Add invoke related functionality into StatepointSite classes.

Differential Revision: http://reviews.llvm.org/D7364

llvm-svn: 229838

1 files changed, 19 insertions, 4 deletions

diff --git a/llvm/lib/IR/Statepoint.cpp b/llvm/lib/IR/Statepoint.cpp
index 450651a0807..83ee611cc37 100644
--- a/llvm/lib/IR/Statepoint.cpp
+++ b/llvm/lib/IR/Statepoint.cpp
@@ -20,24 +20,34 @@ using namespace std;
 using namespace llvm;
 
 bool llvm::isStatepoint(const ImmutableCallSite &CS) {
+  if (!CS.getInstruction()) {
+    // This is not a call site
+    return false;
+  }
+
   const Function *F = CS.getCalledFunction();
   return (F && F->getIntrinsicID() == Intrinsic::experimental_gc_statepoint);
 }
-bool llvm::isStatepoint(const Instruction *inst) {
+bool llvm::isStatepoint(const Value *inst) {
   if (isa<InvokeInst>(inst) || isa<CallInst>(inst)) {
     ImmutableCallSite CS(inst);
     return isStatepoint(CS);
   }
   return false;
 }
-bool llvm::isStatepoint(const Instruction &inst) {
+bool llvm::isStatepoint(const Value &inst) {
   return isStatepoint(&inst);
 }
 
 bool llvm::isGCRelocate(const ImmutableCallSite &CS) {
+  if (!CS.getInstruction()) {
+    // This is not a call site
+    return false;
+  }
+
   return isGCRelocate(CS.getInstruction());
 }
-bool llvm::isGCRelocate(const Instruction *inst) {
+bool llvm::isGCRelocate(const Value *inst) {
   if (const CallInst *call = dyn_cast<CallInst>(inst)) {
     if (const Function *F = call->getCalledFunction()) {
       return F->getIntrinsicID() == Intrinsic::experimental_gc_relocate;
@@ -47,9 +57,14 @@ bool llvm::isGCRelocate(const Instruction *inst) {
 }
 
 bool llvm::isGCResult(const ImmutableCallSite &CS) {
+  if (!CS.getInstruction()) {
+    // This is not a call site
+    return false;
+  }
+
   return isGCResult(CS.getInstruction());
 }
-bool llvm::isGCResult(const Instruction *inst) {
+bool llvm::isGCResult(const Value *inst) {
   if (const CallInst *call = dyn_cast<CallInst>(inst)) {
     if (Function *F = call->getCalledFunction()) {
       return (F->getIntrinsicID() == Intrinsic::experimental_gc_result_int ||