[llvm] r268996 - [nvvm] Mark ldu and ldg intrinsics as IntrArgMemOnly.

[Justin Lebar via llvm-commits]

Author: jlebar
Date: Mon May  9 19:31:25 2016
New Revision: 268996

URL: http://llvm.org/viewvc/llvm-project?rev=268996&view=rev
Log:
[nvvm] Mark ldu and ldg intrinsics as IntrArgMemOnly.

Summary:
Previously these intrinsics were marked as can-read any memory address.
Now they're marked as reading only the pointer they're passed.

Reviewers: rnk

Subscribers: jholewinski, llvm-commits, tra

Differential Revision: http://reviews.llvm.org/D20080

Modified:
    llvm/trunk/include/llvm/IR/IntrinsicsNVVM.td

Modified: llvm/trunk/include/llvm/IR/IntrinsicsNVVM.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IR/IntrinsicsNVVM.td?rev=268996&r1=268995&r2=268996&view=diff
==============================================================================
--- llvm/trunk/include/llvm/IR/IntrinsicsNVVM.td (original)
+++ llvm/trunk/include/llvm/IR/IntrinsicsNVVM.td Mon May  9 19:31:25 2016
@@ -799,30 +799,30 @@ def llvm_anyi64ptr_ty     : LLVMAnyPoint
 // pointer's alignment.
 def int_nvvm_ldu_global_i : Intrinsic<[llvm_anyint_ty],
   [LLVMAnyPointerType<LLVMMatchType<0>>, llvm_i32_ty],
-  [IntrReadMem, NoCapture<0>],
+  [IntrReadMem, IntrArgMemOnly, NoCapture<0>],
   "llvm.nvvm.ldu.global.i">;
 def int_nvvm_ldu_global_f : Intrinsic<[llvm_anyfloat_ty],
   [LLVMAnyPointerType<LLVMMatchType<0>>, llvm_i32_ty],
-  [IntrReadMem, NoCapture<0>],
+  [IntrReadMem, IntrArgMemOnly, NoCapture<0>],
   "llvm.nvvm.ldu.global.f">;
 def int_nvvm_ldu_global_p : Intrinsic<[llvm_anyptr_ty],
   [LLVMAnyPointerType<LLVMMatchType<0>>, llvm_i32_ty],
-  [IntrReadMem, NoCapture<0>],
+  [IntrReadMem, IntrArgMemOnly, NoCapture<0>],
   "llvm.nvvm.ldu.global.p">;
 
 // Generated within nvvm. Use for ldg on sm_35 or later.  Second arg is the
 // pointer's alignment.
 def int_nvvm_ldg_global_i : Intrinsic<[llvm_anyint_ty],
   [LLVMAnyPointerType<LLVMMatchType<0>>, llvm_i32_ty],
-  [IntrReadMem, NoCapture<0>],
+  [IntrReadMem, IntrArgMemOnly, NoCapture<0>],
   "llvm.nvvm.ldg.global.i">;
 def int_nvvm_ldg_global_f : Intrinsic<[llvm_anyfloat_ty],
   [LLVMAnyPointerType<LLVMMatchType<0>>, llvm_i32_ty],
-  [IntrReadMem, NoCapture<0>],
+  [IntrReadMem, IntrArgMemOnly, NoCapture<0>],
   "llvm.nvvm.ldg.global.f">;
 def int_nvvm_ldg_global_p : Intrinsic<[llvm_anyptr_ty],
   [LLVMAnyPointerType<LLVMMatchType<0>>, llvm_i32_ty],
-  [IntrReadMem, NoCapture<0>],
+  [IntrReadMem, IntrArgMemOnly, NoCapture<0>],
   "llvm.nvvm.ldg.global.p">;
 
 // Use for generic pointers