hohn/codeql
1
0
Fork 0
mirror of https://github.com/github/codeql.git synced 2025-12-17 01:03:14 +01:00
Code Issues Packages Projects Releases Wiki Activity

SSA: Remove empty predicates and dead code.

Browse Source
This commit is contained in:
Anders Schack-Mulligen
2025-03-27 16:03:00 +01:00
parent 308d15401f
commit 5a986f5327
7 changed files with 3 additions and 114 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/SsaInternals.qll
View File

@@ -956,8 +956,6 @@ class GlobalDef extends Definition {
private module SsaImpl = SsaImplCommon::Make<Location, SsaInput>;
private module DataFlowIntegrationInput implements SsaImpl::DataFlowIntegrationInputSig {
private import codeql.util.Void
class Expr extends Instruction {
Expr() {
exists(IRBlock bb, int i |
@@ -979,14 +977,6 @@ private module DataFlowIntegrationInput implements SsaImpl::DataFlowIntegrationI
predicate ssaDefHasSource(SsaImpl::WriteDefinition def) { none() }
predicate ssaDefAssigns(SsaImpl::WriteDefinition def, Expr value) { none() }
class Parameter extends Void {
Location getLocation() { none() }
}
predicate ssaDefInitializesParam(SsaImpl::WriteDefinition def, Parameter p) { none() }
predicate allowFlowIntoUncertainDef(SsaImpl::UncertainWriteDefinition def) { any() }
private EdgeKind getConditionalEdge(boolean branch) {