[clang] [llvm] [NVPTX] Revamp NVVMIntrRange pass (PR #94422)

[Artem Belevich via cfe-commits]

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@@ -1,50 +1,51 @@
-//===- NVVMIntrRange.cpp - Set !range metadata for NVVM intrinsics --------===//
+//===- NVVMIntrRange.cpp - Set range attributes for NVVM intrinsics -------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
-// This pass adds appropriate !range metadata for calls to NVVM
+// This pass adds appropriate range attributes for calls to NVVM
 // intrinsics that return a limited range of values.
 //
 //===----------------------------------------------------------------------===//
 
 #include "NVPTX.h"
-#include "llvm/IR/Constants.h"
+#include "NVPTXUtilities.h"
 #include "llvm/IR/InstIterator.h"
 #include "llvm/IR/Instructions.h"
+#include "llvm/IR/IntrinsicInst.h"
 #include "llvm/IR/Intrinsics.h"
 #include "llvm/IR/IntrinsicsNVPTX.h"
 #include "llvm/IR/PassManager.h"
 #include "llvm/Support/CommandLine.h"
+#include <cstdint>
 
 using namespace llvm;
 
 #define DEBUG_TYPE "nvvm-intr-range"
 
 namespace llvm { void initializeNVVMIntrRangePass(PassRegistry &); }
 
-// Add !range metadata based on limits of given SM variant.
+// Add range attributes based on limits of given SM variant.
 static cl::opt<unsigned> NVVMIntrRangeSM("nvvm-intr-range-sm", cl::init(20),
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Artem-B wrote:

We should bump the default to a more recent GPU, so we would be setting correct limits for the current GPUs by default, when the pass is instantiated w/o correct SM info.

https://github.com/llvm/llvm-project/pull/94422