Vendor import of llvm trunk r338150:vendor/llvm/llvm-trunk-r338150

https://llvm.org/svn/llvm-project/llvm/trunk@338150

1 files changed, 11 insertions, 0 deletions

diff --git a/include/llvm/IR/Attributes.td b/include/llvm/IR/Attributes.td
index ebe5c1985875..1019f867aab0 100644
--- a/include/llvm/IR/Attributes.td
+++ b/include/llvm/IR/Attributes.td
@@ -106,9 +106,15 @@ def NoRedZone : EnumAttr<"noredzone">;
 /// Mark the function as not returning.
 def NoReturn : EnumAttr<"noreturn">;
 
+/// Disable Indirect Branch Tracking.
+def NoCfCheck : EnumAttr<"nocf_check">;
+
 /// Function doesn't unwind stack.
 def NoUnwind : EnumAttr<"nounwind">;
 
+/// Select optimizations for best fuzzing signal.
+def OptForFuzzing : EnumAttr<"optforfuzzing">;
+
 /// opt_size.
 def OptimizeForSize : EnumAttr<"optsize">;
 
@@ -130,6 +136,9 @@ def ReturnsTwice : EnumAttr<"returns_twice">;
 /// Safe Stack protection.
 def SafeStack : EnumAttr<"safestack">;
 
+/// Shadow Call Stack protection.
+def ShadowCallStack : EnumAttr<"shadowcallstack">;
+
 /// Sign extended before/after call.
 def SExt : EnumAttr<"signext">;
 
@@ -205,6 +214,7 @@ def : CompatRule<"isEqual<SanitizeThreadAttr>">;
 def : CompatRule<"isEqual<SanitizeMemoryAttr>">;
 def : CompatRule<"isEqual<SanitizeHWAddressAttr>">;
 def : CompatRule<"isEqual<SafeStackAttr>">;
+def : CompatRule<"isEqual<ShadowCallStackAttr>">;
 
 class MergeRule<string F> {
   // The name of the function called to merge the attributes of the caller and
@@ -225,3 +235,4 @@ def : MergeRule<"setOR<ProfileSampleAccurateAttr>">;
 def : MergeRule<"adjustCallerSSPLevel">;
 def : MergeRule<"adjustCallerStackProbes">;
 def : MergeRule<"adjustCallerStackProbeSize">;
+def : MergeRule<"adjustMinLegalVectorWidth">;