[PATCH] D118052: [X86] Fix CodeGen Module Flag for -mibt-seal

[Joao Moreira via Phabricator via cfe-commits]

joaomoreira updated this revision to Diff 423775.
This revision is now accepted and ready to land.

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D118052/new/

https://reviews.llvm.org/D118052

Files:
  clang/lib/Frontend/CompilerInvocation.cpp
  clang/test/CodeGen/X86/x86-cf-protection.c


Index: clang/test/CodeGen/X86/x86-cf-protection.c
===================================================================
--- clang/test/CodeGen/X86/x86-cf-protection.c
+++ clang/test/CodeGen/X86/x86-cf-protection.c
@@ -1,8 +1,14 @@
 // RUN: %clang -target i386-unknown-unknown -x c -E -dM -o - -fcf-protection=return %s | FileCheck %s --check-prefix=RETURN
 // RUN: %clang -target i386-unknown-unknown -x c -E -dM -o - -fcf-protection=branch %s | FileCheck %s --check-prefix=BRANCH
 // RUN: %clang -target i386-unknown-unknown -x c -E -dM -o - -fcf-protection=full %s   | FileCheck %s --check-prefix=FULL
+// RUN: %clang -target i386-unknown-unknown -o - -emit-llvm -S -fcf-protection=branch -mibt-seal -flto %s | FileCheck %s --check-prefixes=CFPROT,IBTSEAL
+// RUN: %clang -target i386-unknown-unknown -o - -emit-llvm -S -fcf-protection=branch -flto %s | FileCheck %s --check-prefixes=CFPROT,NOIBTSEAL
+// RUN: %clang -target i386-unknown-unknown -o - -emit-llvm -S -fcf-protection=branch -mibt-seal %s | FileCheck %s --check-prefixes=CFPROT,NOIBTSEAL
 
 // RETURN: #define __CET__ 2
 // BRANCH: #define __CET__ 1
 // FULL: #define __CET__ 3
+// CFPROT: "cf-protection-branch", i32 1
+// IBTSEAL: "ibt-seal", i32 1
+// NOIBTSEAL-NOT: "ibt-seal", i32 1
 void foo() {}
Index: clang/lib/Frontend/CompilerInvocation.cpp
===================================================================
--- clang/lib/Frontend/CompilerInvocation.cpp
+++ clang/lib/Frontend/CompilerInvocation.cpp
@@ -1478,6 +1478,9 @@
   else if (Opts.CFProtectionBranch)
     GenerateArg(Args, OPT_fcf_protection_EQ, "branch", SA);
 
+  if (Opts.IBTSeal)
+    GenerateArg(Args, OPT_mibt_seal, SA);
+
   for (const auto &F : Opts.LinkBitcodeFiles) {
     bool Builtint = F.LinkFlags == llvm::Linker::Flags::LinkOnlyNeeded &&
                     F.PropagateAttrs && F.Internalize;


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