[llvm] ebe3281 - [AMDGPU] Use std::optional in AMDGPUReleaseVGPRs.cpp (NFC)

[Kazu Hirata via llvm-commits]

Author: Kazu Hirata
Date: 2022-11-25T22:30:26-08:00
New Revision: ebe32817935515c57c241bf58d7d3c0d7bc31420

URL: https://github.com/llvm/llvm-project/commit/ebe32817935515c57c241bf58d7d3c0d7bc31420
DIFF: https://github.com/llvm/llvm-project/commit/ebe32817935515c57c241bf58d7d3c0d7bc31420.diff

LOG: [AMDGPU] Use std::optional in AMDGPUReleaseVGPRs.cpp (NFC)

This is part of an effort to migrate from llvm::Optional to
std::optional:

https://discourse.llvm.org/t/deprecating-llvm-optional-x-hasvalue-getvalue-getvalueor/63716

Added: 
    

Modified: 
    llvm/lib/Target/AMDGPU/AMDGPUReleaseVGPRs.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/AMDGPU/AMDGPUReleaseVGPRs.cpp b/llvm/lib/Target/AMDGPU/AMDGPUReleaseVGPRs.cpp
index c53e262d23df..965b309a25f7 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUReleaseVGPRs.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUReleaseVGPRs.cpp
@@ -19,6 +19,7 @@
 #include "llvm/ADT/DepthFirstIterator.h"
 #include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/CodeGen/MachineOperand.h"
+#include <optional>
 using namespace llvm;
 
 #define DEBUG_TYPE "release-vgprs"
@@ -46,7 +47,8 @@ class AMDGPUReleaseVGPRs : public MachineFunctionPass {
   class LastVGPRUseIsVMEMStore {
     BitVector BlockVMEMStore;
 
-    static Optional<bool> lastVGPRUseIsStore(const MachineBasicBlock &MBB) {
+    static std::optional<bool>
+    lastVGPRUseIsStore(const MachineBasicBlock &MBB) {
       for (auto &MI : reverse(MBB.instrs())) {
         // If it's a VMEM store, a VGPR will be used, return true.
         if ((SIInstrInfo::isVMEM(MI) || SIInstrInfo::isFLAT(MI)) &&