Merge pull request #62385 from compnerd/isa-dead

compnerd · web-flow · commit 77b5e135f0f7 · 2022-12-10T08:45:50.000-08:00
AddressLowering: speculative tightening of assertion
diff --git a/lib/SILOptimizer/Mandatory/AddressLowering.cpp b/lib/SILOptimizer/Mandatory/AddressLowering.cpp
@@ -3761,7 +3761,7 @@ static void rewriteFunction(AddressLoweringState &pass) {
       uses.push_back(use);
     }
     for (auto *oper : uses) {
-      assert(isa<DebugValueInst>(oper->getUser()));
+      assert(oper->getUser() && isa<DebugValueInst>(oper->getUser()));
       UseRewriter::rewriteUse(oper, pass);
     }
   }

Original file line number	Diff line number	Diff line change
`@@ -3761,7 +3761,7 @@ static void rewriteFunction(AddressLoweringState &pass) {`
`3761`	`3761`	`uses.push_back(use);`
`3762`	`3762`	`}`
`3763`	`3763`	`for (auto *oper : uses) {`
`3764`		`- assert(isa<DebugValueInst>(oper->getUser()));`
	`3764`	`+ assert(oper->getUser() && isa<DebugValueInst>(oper->getUser()));`
`3765`	`3765`	`UseRewriter::rewriteUse(oper, pass);`
`3766`	`3766`	`}`
`3767`	`3767`	`}`