Revert "Add a workaround to the problem where the amd64 JIT would make all calls as register indirect."

vargaz · vargaz · commit 21492ec92e25 · 2017-07-30T14:43:24.000-04:00
This reverts commit 2aaa79a. Revert this as it breaks for calls to native code with a non 32bit address.
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
@@ -3046,17 +3046,6 @@ X86TargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI,
     // through a register, since the call instruction's 32-bit
     // pc-relative offset may not be large enough to hold the whole
     // address.
-
-    //
-    // This is a mono specific hack to force llvm to generate direct calls even if
-    // the code model is Large.
-    //
-    if (GlobalAddressSDNode *G = dyn_cast<GlobalAddressSDNode>(Callee)) {
-      unsigned char OpFlags = 0;
-      const GlobalValue *GV = G->getGlobal();
-      Callee = DAG.getTargetGlobalAddress(GV, dl, getPointerTy(),
-                                          G->getOffset(), OpFlags);
-    }
   } else if (GlobalAddressSDNode *G = dyn_cast<GlobalAddressSDNode>(Callee)) {
     // If the callee is a GlobalAddress node (quite common, every direct call
     // is) turn it into a TargetGlobalAddress node so that legalize doesn't hack
