Fix an obvious bug in findLastUserInBlock.

atrick · atrick · commit 4183abc822c2 · 2021-10-14T16:51:53.000-07:00
This crept in the last commit because of rebasing but was never used.
diff --git a/lib/SIL/Utils/PrunedLiveness.cpp b/lib/SIL/Utils/PrunedLiveness.cpp
@@ -209,6 +209,7 @@ static void findLastUserInBlock(SILBasicBlock *bb,
       continue;
 
     boundary.lastUsers.push_back(inst);
+    return;
   }
   llvm_unreachable("No user in LiveWithin block");
 }

Original file line number	Diff line number	Diff line change
`@@ -209,6 +209,7 @@ static void findLastUserInBlock(SILBasicBlock *bb,`
`209`	`209`	`continue;`
`210`	`210`
`211`	`211`	`boundary.lastUsers.push_back(inst);`
	`212`	`+ return;`
`212`	`213`	`}`
`213`	`214`	`llvm_unreachable("No user in LiveWithin block");`
`214`	`215`	`}`