implement feedback

Author: ro-i

llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp

@@ -3066,12 +3066,13 @@ bool IRTranslator::translateCallBr(const User &U,
   const CallBrInst &I = cast<CallBrInst>(U);
   MachineBasicBlock *CallBrMBB = &MIRBuilder.getMBB();
 
-  // FIXME: inline asm is not yet supported for callbr in GlobalISel. As soon as
-  // we add support, we need to handle the indirect asm targets, see
-  // SelectionDAGBuilder::visitCallBr().
   Intrinsic::ID IID = I.getIntrinsicID();
-  if (I.isInlineAsm())
+  if (I.isInlineAsm()) {
+    // FIXME: inline asm is not yet supported for callbr in GlobalISel. As soon
+    // as we add support, we need to handle the indirect asm targets, see
+    // SelectionDAGBuilder::visitCallBr().
     return false;
+  }
   if (!translateIntrinsic(I, IID, MIRBuilder))
     return false;
 

llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp

@@ -3538,6 +3538,8 @@ void SelectionDAGBuilder::visitCallBr(const CallBrInst &I) {
                           {LLVMContext::OB_deopt, LLVMContext::OB_funclet});
     visitInlineAsm(I);
   } else {
+    assert(!I.hasOperandBundles() &&
+           "Can't have operand bundles for intrinsics");
     visitCallBrIntrinsic(I);
   }
   CopyToExportRegsIfNeeded(&I);

llvm/test/Verifier/callbr-intrinsic.ll

@@ -1,4 +1,4 @@
-; RUN: not opt -S %s -passes=verify 2>&1 | FileCheck %s
+; RUN: not opt -S %s 2>&1 | FileCheck %s
 
 declare void @llvm.amdgcn.kill(i1)