Add 'AnalysisContext::getUnoptimizedCFG()' to allow clients to get access to the original
CFG without any edges pruned out because of trivially solvable conditions (e.g., 'if (0)').
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110085 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/AnalysisContext.cpp b/lib/Analysis/AnalysisContext.cpp
index 4a7c60d..ef0a50f 100644
--- a/lib/Analysis/AnalysisContext.cpp
+++ b/lib/Analysis/AnalysisContext.cpp
@@ -55,7 +55,7 @@
CFG *AnalysisContext::getCFG() {
if (!builtCFG) {
- cfg = CFG::buildCFG(D, getBody(), &D->getASTContext(), AddEHEdges);
+ cfg = CFG::buildCFG(D, getBody(), &D->getASTContext(), true, AddEHEdges);
// Even when the cfg is not successfully built, we don't
// want to try building it again.
builtCFG = true;
@@ -63,6 +63,17 @@
return cfg;
}
+CFG *AnalysisContext::getUnoptimizedCFG() {
+ if (!builtCompleteCFG) {
+ completeCFG = CFG::buildCFG(D, getBody(), &D->getASTContext(),
+ false, AddEHEdges);
+ // Even when the cfg is not successfully built, we don't
+ // want to try building it again.
+ builtCompleteCFG = true;
+ }
+ return completeCFG;
+}
+
ParentMap &AnalysisContext::getParentMap() {
if (!PM)
PM = new ParentMap(getBody());
@@ -297,6 +308,7 @@
AnalysisContext::~AnalysisContext() {
delete cfg;
+ delete completeCFG;
delete liveness;
delete PM;
delete ReferencedBlockVars;