diff options
| -rw-r--r-- | include/llvm/Intrinsics.td | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/llvm/Intrinsics.td b/include/llvm/Intrinsics.td index ef4f0961ed..6b6b0f51d1 100644 --- a/include/llvm/Intrinsics.td +++ b/include/llvm/Intrinsics.td @@ -153,8 +153,12 @@ def int_stacksave : Intrinsic<[llvm_ptr_ty], [IntrReadMem]>, GCCBuiltin<"__builtin_stack_save">; def int_stackrestore : Intrinsic<[llvm_void_ty, 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, llvm_ptr_ty, - llvm_i32_ty, llvm_i32_ty]>; + llvm_i32_ty, llvm_i32_ty], + [IntrWriteArgMem]>; def int_pcmarker : Intrinsic<[llvm_void_ty, llvm_i32_ty]>; def int_readcyclecounter : Intrinsic<[llvm_i64_ty]>; |