diff options
Diffstat (limited to 'lib/CodeGen/StackProtector.cpp')
-rw-r--r-- | lib/CodeGen/StackProtector.cpp | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/lib/CodeGen/StackProtector.cpp b/lib/CodeGen/StackProtector.cpp index cca5e61717..3e6f44cabf 100644 --- a/lib/CodeGen/StackProtector.cpp +++ b/lib/CodeGen/StackProtector.cpp @@ -397,8 +397,6 @@ bool StackProtector::InsertStackProtectors() { StackGuardVar); } - // TODO: Put in check here if platform supports the stack protector check - // intrinsic. if (EnableSelectionDAGSP && !TM->Options.EnableFastISel && SupportsSelectionDAGSP) { // Since we have a potential tail call, insert the special stack check @@ -420,10 +418,9 @@ bool StackProtector::InsertStackProtectors() { CallInst::Create(Intrinsic, Args, "", InsertionPt); } else { - // If we do not have a potential tail call or our platform does not - // support lowering the stack protector check pseudo node, perform the IR - // level stack check. - + // If we do not support SelectionDAG based tail calls, generate IR level + // tail calls. + // // For each block with a return instruction, convert this: // // return: |