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-rw-r--r--include/llvm/Intrinsics.td69
1 files changed, 32 insertions, 37 deletions
diff --git a/include/llvm/Intrinsics.td b/include/llvm/Intrinsics.td
index 444f514..fb4f750 100644
--- a/include/llvm/Intrinsics.td
+++ b/include/llvm/Intrinsics.td
@@ -19,10 +19,11 @@ include "llvm/CodeGen/ValueTypes.td"
class IntrinsicProperty;
-// Intr*Mem - Memory properties. An intrinsic is allowed to have exactly one of
+// Intr*Mem - Memory properties. An intrinsic is allowed to have at most 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
-// is assumed (IntrWriteMem).
+// is assumed (it may read and write any memory it can get access to and it may
+// have other side effects).
// IntrNoMem - The intrinsic does not access memory or have any other side
// effects. It may be CSE'd deleted if dead, etc.
@@ -37,15 +38,11 @@ def IntrReadArgMem : IntrinsicProperty;
// deleted if dead.
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. 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
-// 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;
+// IntrReadWriteArgMem - This intrinsic reads and writes only from memory that
+// one 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 IntrReadWriteArgMem : IntrinsicProperty;
// Commutative - This intrinsic is commutative: X op Y == Y op X.
def Commutative : IntrinsicProperty;
@@ -117,7 +114,7 @@ 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_v2i16_ty : LLVMType<v2i16>; // 2 x i16
def llvm_v4i16_ty : LLVMType<v4i16>; // 4 x i16
def llvm_v8i16_ty : LLVMType<v8i16>; // 8 x i16
def llvm_v16i16_ty : LLVMType<v16i16>; // 16 x i16
@@ -190,7 +187,7 @@ def int_gcread : Intrinsic<[llvm_ptr_ty],
[IntrReadArgMem]>;
def int_gcwrite : Intrinsic<[],
[llvm_ptr_ty, llvm_ptr_ty, llvm_ptrptr_ty],
- [IntrWriteArgMem, NoCapture<1>, NoCapture<2>]>;
+ [IntrReadWriteArgMem, NoCapture<1>, NoCapture<2>]>;
//===--------------------- Code Generator Intrinsics ----------------------===//
//
@@ -204,21 +201,19 @@ def int_stacksave : Intrinsic<[llvm_ptr_ty]>,
def int_stackrestore : Intrinsic<[], [llvm_ptr_ty]>,
GCCBuiltin<"__builtin_stack_restore">;
-// IntrWriteArgMem is more pessimistic than strictly necessary for prefetch,
+// IntrReadWriteArgMem 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_ptr_ty, llvm_i32_ty, llvm_i32_ty],
- [IntrWriteArgMem, NoCapture<0>]>;
+ [IntrReadWriteArgMem, NoCapture<0>]>;
def int_pcmarker : Intrinsic<[], [llvm_i32_ty]>;
def int_readcyclecounter : Intrinsic<[llvm_i64_ty]>;
// 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]>;
+def int_stackprotector : Intrinsic<[], [llvm_ptr_ty, llvm_ptrptr_ty], []>;
//===------------------- Standard C Library Intrinsics --------------------===//
//
@@ -226,15 +221,15 @@ def int_stackprotector : Intrinsic<[],
def int_memcpy : Intrinsic<[],
[llvm_anyptr_ty, llvm_anyptr_ty, llvm_anyint_ty,
llvm_i32_ty, llvm_i1_ty],
- [IntrWriteArgMem, NoCapture<0>, NoCapture<1>]>;
+ [IntrReadWriteArgMem, NoCapture<0>, NoCapture<1>]>;
def int_memmove : Intrinsic<[],
[llvm_anyptr_ty, llvm_anyptr_ty, llvm_anyint_ty,
llvm_i32_ty, llvm_i1_ty],
- [IntrWriteArgMem, NoCapture<0>, NoCapture<1>]>;
+ [IntrReadWriteArgMem, NoCapture<0>, NoCapture<1>]>;
def int_memset : Intrinsic<[],
[llvm_anyptr_ty, llvm_i8_ty, llvm_anyint_ty,
llvm_i32_ty, llvm_i1_ty],
- [IntrWriteArgMem, NoCapture<0>]>;
+ [IntrReadWriteArgMem, 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
@@ -331,7 +326,7 @@ 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]>,
+ [IntrReadWriteArgMem]>,
GCCBuiltin<"__builtin_init_trampoline">;
//===------------------------ Overflow Intrinsics -------------------------===//
@@ -369,79 +364,79 @@ def int_memory_barrier : Intrinsic<[],
def int_atomic_cmp_swap : Intrinsic<[llvm_anyint_ty],
[LLVMAnyPointerType<LLVMMatchType<0>>,
LLVMMatchType<0>, LLVMMatchType<0>],
- [IntrWriteArgMem, NoCapture<0>]>,
+ [IntrReadWriteArgMem, NoCapture<0>]>,
GCCBuiltin<"__sync_val_compare_and_swap">;
def int_atomic_load_add : Intrinsic<[llvm_anyint_ty],
[LLVMAnyPointerType<LLVMMatchType<0>>,
LLVMMatchType<0>],
- [IntrWriteArgMem, NoCapture<0>]>,
+ [IntrReadWriteArgMem, NoCapture<0>]>,
GCCBuiltin<"__sync_fetch_and_add">;
def int_atomic_swap : Intrinsic<[llvm_anyint_ty],
[LLVMAnyPointerType<LLVMMatchType<0>>,
LLVMMatchType<0>],
- [IntrWriteArgMem, NoCapture<0>]>,
+ [IntrReadWriteArgMem, NoCapture<0>]>,
GCCBuiltin<"__sync_lock_test_and_set">;
def int_atomic_load_sub : Intrinsic<[llvm_anyint_ty],
[LLVMAnyPointerType<LLVMMatchType<0>>,
LLVMMatchType<0>],
- [IntrWriteArgMem, NoCapture<0>]>,
+ [IntrReadWriteArgMem, NoCapture<0>]>,
GCCBuiltin<"__sync_fetch_and_sub">;
def int_atomic_load_and : Intrinsic<[llvm_anyint_ty],
[LLVMAnyPointerType<LLVMMatchType<0>>,
LLVMMatchType<0>],
- [IntrWriteArgMem, NoCapture<0>]>,
+ [IntrReadWriteArgMem, NoCapture<0>]>,
GCCBuiltin<"__sync_fetch_and_and">;
def int_atomic_load_or : Intrinsic<[llvm_anyint_ty],
[LLVMAnyPointerType<LLVMMatchType<0>>,
LLVMMatchType<0>],
- [IntrWriteArgMem, NoCapture<0>]>,
+ [IntrReadWriteArgMem, NoCapture<0>]>,
GCCBuiltin<"__sync_fetch_and_or">;
def int_atomic_load_xor : Intrinsic<[llvm_anyint_ty],
[LLVMAnyPointerType<LLVMMatchType<0>>,
LLVMMatchType<0>],
- [IntrWriteArgMem, NoCapture<0>]>,
+ [IntrReadWriteArgMem, NoCapture<0>]>,
GCCBuiltin<"__sync_fetch_and_xor">;
def int_atomic_load_nand : Intrinsic<[llvm_anyint_ty],
[LLVMAnyPointerType<LLVMMatchType<0>>,
LLVMMatchType<0>],
- [IntrWriteArgMem, NoCapture<0>]>,
+ [IntrReadWriteArgMem, NoCapture<0>]>,
GCCBuiltin<"__sync_fetch_and_nand">;
def int_atomic_load_min : Intrinsic<[llvm_anyint_ty],
[LLVMAnyPointerType<LLVMMatchType<0>>,
LLVMMatchType<0>],
- [IntrWriteArgMem, NoCapture<0>]>,
+ [IntrReadWriteArgMem, NoCapture<0>]>,
GCCBuiltin<"__sync_fetch_and_min">;
def int_atomic_load_max : Intrinsic<[llvm_anyint_ty],
[LLVMAnyPointerType<LLVMMatchType<0>>,
LLVMMatchType<0>],
- [IntrWriteArgMem, NoCapture<0>]>,
+ [IntrReadWriteArgMem, NoCapture<0>]>,
GCCBuiltin<"__sync_fetch_and_max">;
def int_atomic_load_umin : Intrinsic<[llvm_anyint_ty],
[LLVMAnyPointerType<LLVMMatchType<0>>,
LLVMMatchType<0>],
- [IntrWriteArgMem, NoCapture<0>]>,
+ [IntrReadWriteArgMem, NoCapture<0>]>,
GCCBuiltin<"__sync_fetch_and_umin">;
def int_atomic_load_umax : Intrinsic<[llvm_anyint_ty],
[LLVMAnyPointerType<LLVMMatchType<0>>,
LLVMMatchType<0>],
- [IntrWriteArgMem, NoCapture<0>]>,
+ [IntrReadWriteArgMem, NoCapture<0>]>,
GCCBuiltin<"__sync_fetch_and_umax">;
//===------------------------- Memory Use Markers -------------------------===//
//
def int_lifetime_start : Intrinsic<[],
[llvm_i64_ty, llvm_ptr_ty],
- [IntrWriteArgMem, NoCapture<1>]>;
+ [IntrReadWriteArgMem, NoCapture<1>]>;
def int_lifetime_end : Intrinsic<[],
[llvm_i64_ty, llvm_ptr_ty],
- [IntrWriteArgMem, NoCapture<1>]>;
+ [IntrReadWriteArgMem, 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>]>;
+ [IntrReadWriteArgMem, NoCapture<2>]>;
//===-------------------------- Other Intrinsics --------------------------===//
//
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