[mono/mono] 55e76663: [jit] Remove references to unused llvm.invariant.start/end intrinsics.

   Branch: refs/heads/master
     Home: https://github.com/mono/mono
  Compare: https://github.com/mono/mono/compare/f8701513e9c3...55e766632fd6

   Commit: 55e766632fd68e19e4b13577e4a1477c9cf13e52
   Author: Zoltan Varga <[email protected]> (vargaz)
     Date: 2013-11-08 22:52:29 GMT
      URL: https://github.com/mono/mono/commit/55e766632fd68e19e4b13577e4a1477c9cf13e52

[jit] Remove references to unused llvm.invariant.start/end intrinsics.

Changed paths:
  M mono/mini/mini-llvm.c

Modified: mono/mini/mini-llvm.c
===================================================================
@@ -3109,22 +3109,6 @@
 			indexes [1] = LLVMConstInt (LLVMInt32Type (), (gssize)got_offset, FALSE);
 			got_entry_addr = LLVMBuildGEP (builder, ctx->lmodule->got_var, indexes, 2, "");
 
-			// FIXME: This doesn't work right now, because it must be
-			// paired with an invariant.end, and even then, its only in effect
-			// inside its basic block
-#if 0
-			{
-				LLVMValueRef args [3];
-				LLVMValueRef ptr, val;
-
-				ptr = LLVMBuildBitCast (builder, got_entry_addr, LLVMPointerType (LLVMInt8Type (), 0), "ptr");
-
-				args [0] = LLVMConstInt (LLVMInt64Type (), sizeof (gpointer), FALSE);
-				args [1] = ptr;
-				val = LLVMBuildCall (builder, LLVMGetNamedFunction (module, "llvm.invariant.start"), args, 2, "");
-			}
-#endif
-
 			values [ins->dreg] = LLVMBuildLoad (builder, got_entry_addr, dname);
 			break;
 		}
@@ -4887,16 +4871,6 @@
 		LLVMAddFunction (module, "llvm.umul.with.overflow.i64", LLVMFunctionType (LLVMStructType (ovf_res_i64, 2, FALSE), ovf_params_i64, 2, FALSE));
 	}
 
-	{
-		LLVMTypeRef struct_ptr = LLVMPointerType (LLVMStructType (NULL, 0, FALSE), 0);
-		LLVMTypeRef invariant_start_params [] = { LLVMInt64Type (), LLVMPointerType (LLVMInt8Type (), 0) };
-		LLVMTypeRef invariant_end_params [] = { struct_ptr, LLVMInt64Type (), LLVMPointerType (LLVMInt8Type (), 0) };
-
-		LLVMAddFunction (module, "llvm.invariant.start", LLVMFunctionType (struct_ptr, invariant_start_params, 2, FALSE));
-
-		LLVMAddFunction (module, "llvm.invariant.end", LLVMFunctionType (LLVMVoidType (), invariant_end_params, 3, FALSE));
-	}
-
 	/* EH intrinsics */
 	{
 		LLVMTypeRef arg_types [2];


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