diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86SpeculativeLoadHardening.cpp')
-rw-r--r-- | llvm/lib/Target/X86/X86SpeculativeLoadHardening.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/X86SpeculativeLoadHardening.cpp b/llvm/lib/Target/X86/X86SpeculativeLoadHardening.cpp index c068507095a..3d2bbd3e55c 100644 --- a/llvm/lib/Target/X86/X86SpeculativeLoadHardening.cpp +++ b/llvm/lib/Target/X86/X86SpeculativeLoadHardening.cpp @@ -525,7 +525,11 @@ bool X86SpeculativeLoadHardeningPass::runOnMachineFunction( continue; MachineInstr &MI = MBB.back(); - if (!MI.isReturn()) + + // We only care about returns that are not also calls. For calls, that + // happen to also be returns (tail calls) we will have already handled + // them as calls. + if (!MI.isReturn() || MI.isCall()) continue; hardenReturnInstr(MI); |