[Statepoints] Export a magic constant into a header; NFC

llvm-svn: 263733

diff --git a/llvm/include/llvm/IR/Statepoint.h b/llvm/include/llvm/IR/Statepoint.h
index a27c43b..5e83972 100644 (file)
--- a/llvm/include/llvm/IR/Statepoint.h
+++ b/llvm/include/llvm/IR/Statepoint.h
@@ -409,6 +409,8 @@ StatepointBase<FunTy, InstructionTy, ValueTy, CallSiteTy>::getRelocates()
 struct StatepointDirectives {
   Optional<uint32_t> NumPatchBytes;
   Optional<uint64_t> StatepointID;
+
+  static const uint64_t DefaultStatepointID = 0xABCDEF00;
 };
 
 /// Parse out statepoint directives from the function attributes present in \p

diff --git a/llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp b/llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp
index 85aaf62..0ebc80f 100644 (file)
--- a/llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp
+++ b/llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp
@@ -1318,7 +1318,7 @@ makeStatepointExplicitImpl(const CallSite CS, /* to replace */
   IRBuilder<> Builder(InsertBefore);
 
   ArrayRef<Value *> GCArgs(LiveVariables);
-  uint64_t StatepointID = 0xABCDEF00;
+  uint64_t StatepointID = StatepointDirectives::DefaultStatepointID;
   uint32_t NumPatchBytes = 0;
   uint32_t Flags = uint32_t(StatepointFlags::None);