!fixup update recipe printing

Author: fhahn

llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp

@@ -868,10 +868,12 @@ void VPIRInstruction::print(raw_ostream &O, const Twine &Indent,
   O << Indent << "IR " << I;
 
   if (getNumOperands() != 0) {
-    O << " (extra operand: ";
-    getOperand(0)->printAsOperand(O, SlotTracker);
-    O << " from ";
-    getParent()->getPredecessors()[0]->printAsOperand(O);
+    O << " (extra operand" << (getNumOperands() > 1 ? "s" : "") << ": ";
+    interleaveComma(enumerate(operands()), O, [this, &O, &SlotTracker](auto Op) {
+                         Op.value()->printAsOperand(O, SlotTracker);
+                         O << " from ";
+                        getParent()->getPredecessors()[Op.index()]->printAsOperand(O);
+                         });
     O << ")";
   }
 }

llvm/test/Transforms/LoopVectorize/uncountable-early-exit-vplan.ll

@@ -41,7 +41,7 @@ define i64 @multi_exiting_to_different_exits_live_in_exit_values() {
 ; CHECK-NEXT: Successor(s): ir-bb<e1>, middle.block
 ; CHECK-EMPTY:
 ; CHECK-NEXT: ir-bb<e1>:
-; CHECK-NEXT:   IR %p1 = phi i64 [ 0, %loop.header ] (extra operand: ir<0>)
+; CHECK-NEXT:   IR %p1 = phi i64 [ 0, %loop.header ] (extra operand: ir<0> from middle.split)
 ; CHECK-NEXT: No successors
 ; CHECK-EMPTY:
 ; CHECK-NEXT: middle.block:
@@ -50,7 +50,7 @@ define i64 @multi_exiting_to_different_exits_live_in_exit_values() {
 ; CHECK-NEXT: Successor(s): ir-bb<e2>, scalar.ph
 ; CHECK-EMPTY:
 ; CHECK-NEXT: ir-bb<e2>:
-; CHECK-NEXT:  IR %p2 = phi i64 [ 1, %loop.latch ] (extra operand: ir<1>)
+; CHECK-NEXT:  IR %p2 = phi i64 [ 1, %loop.latch ] (extra operand: ir<1> from middle.block)
 ; CHECK-NEXT: No successors
 ; CHECK-EMPTY:
 ; CHECK-NEXT: scalar.ph:
@@ -152,7 +152,7 @@ define i64 @multi_exiting_to_same_exit_live_in_exit_values() {
 ; CHECK-NEXT: Successor(s): ir-bb<exit>, middle.block
 ; CHECK-EMPTY:
 ; CHECK-NEXT: ir-bb<exit>:
-; CHECK-NEXT:   IR %p = phi i64 [ 0, %loop.header ], [ 1, %loop.latch ] (extra operand: ir<1>, ir<0>)
+; CHECK-NEXT:   IR %p = phi i64 [ 0, %loop.header ], [ 1, %loop.latch ] (extra operands: ir<1> from middle.block, ir<0> from middle.split)
 ; CHECK-NEXT: No successors
 ; CHECK-EMPTY:
 ; CHECK-NEXT: middle.block:
@@ -228,7 +228,7 @@ define i64 @multi_exiting_to_same_exit_live_in_exit_values_2() {
 ; CHECK-NEXT: Successor(s): ir-bb<exit>, middle.block
 ; CHECK-EMPTY:
 ; CHECK-NEXT: ir-bb<exit>:
-; CHECK-NEXT:   IR %p = phi i64 [ 0, %loop.header ], [ 1, %loop.latch ] (extra operand: ir<1>, ir<0>)
+; CHECK-NEXT:   IR %p = phi i64 [ 0, %loop.header ], [ 1, %loop.latch ] (extra operands: ir<1> from middle.block, ir<0> from middle.split)
 ; CHECK-NEXT: No successors
 ; CHECK-EMPTY:
 ; CHECK-NEXT: middle.block: