diff options
-rw-r--r-- | lib/CodeGen/CGExpr.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/CodeGen/CGExpr.cpp b/lib/CodeGen/CGExpr.cpp index 975f749255..9af79ab70b 100644 --- a/lib/CodeGen/CGExpr.cpp +++ b/lib/CodeGen/CGExpr.cpp @@ -18,6 +18,7 @@ #include "clang/AST/ASTContext.h" #include "clang/AST/DeclObjC.h" #include "llvm/Intrinsics.h" +#include "clang/CodeGen/CodeGenOptions.h" #include "llvm/Target/TargetData.h" using namespace clang; using namespace CodeGen; @@ -1014,7 +1015,14 @@ LValue CodeGenFunction::EmitPredefinedLValue(const PredefinedExpr *E) { } llvm::BasicBlock*CodeGenFunction::getTrapBB() { - if (TrapBB) + const CodeGenOptions &GCO = CGM.getCodeGenOpts(); + + // If we are not optimzing, don't collapse all calls to trap in the function + // to the same call, that way, in the debugger they can see which operation + // did in fact fail. If we are optimizing, we collpase all call to trap down + // to just one per function to save on codesize. + if (GCO.OptimizationLevel + && TrapBB) return TrapBB; llvm::BasicBlock *Cont = 0; |