[llvm] Use std::optional::value_or (NFC) (#140014)

Author: kazutakahirata

llvm/lib/ExecutionEngine/Orc/MachOPlatform.cpp

@@ -487,7 +487,7 @@ MachOPlatform::MachOPlatform(
     if ((Err = ES.getBootstrapMapValue<bool, bool>("darwin-use-ehframes-only",
                                                    ForceEHFrames)))
       return;
-    this->ForceEHFrames = ForceEHFrames.has_value() ? *ForceEHFrames : false;
+    this->ForceEHFrames = ForceEHFrames.value_or(false);
   }
 
   BootstrapInfo BI;

llvm/lib/Transforms/IPO/SampleProfile.cpp

@@ -2151,8 +2151,8 @@ void SampleProfileLoader::removePseudoProbeInstsDiscriminator(Module &M) {
               std::optional<uint32_t> DwarfDiscriminator =
                   PseudoProbeDwarfDiscriminator::extractDwarfBaseDiscriminator(
                       Discriminator);
-              I.setDebugLoc(DIL->cloneWithDiscriminator(
-                  DwarfDiscriminator ? *DwarfDiscriminator : 0));
+              I.setDebugLoc(
+                  DIL->cloneWithDiscriminator(DwarfDiscriminator.value_or(0)));
             }
           }
       }