diff options
Diffstat (limited to 'lib/Expr/ArrayExprOptimizer.cpp')
| -rw-r--r-- | lib/Expr/ArrayExprOptimizer.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Expr/ArrayExprOptimizer.cpp b/lib/Expr/ArrayExprOptimizer.cpp index 2d817e83..fbaffc23 100644 --- a/lib/Expr/ArrayExprOptimizer.cpp +++ b/lib/Expr/ArrayExprOptimizer.cpp @@ -43,6 +43,10 @@ llvm::cl::opt<double> ArrayValueSymbRatio( }; ref<Expr> ExprOptimizer::optimizeExpr(const ref<Expr> &e, bool valueOnly) { + // Nothing to optimise for constant expressions + if (isa<ConstantExpr>(e)) + return e; + unsigned hash = e->hash(); if (cacheExprUnapplicable.find(hash) != cacheExprUnapplicable.end()) return e; |