[llvm] [LV] Remove redundant parameter in IV live-out optimization (PR #195036)

[Mel Chen via llvm-commits]

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@@ -1342,24 +1342,24 @@ define { i64, i8 } @four_early_exits_with_conditional_loads() {
 ; CHECK-NEXT:    [[TMP16:%.*]] = extractelement <4 x i1> [[TMP5]], i64 [[FIRST_ACTIVE_LANE]]
 ; CHECK-NEXT:    br i1 [[TMP16]], label %[[VECTOR_EARLY_EXIT_2:.*]], label %[[VECTOR_EARLY_EXIT_3:.*]]
 ; CHECK:       [[VECTOR_EARLY_EXIT_3]]:
-; CHECK-NEXT:    [[TMP17:%.*]] = extractelement <4 x i8> [[WIDE_LOAD3]], i64 [[FIRST_ACTIVE_LANE]]
 ; CHECK-NEXT:    [[TMP18:%.*]] = add i64 [[IV]], [[FIRST_ACTIVE_LANE]]
+; CHECK-NEXT:    [[TMP19:%.*]] = extractelement <4 x i8> [[WIDE_LOAD3]], i64 [[FIRST_ACTIVE_LANE]]
 ; CHECK-NEXT:    br label %[[EXIT]]
 ; CHECK:       [[VECTOR_EARLY_EXIT_2]]:
-; CHECK-NEXT:    [[TMP19:%.*]] = extractelement <4 x i8> [[WIDE_LOAD2]], i64 [[FIRST_ACTIVE_LANE]]
-; CHECK-NEXT:    [[TMP20:%.*]] = add i64 [[IV]], [[FIRST_ACTIVE_LANE]]
+; CHECK-NEXT:    [[TMP22:%.*]] = add i64 [[IV]], [[FIRST_ACTIVE_LANE]]
+; CHECK-NEXT:    [[TMP20:%.*]] = extractelement <4 x i8> [[WIDE_LOAD2]], i64 [[FIRST_ACTIVE_LANE]]
 ; CHECK-NEXT:    br label %[[EXIT]]
 ; CHECK:       [[VECTOR_EARLY_EXIT_1]]:
-; CHECK-NEXT:    [[TMP21:%.*]] = extractelement <4 x i8> [[WIDE_LOAD1]], i64 [[FIRST_ACTIVE_LANE]]
-; CHECK-NEXT:    [[TMP22:%.*]] = add i64 [[IV]], [[FIRST_ACTIVE_LANE]]
+; CHECK-NEXT:    [[TMP21:%.*]] = add i64 [[IV]], [[FIRST_ACTIVE_LANE]]
+; CHECK-NEXT:    [[TMP23:%.*]] = extractelement <4 x i8> [[WIDE_LOAD1]], i64 [[FIRST_ACTIVE_LANE]]
 ; CHECK-NEXT:    br label %[[EXIT]]
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Mel-Chen wrote:

The IR order in this case has changed.

https://github.com/llvm/llvm-project/pull/195036