aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorTom Care <tom.care@uqconnect.edu.au>2010-09-29 23:48:13 +0000
committerTom Care <tom.care@uqconnect.edu.au>2010-09-29 23:48:13 +0000
commitcf9ce13774dad86f780d84cd41e6bd64c039324a (patch)
treefd1667b24c462d45edb9e9ecb38e5c89a460bddd
parentaca745b8b2eb58dc149ea7e65dfe133df2b0ab93 (diff)
Change -analyzer-max-nodes to allow 0 as a parameter. This allows the analyzer to completely analyze a worklist regardless of time taken.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@115108 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--include/clang/Driver/CC1Options.td2
-rw-r--r--lib/Checker/GRCoreEngine.cpp12
2 files changed, 11 insertions, 3 deletions
diff --git a/include/clang/Driver/CC1Options.td b/include/clang/Driver/CC1Options.td
index 512c2ca23b..c416c1a4bf 100644
--- a/include/clang/Driver/CC1Options.td
+++ b/include/clang/Driver/CC1Options.td
@@ -108,7 +108,7 @@ def analyzer_viz_egraph_ubigraph : Flag<"-analyzer-viz-egraph-ubigraph">,
def analyzer_inline_call : Flag<"-analyzer-inline-call">,
HelpText<"Experimental transfer function inlining callees when its definition is available.">;
def analyzer_max_nodes : Separate<"-analyzer-max-nodes">,
- HelpText<"The maximum number of nodes the analyzer can generate">;
+ HelpText<"The maximum number of nodes the analyzer can generate (150000 default, 0 = no limit)">;
def analyzer_max_loop : Separate<"-analyzer-max-loop">,
HelpText<"The maximum number of times the analyzer will go through a loop">;
diff --git a/lib/Checker/GRCoreEngine.cpp b/lib/Checker/GRCoreEngine.cpp
index 6b7a2cb812..8b30a86ee2 100644
--- a/lib/Checker/GRCoreEngine.cpp
+++ b/lib/Checker/GRCoreEngine.cpp
@@ -159,8 +159,16 @@ bool GRCoreEngine::ExecuteWorkList(const LocationContext *L, unsigned Steps,
GenerateNode(StartLoc, InitState, 0);
}
- while (Steps && WList->hasWork()) {
- --Steps;
+ // Check if we have a steps limit
+ bool UnlimitedSteps = Steps == 0;
+
+ while (WList->hasWork()) {
+ if (!UnlimitedSteps) {
+ if (Steps == 0)
+ break;
+ --Steps;
+ }
+
const GRWorkListUnit& WU = WList->Dequeue();
// Set the current block counter.