add interpreter support for indirect goto / blockaddress. The interpreter

now correctly runs clang's test/CodeGen/indirect-goto.c.  The JIT will abort
on it until someone feels compelled to implement this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85488 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 1 deletions

diff --git a/lib/ExecutionEngine/ExecutionEngine.cpp b/lib/ExecutionEngine/ExecutionEngine.cpp
index c61ab87..21499e5 100644
--- a/lib/ExecutionEngine/ExecutionEngine.cpp
+++ b/lib/ExecutionEngine/ExecutionEngine.cpp
@@ -760,8 +760,11 @@ GenericValue ExecutionEngine::getConstantValue(const Constant *C) {
       Result.PointerVal = 0;
     else if (const Function *F = dyn_cast<Function>(C))
       Result = PTOGV(getPointerToFunctionOrStub(const_cast<Function*>(F)));
-    else if (const GlobalVariable* GV = dyn_cast<GlobalVariable>(C))
+    else if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(C))
       Result = PTOGV(getOrEmitGlobalVariable(const_cast<GlobalVariable*>(GV)));
+    else if (const BlockAddress *BA = dyn_cast<BlockAddress>(C))
+      Result = PTOGV(getPointerToBasicBlock(const_cast<BasicBlock*>(
+                                                        BA->getBasicBlock())));
     else
       llvm_unreachable("Unknown constant pointer type!");
     break;