https://github.com/legrosbuffle created
https://github.com/llvm/llvm-project/pull/66750
None
>From 3679b5c95a8de88a5cabc9ecdacdbbfef9c68ea8 Mon Sep 17 00:00:00 2001
From: Clement Courbet
Date: Tue, 19 Sep 2023 10:19:49 +0200
Subject: [PATCH] [NFC] Preparatory work for D153131
---
clang/lib/Analysis/ThreadSafety.cpp | 18 +-
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/clang/lib/Analysis/ThreadSafety.cpp
b/clang/lib/Analysis/ThreadSafety.cpp
index 34260ac8f4e7d6f..3107d035254dde6 100644
--- a/clang/lib/Analysis/ThreadSafety.cpp
+++ b/clang/lib/Analysis/ThreadSafety.cpp
@@ -2265,8 +2265,11 @@ void
ThreadSafetyAnalyzer::runAnalysis(AnalysisDeclContext ) {
const PostOrderCFGView *SortedGraph = walker.getSortedGraph();
PostOrderCFGView::CFGBlockSet VisitedBlocks(CFGraph);
+ CFGBlockInfo = BlockInfo[CFGraph->getEntry().getBlockID()];
+ CFGBlockInfo= BlockInfo[CFGraph->getExit().getBlockID()];
+
// Mark entry block as reachable
- BlockInfo[CFGraph->getEntry().getBlockID()].Reachable = true;
+ Initial.Reachable = true;
// Compute SSA names for local variables
LocalVarMap.traverseCFG(CFGraph, SortedGraph, BlockInfo);
@@ -2282,8 +2285,8 @@ void
ThreadSafetyAnalyzer::runAnalysis(AnalysisDeclContext ) {
// to initial lockset. Also turn off checking for lock and unlock functions.
// FIXME: is there a more intelligent way to check lock/unlock functions?
if (!SortedGraph->empty() && D->hasAttrs()) {
-const CFGBlock *FirstBlock = *SortedGraph->begin();
-FactSet = BlockInfo[FirstBlock->getBlockID()].EntrySet;
+assert(*SortedGraph->begin() == >getEntry());
+FactSet = Initial.EntrySet;
CapExprSet ExclusiveLocksToAdd;
CapExprSet SharedLocksToAdd;
@@ -2455,15 +2458,12 @@ void
ThreadSafetyAnalyzer::runAnalysis(AnalysisDeclContext ) {
}
}
- CFGBlockInfo *Initial = [CFGraph->getEntry().getBlockID()];
- CFGBlockInfo *Final = [CFGraph->getExit().getBlockID()];
-
// Skip the final check if the exit block is unreachable.
- if (!Final->Reachable)
+ if (!Final.Reachable)
return;
// By default, we expect all locks held on entry to be held on exit.
- FactSet ExpectedExitSet = Initial->EntrySet;
+ FactSet ExpectedExitSet = Initial.EntrySet;
// Adjust the expected exit set by adding or removing locks, as declared
// by *-LOCK_FUNCTION and UNLOCK_FUNCTION. The intersect below will then
@@ -2479,7 +2479,7 @@ void
ThreadSafetyAnalyzer::runAnalysis(AnalysisDeclContext ) {
ExpectedExitSet.removeLock(FactMan, Lock);
// FIXME: Should we call this function for all blocks which exit the
function?
- intersectAndWarn(ExpectedExitSet, Final->ExitSet, Final->ExitLoc,
+ intersectAndWarn(ExpectedExitSet, Final.ExitSet, Final.ExitLoc,
LEK_LockedAtEndOfFunction, LEK_NotLockedAtEndOfFunction);
Handler.leaveFunction(CurrentFunction);
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