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| author | Xiang1 Zhang <xiang1.zhang@intel.com> | 2023-01-11 16:54:07 +0800 |
|---|---|---|
| committer | Xiang1 Zhang <xiang1.zhang@intel.com> | 2023-01-13 08:28:38 +0800 |
| commit | 593e17648eb217312e224daa38ea4f40ca697b0b (patch) | |
| tree | 9b9a29c22bdbfd8641733ea2a7c10f44cbf4fc12 /llvm/lib/CodeGen/StackProtector.cpp | |
| parent | 8efb8f776abf1cb66107c42b47e6a127828c4db0 (diff) | |
| download | llvm-593e17648eb217312e224daa38ea4f40ca697b0b.zip llvm-593e17648eb217312e224daa38ea4f40ca697b0b.tar.gz llvm-593e17648eb217312e224daa38ea4f40ca697b0b.tar.bz2 | |
Add -disable-check-noreturn-call for stack protect
Differential Revision: https://reviews.llvm.org/D141556
Reviewed By: lanza
Diffstat (limited to 'llvm/lib/CodeGen/StackProtector.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/StackProtector.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/StackProtector.cpp b/llvm/lib/CodeGen/StackProtector.cpp index f76877f..46685f7 100644 --- a/llvm/lib/CodeGen/StackProtector.cpp +++ b/llvm/lib/CodeGen/StackProtector.cpp @@ -60,6 +60,8 @@ STATISTIC(NumAddrTaken, "Number of local variables that have their address" static cl::opt<bool> EnableSelectionDAGSP("enable-selectiondag-sp", cl::init(true), cl::Hidden); +static cl::opt<bool> DisableCheckNoReturn("disable-check-noreturn-call", + cl::init(false), cl::Hidden); char StackProtector::ID = 0; @@ -453,7 +455,7 @@ bool StackProtector::InsertStackProtectors() { if (&BB == FailBB) continue; Instruction *CheckLoc = dyn_cast<ReturnInst>(BB.getTerminator()); - if (!CheckLoc) { + if (!CheckLoc && !DisableCheckNoReturn) { for (auto &Inst : BB) { auto *CB = dyn_cast<CallBase>(&Inst); if (!CB) |