Implement clang support for indirect branch and address of label
using the new LLVM support for this. This is temporarily hiding
behind horrible and ugly #ifdefs until the time when the optimizer
is stable (hopefully a week or so). Until then, lets make it "opt in" :)
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85446 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGStmt.cpp b/lib/CodeGen/CGStmt.cpp
index f58b579..9126c2c 100644
--- a/lib/CodeGen/CGStmt.cpp
+++ b/lib/CodeGen/CGStmt.cpp
@@ -287,8 +287,13 @@
// Emit initial switch which will be patched up later by
// EmitIndirectSwitches(). We need a default dest, so we use the
// current BB, but this is overwritten.
+#ifndef USEINDIRECTBRANCH
llvm::Value *V = Builder.CreatePtrToInt(EmitScalarExpr(S.getTarget()),
llvm::Type::getInt32Ty(VMContext),
+#else
+ llvm::Value *V = Builder.CreateBitCast(EmitScalarExpr(S.getTarget()),
+ llvm::Type::getInt8PtrTy(VMContext),
+#endif
"addr");
llvm::BasicBlock *CurBB = Builder.GetInsertBlock();