[NFC] LifeDependenceUtils: fix a merge redundancy.

atrick · atrick · commit f5e16b698e0d · 2024-12-16T15:27:25.000-08:00
diff --git a/SwiftCompilerSources/Sources/Optimizer/Utilities/LifetimeDependenceUtils.swift b/SwiftCompilerSources/Sources/Optimizer/Utilities/LifetimeDependenceUtils.swift
@@ -597,11 +597,6 @@ struct VariableIntroducerUseDefWalker : LifetimeDependenceUseDefWalker {
     if let inst = value.definingInstruction, VariableScopeInstruction(inst) != nil {
       return introducer(value, owner)
     }
-    // Finding a variable introducer requires following the mark_dependence forwarded value, not the base value like the
-    // default LifetimeDependenceUseDefWalker.
-    if value is MarkDependenceInst {
-      return walkUpDefault(forwarded: value, owner)
-    }
     return walkUpDefault(dependent: value, owner: owner)
   }
 

Original file line number	Diff line number	Diff line change
`@@ -597,11 +597,6 @@ struct VariableIntroducerUseDefWalker : LifetimeDependenceUseDefWalker {`
`597`	`597`	`if let inst = value.definingInstruction, VariableScopeInstruction(inst) != nil {`
`598`	`598`	`return introducer(value, owner)`
`599`	`599`	`}`
`600`		`- // Finding a variable introducer requires following the mark_dependence forwarded value, not the base value like the`
`601`		`- // default LifetimeDependenceUseDefWalker.`
`602`		`- if value is MarkDependenceInst {`
`603`		`- return walkUpDefault(forwarded: value, owner)`
`604`		`- }`
`605`	`600`	`return walkUpDefault(dependent: value, owner: owner)`
`606`	`601`	`}`
`607`	`602`