[llvm] [VPlan] Add VPIRInstruction, use for exit block live-outs. (PR #100735)

[Florian Hahn via llvm-commits]

================
@@ -14,11 +14,12 @@ define i8 @widget(ptr %arr, i8 %t9) {
 ; CHECK-NEXT:    br i1 [[C]], label [[FOR_PREHEADER:%.*]], label [[BB6]]
 ; CHECK:       for.preheader:
 ; CHECK-NEXT:    [[T1_0_LCSSA:%.*]] = phi ptr [ [[T1_0]], [[BB6]] ]
-; CHECK-NEXT:    [[T1_0_LCSSA2:%.*]] = ptrtoint ptr [[T1_0_LCSSA]] to i64
 ; CHECK-NEXT:    [[TMP0:%.*]] = trunc i64 [[ARR1]] to i32
 ; CHECK-NEXT:    [[TMP1:%.*]] = sub i32 0, [[TMP0]]
-; CHECK-NEXT:    [[TMP2:%.*]] = trunc i64 [[T1_0_LCSSA2]] to i32
+; CHECK-NEXT:    [[T1_0_LCSSA3:%.*]] = ptrtoint ptr [[T1_0_LCSSA]] to i64
+; CHECK-NEXT:    [[TMP2:%.*]] = trunc i64 [[T1_0_LCSSA3]] to i32
 ; CHECK-NEXT:    [[TMP3:%.*]] = add i32 [[TMP1]], [[TMP2]]
+; CHECK-NEXT:    [[T1_0_LCSSA2:%.*]] = ptrtoint ptr [[T1_0_LCSSA]] to i64
----------------
fhahn wrote:

Not sure as this should be cleaned up be later folding passes.

https://github.com/llvm/llvm-project/pull/100735