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| author | David Chisnall <csdavec@swan.ac.uk> | 2012-01-06 12:20:19 +0000 |
|---|---|---|
| committer | David Chisnall <csdavec@swan.ac.uk> | 2012-01-06 12:20:19 +0000 |
| commit | 9217435a335eb78b141d57f5d7bb1bc14028742d (patch) | |
| tree | 1b2035c6fa0059755ce0020f064bb1ce0d1c5368 /clang/lib | |
| parent | d8e2572909508aad6c9c2d730809e0de226513b3 (diff) | |
| download | bcm5719-llvm-9217435a335eb78b141d57f5d7bb1bc14028742d.tar.gz bcm5719-llvm-9217435a335eb78b141d57f5d7bb1bc14028742d.zip | |
If we are compiling with -fno-builtin then don't do constant folding of
builtins.
This fixes PR11711.
llvm-svn: 147655
Diffstat (limited to 'clang/lib')
| -rw-r--r-- | clang/lib/CodeGen/CGBuiltin.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp index 3e5a6772ebb..f462ee62ad6 100644 --- a/clang/lib/CodeGen/CGBuiltin.cpp +++ b/clang/lib/CodeGen/CGBuiltin.cpp @@ -175,7 +175,8 @@ RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD, unsigned BuiltinID, const CallExpr *E) { // See if we can constant fold this builtin. If so, don't emit it at all. Expr::EvalResult Result; - if (E->EvaluateAsRValue(Result, CGM.getContext()) && + if (!getContext().getLangOptions().NoBuiltin && + E->EvaluateAsRValue(Result, CGM.getContext()) && !Result.hasSideEffects()) { if (Result.Val.isInt()) return RValue::get(llvm::ConstantInt::get(getLLVMContext(), |
