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

[Florian Hahn via llvm-commits]

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@@ -83,12 +83,12 @@ define void @fp_iv_loop1(ptr noalias nocapture %A, i32 %N) #0 {
 ; AUTO_VEC-NEXT:    [[CMP_N9:%.*]] = icmp eq i64 [[TMP0]], [[N_VEC3]]
 ; AUTO_VEC-NEXT:    br i1 [[CMP_N9]], label %[[FOR_END_LOOPEXIT]], label %[[VEC_EPILOG_SCALAR_PH]]
 ; AUTO_VEC:       [[VEC_EPILOG_SCALAR_PH]]:
-; AUTO_VEC-NEXT:    [[BC_RESUME_VAL12:%.*]] = phi i64 [ [[N_VEC3]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[ITER_CHECK]] ]
-; AUTO_VEC-NEXT:    [[BC_RESUME_VAL13:%.*]] = phi float [ [[TMP10]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[IND_END]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 1.000000e+00, %[[ITER_CHECK]] ]
+; AUTO_VEC-NEXT:    [[BC_RESUME_VAL10:%.*]] = phi i64 [ [[N_VEC3]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[ITER_CHECK]] ]
+; AUTO_VEC-NEXT:    [[BC_RESUME_VAL11:%.*]] = phi float [ [[TMP10]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[IND_END]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 1.000000e+00, %[[ITER_CHECK]] ]
 ; AUTO_VEC-NEXT:    br label %[[LOOP:.*]]
 ; AUTO_VEC:       [[LOOP]]:
-; AUTO_VEC-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], %[[LOOP]] ], [ [[BC_RESUME_VAL12]], %[[VEC_EPILOG_SCALAR_PH]] ]
-; AUTO_VEC-NEXT:    [[X_06:%.*]] = phi float [ [[CONV1:%.*]], %[[LOOP]] ], [ [[BC_RESUME_VAL13]], %[[VEC_EPILOG_SCALAR_PH]] ]
+; AUTO_VEC-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], %[[LOOP]] ], [ [[BC_RESUME_VAL10]], %[[VEC_EPILOG_SCALAR_PH]] ]
+; AUTO_VEC-NEXT:    [[X_06:%.*]] = phi float [ [[CONV1:%.*]], %[[LOOP]] ], [ [[BC_RESUME_VAL11]], %[[VEC_EPILOG_SCALAR_PH]] ]
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fhahn wrote:

nit: unrelated changes

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