int_vastart : Intrinsic<[], [llvm_ptr_ty], [], "llvm.va_start">;
+def int_vacopy  : Intrinsic<[], [llvm_ptr_ty, llvm_ptr_ty], [],
                             "llvm.va_copy">;
-def int_vaend   : Intrinsic<[llvm_void_ty], [llvm_ptr_ty], [], "llvm.va_end">;
+def int_vaend   : Intrinsic<[], [llvm_ptr_ty], [], "llvm.va_end">;
 
 //===------------------- Garbage Collection Intrinsics --------------------===//
-//  
-def int_gcroot  : Intrinsic<[llvm_void_ty], [llvm_ptrptr_ty, llvm_ptr_ty]>;
-def int_gcread  : Intrinsic<[llvm_ptr_ty], [llvm_ptr_ty, llvm_ptrptr_ty],
+//
+def int_gcroot  : Intrinsic<[],
+                            [llvm_ptrptr_ty, llvm_ptr_ty]>;
+def int_gcread  : Intrinsic<[llvm_ptr_ty],
+                            [llvm_ptr_ty, llvm_ptrptr_ty],
                             [IntrReadArgMem]>;
-def int_gcwrite : Intrinsic<[llvm_void_ty], [llvm_ptr_ty, llvm_ptr_ty,
-                             llvm_ptrptr_ty], [IntrWriteArgMem]>;
+def int_gcwrite : Intrinsic<[],
+                            [llvm_ptr_ty, llvm_ptr_ty, llvm_ptrptr_ty],
+                            [IntrWriteArgMem, NoCapture<1>, NoCapture<2>]>;
 
 //===--------------------- Code Generator Intrinsics ----------------------===//
-//  
+//
 def int_returnaddress : Intrinsic<[llvm_ptr_ty], [llvm_i32_ty], [IntrNoMem]>;
 def int_frameaddress  : Intrinsic<[llvm_ptr_ty], [llvm_i32_ty], [IntrNoMem]>;
 
@@ -167,48 +201,40 @@ def int_frameaddress  : Intrinsic<[llvm_ptr_ty], [llvm_i32_ty], [IntrNoMem]>;
 // model their dependencies on allocas.
 def int_stacksave     : Intrinsic<[llvm_ptr_ty]>,
                         GCCBuiltin<"__builtin_stack_save">;
-def int_stackrestore  : Intrinsic<[llvm_void_ty], [llvm_ptr_ty]>,
+def int_stackrestore  : Intrinsic<[], [llvm_ptr_ty]>,
                         GCCBuiltin<"__builtin_stack_restore">;
 
 // IntrWriteArgMem is more pessimistic than strictly necessary for prefetch,
 // however it does conveniently prevent the prefetch from being reordered
 // with respect to nearby accesses to the same memory.
-def int_prefetch      : Intrinsic<[llvm_void_ty],
+def int_prefetch      : Intrinsic<[],
                                   [llvm_ptr_ty, llvm_i32_ty, llvm_i32_ty],
-                                  [IntrWriteArgMem]>;
-def int_pcmarker      : Intrinsic<[llvm_void_ty], [llvm_i32_ty]>;
+                                  [IntrWriteArgMem, NoCapture<0>]>;
+def int_pcmarker      : Intrinsic<[], [llvm_i32_ty]>;
 
 def int_readcyclecounter : Intrinsic<[llvm_i64_ty]>;
 
-// Stack Protector Intrinsic - The stackprotector_create writes the stack guard
-// to the correct place on the stack frame.
-def int_stackprotector_create : Intrinsic<[llvm_void_ty],
-                                          [llvm_ptr_ty, llvm_ptrptr_ty],
-                                          [IntrWriteMem]>;
+// Stack Protector Intrinsic - The stackprotector intrinsic writes the stack
+// guard to the correct place on the stack frame.
+def int_stackprotector : Intrinsic<[],
+                                   [llvm_ptr_ty, llvm_ptrptr_ty],
+                                   [IntrWriteMem]>;
 
 //===------------------- Standard C Library Intrinsics --------------------===//
 //
 
-let Properties = [IntrWriteArgMem] in {
-  def int_memcpy_i32  : Intrinsic<[llvm_void_ty],
-                                  [llvm_ptr_ty, llvm_ptr_ty,
-                                   llvm_i32_ty, llvm_i32_ty]>;
-  def int_memcpy_i64  : Intrinsic<[llvm_void_ty],
-                                  [llvm_ptr_ty, llvm_ptr_ty,
-                                   llvm_i64_ty, llvm_i32_ty]>;
-  def int_memmove_i32 : Intrinsic<[llvm_void_ty],
-                                  [llvm_ptr_ty, llvm_ptr_ty,
-                                   llvm_i32_ty, llvm_i32_ty]>;
-  def int_memmove_i64 : Intrinsic<[llvm_void_ty],
-                                  [llvm_ptr_ty, llvm_ptr_ty,
-                                   llvm_i64_ty, llvm_i32_ty]>;
-  def int_memset_i32  : Intrinsic<[llvm_void_ty],
-                                  [llvm_ptr_ty, llvm_i8_ty,
-                                   llvm_i32_ty, llvm_i32_ty]>;
-  def int_memset_i64  : Intrinsic<[llvm_void_ty],
-                                  [llvm_ptr_ty, llvm_i8_ty,
-                                   llvm_i64_ty, llvm_i32_ty]>;
-}
+def int_memcpy  : Intrinsic<[],
+                             [llvm_ptr_ty, llvm_ptr_ty, llvm_anyint_ty,
+                              llvm_i32_ty],
+                            [IntrWriteArgMem, NoCapture<0>, NoCapture<1>]>;
+def int_memmove : Intrinsic<[],
+                            [llvm_ptr_ty, llvm_ptr_ty, llvm_anyint_ty,
+                             llvm_i32_ty],
+                            [IntrWriteArgMem, NoCapture<0>, NoCapture<1>]>;
+def int_memset  : Intrinsic<[],
+                            [llvm_ptr_ty, llvm_i8_ty, llvm_anyint_ty,
+                             llvm_i32_ty],
+                            [IntrWriteArgMem, NoCapture<0>]>;
 
 // These functions do not actually read memory, but they are sensitive to the
 // rounding mode.  This needs to be modelled separately; in the meantime
@@ -217,7 +243,7 @@ let Properties = [IntrReadMem] in {
   def int_sqrt : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
   def int_powi : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>, llvm_i32_ty]>;
   def int_sin  : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
-  def int_cos  : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; 
+  def int_cos  : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
   def int_pow  : Intrinsic<[llvm_anyfloat_ty],
                            [LLVMMatchType<0>, LLVMMatchType<0>]>;
   def int_log  : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
@@ -229,9 +255,14 @@ let Properties = [IntrReadMem] in {
 
 // NOTE: these are internal interfaces.
 def int_setjmp     : Intrinsic<[llvm_i32_ty],  [llvm_ptr_ty]>;
-def int_longjmp    : Intrinsic<[llvm_void_ty], [llvm_ptr_ty, llvm_i32_ty]>;
+def int_longjmp    : Intrinsic<[], [llvm_ptr_ty, llvm_i32_ty]>;
 def int_sigsetjmp  : Intrinsic<[llvm_i32_ty] , [llvm_ptr_ty, llvm_i32_ty]>;
-def int_siglongjmp : Intrinsic<[llvm_void_ty], [llvm_ptr_ty, llvm_i32_ty]>;
+def int_siglongjmp : Intrinsic<[], [llvm_ptr_ty, llvm_i32_ty]>;
+
+// Internal interface for object size checking
+def int_objectsize : Intrinsic<[llvm_anyint_ty], [llvm_ptr_ty, llvm_i1_ty],
+                               [IntrReadArgMem]>,
+                               GCCBuiltin<"__builtin_object_size">;
 
 //===-------------------- Bit Manipulation Intrinsics ---------------------===//
 //
@@ -242,53 +273,54 @@ let Properties = [IntrNoMem] in {
   def int_ctpop: Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>]>;
   def int_ctlz : Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>]>;
   def int_cttz : Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>]>;
-  def int_part_select : 
-     Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>, llvm_i32_ty, llvm_i32_ty]>;
-  def int_part_set :
-     Intrinsic<[llvm_anyint_ty],
-               [LLVMMatchType<0>, llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>;
 }
 
 //===------------------------ Debugger Intrinsics -------------------------===//
 //
 
-def int_dbg_stoppoint    : Intrinsic<[llvm_void_ty],
-                                     [llvm_i32_ty, llvm_i32_ty, 
-                                      llvm_descriptor_ty]>;
-def int_dbg_region_start : Intrinsic<[llvm_void_ty], [llvm_descriptor_ty]>;
-def int_dbg_region_end   : Intrinsic<[llvm_void_ty], [llvm_descriptor_ty]>;
-def int_dbg_func_start   : Intrinsic<[llvm_void_ty], [llvm_descriptor_ty]>;
-def int_dbg_declare      : Intrinsic<[llvm_void_ty],
-                                     [llvm_descriptor_ty, llvm_descriptor_ty]>;
+// None of these intrinsics accesses memory at all...but that doesn't mean the
+// optimizers can change them aggressively.  Special handling needed in a few
+// places.
+let Properties = [IntrNoMem] in {
+  def int_dbg_declare      : Intrinsic<[],
+                                       [llvm_metadata_ty, llvm_metadata_ty]>;
+  def int_dbg_value       : Intrinsic<[],
+                                       [llvm_metadata_ty, llvm_i64_ty,
+                                        llvm_metadata_ty]>;
+}
 
 //===------------------ Exception Handling Intrinsics----------------------===//
 //
-def int_eh_exception    : Intrinsic<[llvm_ptr_ty]>;
-def int_eh_selector_i32 : Intrinsic<[llvm_i32_ty],
-                                    [llvm_ptr_ty, llvm_ptr_ty, llvm_vararg_ty]>;
-def int_eh_selector_i64 : Intrinsic<[llvm_i64_ty],
-                                    [llvm_ptr_ty, llvm_ptr_ty, llvm_vararg_ty]>;
+def int_eh_exception : Intrinsic<[llvm_ptr_ty], [], [IntrReadMem]>;
+def int_eh_selector  : Intrinsic<[llvm_i32_ty],
+                                 [llvm_ptr_ty, llvm_ptr_ty, llvm_vararg_ty]>;
 
-def int_eh_typeid_for_i32 : Intrinsic<[llvm_i32_ty], [llvm_ptr_ty]>;
-def int_eh_typeid_for_i64 : Intrinsic<[llvm_i64_ty], [llvm_ptr_ty]>;
+def int_eh_typeid_for : Intrinsic<[llvm_i32_ty], [llvm_ptr_ty]>;
 
-def int_eh_return_i32 : Intrinsic<[llvm_void_ty], [llvm_i32_ty, llvm_ptr_ty]>;
-def int_eh_return_i64 : Intrinsic<[llvm_void_ty], [llvm_i64_ty, llvm_ptr_ty]>;
+def int_eh_return_i32 : Intrinsic<[], [llvm_i32_ty, llvm_ptr_ty]>;
+def int_eh_return_i64 : Intrinsic<[], [llvm_i64_ty, llvm_ptr_ty]>;
 
-def int_eh_unwind_init: Intrinsic<[llvm_void_ty]>,
+def int_eh_unwind_init: Intrinsic<[]>,
                         GCCBuiltin<"__builtin_unwind_init">;
 
 def int_eh_dwarf_cfa  : Intrinsic<[llvm_ptr_ty], [llvm_i32_ty]>;
 
+let Properties = [IntrNoMem] in {
+  def int_eh_sjlj_setjmp  : Intrinsic<[llvm_i32_ty],  [llvm_ptr_ty]>;
+  def int_eh_sjlj_longjmp : Intrinsic<[], [llvm_ptr_ty]>;
+  def int_eh_sjlj_lsda    : Intrinsic<[llvm_ptr_ty]>;
+  def int_eh_sjlj_callsite: Intrinsic<[], [llvm_i32_ty]>;
+}
+
 //===---------------- Generic Variable Attribute Intrinsics----------------===//
 //
-def int_var_annotation : Intrinsic<[llvm_void_ty],
+def int_var_annotation : Intrinsic<[],
                                    [llvm_ptr_ty, llvm_ptr_ty,
-                                    llvm_ptr_ty, llvm_i32_ty], 
-                                    [], "llvm.var.annotation">;
+                                    llvm_ptr_ty, llvm_i32_ty],
+                                   [], "llvm.var.annotation">;
 def int_ptr_annotation : Intrinsic<[LLVMAnyPointerType<llvm_anyint_ty>],
                                    [LLVMMatchType<0>, llvm_ptr_ty, llvm_ptr_ty,
-                                    llvm_i32_ty], 
+                                    llvm_i32_ty],
                                    [], "llvm.ptr.annotation">;
 def int_annotation : Intrinsic<[llvm_anyint_ty],
                                [LLVMMatchType<0>, llvm_ptr_ty,
@@ -299,83 +331,133 @@ def int_annotation : Intrinsic<[llvm_anyint_ty],
 //
 def int_init_trampoline : Intrinsic<[llvm_ptr_ty],
                                     [llvm_ptr_ty, llvm_ptr_ty, llvm_ptr_ty],
-                                    []>,
+                                    [IntrWriteArgMem]>,
                           GCCBuiltin<"__builtin_init_trampoline">;
 
+//===------------------------ Overflow Intrinsics -------------------------===//
+//
+
+// Expose the carry flag from add operations on two integrals.
+def int_sadd_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
+                                       [LLVMMatchType<0>, LLVMMatchType<0>],
+                                       [IntrNoMem]>;
+def int_uadd_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
+                                       [LLVMMatchType<0>, LLVMMatchType<0>],
+                                       [IntrNoMem]>;
+
+def int_ssub_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
+                                       [LLVMMatchType<0>, LLVMMatchType<0>],
+                                       [IntrNoMem]>;
+def int_usub_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
+                                       [LLVMMatchType<0>, LLVMMatchType<0>],
+                                       [IntrNoMem]>;
+
+def int_smul_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
+                                       [LLVMMatchType<0>, LLVMMatchType<0>],
+                                       [IntrNoMem]>;
+def int_umul_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
+                                       [LLVMMatchType<0>, LLVMMatchType<0>],
+                                       [IntrNoMem]>;
+
 //===------------------------- Atomic Intrinsics --------------------------===//
 //
-def int_memory_barrier : Intrinsic<[llvm_void_ty], [llvm_i1_ty, llvm_i1_ty,
+def int_memory_barrier : Intrinsic<[],
+                                   [llvm_i1_ty, llvm_i1_ty,
                                     llvm_i1_ty, llvm_i1_ty, llvm_i1_ty], []>,
                                     GCCBuiltin<"__builtin_llvm_memory_barrier">;
 
 def int_atomic_cmp_swap : Intrinsic<[llvm_anyint_ty],
                                     [LLVMAnyPointerType<LLVMMatchType<0>>,
                                      LLVMMatchType<0>, LLVMMatchType<0>],
-                                    [IntrWriteArgMem]>,
+                                    [IntrWriteArgMem, NoCapture<0>]>,
                            GCCBuiltin<"__sync_val_compare_and_swap">;
 def int_atomic_load_add : Intrinsic<[llvm_anyint_ty],
                                     [LLVMAnyPointerType<LLVMMatchType<0>>,
                                      LLVMMatchType<0>],
-                                    [IntrWriteArgMem]>,
+                                    [IntrWriteArgMem, NoCapture<0>]>,
                            GCCBuiltin<"__sync_fetch_and_add">;
 def int_atomic_swap     : Intrinsic<[llvm_anyint_ty],
                                     [LLVMAnyPointerType<LLVMMatchType<0>>,
                                      LLVMMatchType<0>],
-                                    [IntrWriteArgMem]>,
+                                    [IntrWriteArgMem, NoCapture<0>]>,
                            GCCBuiltin<"__sync_lock_test_and_set">;
 def int_atomic_load_sub : Intrinsic<[llvm_anyint_ty],
                                     [LLVMAnyPointerType<LLVMMatchType<0>>,
                                      LLVMMatchType<0>],
-                                    [IntrWriteArgMem]>,
+                                    [IntrWriteArgMem, NoCapture<0>]>,
                            GCCBuiltin<"__sync_fetch_and_sub">;
 def int_atomic_load_and : Intrinsic<[llvm_anyint_ty],
                                     [LLVMAnyPointerType<LLVMMatchType<0>>,
                                      LLVMMatchType<0>],
-                                    [IntrWriteArgMem]>,
+                                    [IntrWriteArgMem, NoCapture<0>]>,
                            GCCBuiltin<"__sync_fetch_and_and">;
 def int_atomic_load_or   : Intrinsic<[llvm_anyint_ty],
                                      [LLVMAnyPointerType<LLVMMatchType<0>>,
                                       LLVMMatchType<0>],
-                                     [IntrWriteArgMem]>,
+                                     [IntrWriteArgMem, NoCapture<0>]>,
                            GCCBuiltin<"__sync_fetch_and_or">;
 def int_atomic_load_xor : Intrinsic<[llvm_anyint_ty],
                                     [LLVMAnyPointerType<LLVMMatchType<0>>,
                                      LLVMMatchType<0>],
-                                    [IntrWriteArgMem]>,
+                                    [IntrWriteArgMem, NoCapture<0>]>,
                            GCCBuiltin<"__sync_fetch_and_xor">;
 def int_atomic_load_nand : Intrinsic<[llvm_anyint_ty],
                                      [LLVMAnyPointerType<LLVMMatchType<0>>,
                                       LLVMMatchType<0>],
-                                     [IntrWriteArgMem]>,
+                                     [IntrWriteArgMem, NoCapture<0>]>,
                            GCCBuiltin<"__sync_fetch_and_nand">;
 def int_atomic_load_min  : Intrinsic<[llvm_anyint_ty],
                                      [LLVMAnyPointerType<LLVMMatchType<0>>,
                                       LLVMMatchType<0>],
-                                     [IntrWriteArgMem]>,
+                                     [IntrWriteArgMem, NoCapture<0>]>,
                            GCCBuiltin<"__sync_fetch_and_min">;
 def int_atomic_load_max  : Intrinsic<[llvm_anyint_ty],
                                      [LLVMAnyPointerType<LLVMMatchType<0>>,
                                       LLVMMatchType<0>],
-                                     [IntrWriteArgMem]>,
+                                     [IntrWriteArgMem, NoCapture<0>]>,
                            GCCBuiltin<"__sync_fetch_and_max">;
 def int_atomic_load_umin : Intrinsic<[llvm_anyint_ty],
                                      [LLVMAnyPointerType<LLVMMatchType<0>>,
                                       LLVMMatchType<0>],
-                                     [IntrWriteArgMem]>,
+                                     [IntrWriteArgMem, NoCapture<0>]>,
                            GCCBuiltin<"__sync_fetch_and_umin">;
 def int_atomic_load_umax : Intrinsic<[llvm_anyint_ty],
                                      [LLVMAnyPointerType<LLVMMatchType<0>>,
                                       LLVMMatchType<0>],
-                                     [IntrWriteArgMem]>,
+                                     [IntrWriteArgMem, NoCapture<0>]>,
                            GCCBuiltin<"__sync_fetch_and_umax">;
-                                  
+
+//===------------------------- Memory Use Markers -------------------------===//
+//
+def int_lifetime_start  : Intrinsic<[],
+                                    [llvm_i64_ty, llvm_ptr_ty],
+                                    [IntrWriteArgMem, NoCapture<1>]>;
+def int_lifetime_end    : Intrinsic<[],
+                                    [llvm_i64_ty, llvm_ptr_ty],
+                                    [IntrWriteArgMem, NoCapture<1>]>;
+def int_invariant_start : Intrinsic<[llvm_descriptor_ty],
+                                    [llvm_i64_ty, llvm_ptr_ty],
+                                    [IntrReadArgMem, NoCapture<1>]>;
+def int_invariant_end   : Intrinsic<[],
+                                    [llvm_descriptor_ty, llvm_i64_ty,
+                                     llvm_ptr_ty],
+                                    [IntrWriteArgMem, NoCapture<2>]>;
+
 //===-------------------------- Other Intrinsics --------------------------===//
 //
 def int_flt_rounds : Intrinsic<[llvm_i32_ty]>,
                      GCCBuiltin<"__builtin_flt_rounds">;
-def int_trap : Intrinsic<[llvm_void_ty]>,
+def int_trap : Intrinsic<[]>,
                GCCBuiltin<"__builtin_trap">;
 
+// Intrisics to support half precision floating point format
+let Properties = [IntrNoMem] in {
+def int_convert_to_fp16   : Intrinsic<[llvm_i16_ty], [llvm_float_ty]>,
+                            GCCBuiltin<"__gnu_f2h_ieee">;
+def int_convert_from_fp16 : Intrinsic<[llvm_float_ty], [llvm_i16_ty]>,
+                            GCCBuiltin<"__gnu_h2f_ieee">;
+}
+
 // These convert intrinsics are to support various conversions between
 // various types with rounding and saturation. NOTE: avoid using these
 // intrinsics as they might be removed sometime in the future and