Import LLVM 8.0.0 release including clang, lld and lldb.

1 files changed, 8 insertions, 21 deletions

diff --git a/gnu/llvm/lib/CodeGen/BuiltinGCs.cpp b/gnu/llvm/lib/CodeGen/BuiltinGCs.cpp
index 3a9b20aa661..93939e573b7 100644
--- a/gnu/llvm/lib/CodeGen/BuiltinGCs.cpp
+++ b/gnu/llvm/lib/CodeGen/BuiltinGCs.cpp
@@ -12,8 +12,8 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "llvm/CodeGen/BuiltinGCs.h"
 #include "llvm/CodeGen/GCStrategy.h"
-#include "llvm/CodeGen/GCs.h"
 #include "llvm/IR/DerivedTypes.h"
 #include "llvm/Support/Casting.h"
 
@@ -28,10 +28,8 @@ namespace {
 class ErlangGC : public GCStrategy {
 public:
   ErlangGC() {
-    InitRoots = false;
-    NeededSafePoints = 1 << GC::PostCall;
+    NeededSafePoints = true;
     UsesMetadata = true;
-    CustomRoots = false;
   }
 };
 
@@ -41,7 +39,7 @@ public:
 class OcamlGC : public GCStrategy {
 public:
   OcamlGC() {
-    NeededSafePoints = 1 << GC::PostCall;
+    NeededSafePoints = true;
     UsesMetadata = true;
   }
 };
@@ -56,10 +54,7 @@ public:
 /// while introducing only minor runtime overhead.
 class ShadowStackGC : public GCStrategy {
 public:
-  ShadowStackGC() {
-    InitRoots = true;
-    CustomRoots = true;
-  }
+  ShadowStackGC() {}
 };
 
 /// A GCStrategy which serves as an example for the usage of a statepoint based
@@ -74,10 +69,8 @@ public:
     UseStatepoints = true;
     // These options are all gc.root specific, we specify them so that the
     // gc.root lowering code doesn't run.
-    InitRoots = false;
-    NeededSafePoints = 0;
+    NeededSafePoints = false;
     UsesMetadata = false;
-    CustomRoots = false;
   }
 
   Optional<bool> isGCManagedPointer(const Type *Ty) const override {
@@ -108,10 +101,8 @@ public:
     UseStatepoints = true;
     // These options are all gc.root specific, we specify them so that the
     // gc.root lowering code doesn't run.
-    InitRoots = false;
-    NeededSafePoints = 0;
+    NeededSafePoints = false;
     UsesMetadata = false;
-    CustomRoots = false;
   }
 
   Optional<bool> isGCManagedPointer(const Type *Ty) const override {
@@ -136,9 +127,5 @@ static GCRegistry::Add<StatepointGC> D("statepoint-example",
                                        "an example strategy for statepoint");
 static GCRegistry::Add<CoreCLRGC> E("coreclr", "CoreCLR-compatible GC");
 
-// Provide hooks to ensure the containing library is fully loaded.
-void llvm::linkErlangGC() {}
-void llvm::linkOcamlGC() {}
-void llvm::linkShadowStackGC() {}
-void llvm::linkStatepointExampleGC() {}
-void llvm::linkCoreCLRGC() {}
+// Provide hook to ensure the containing library is fully loaded.
+void llvm::linkAllBuiltinGCs() {}