[llvm] [VPlan] Use pointer to member 0 as VPInterleaveRecipe's pointer arg. (PR #106431)

[via llvm-commits]

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@@ -2989,13 +2985,11 @@ define dso_local void @unconditional_masked_strided2_unknown_tc(ptr noalias noca
 ; ENABLED_MASKED_STRIDED-NEXT:    [[WIDE_MASKED_VEC:%.*]] = call <16 x i8> @llvm.masked.load.v16i8.p0(ptr [[TMP2]], i32 1, <16 x i1> [[INTERLEAVED_MASK]], <16 x i8> poison)
 ; ENABLED_MASKED_STRIDED-NEXT:    [[STRIDED_VEC:%.*]] = shufflevector <16 x i8> [[WIDE_MASKED_VEC]], <16 x i8> poison, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
 ; ENABLED_MASKED_STRIDED-NEXT:    [[STRIDED_VEC3:%.*]] = shufflevector <16 x i8> [[WIDE_MASKED_VEC]], <16 x i8> poison, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
-; ENABLED_MASKED_STRIDED-NEXT:    [[TMP3:%.*]] = or disjoint i32 [[TMP1]], 1
 ; ENABLED_MASKED_STRIDED-NEXT:    [[TMP4:%.*]] = call <8 x i8> @llvm.smax.v8i8(<8 x i8> [[STRIDED_VEC]], <8 x i8> [[STRIDED_VEC3]])
+; ENABLED_MASKED_STRIDED-NEXT:    [[TMP6:%.*]] = getelementptr inbounds i8, ptr [[Q:%.*]], i32 [[TMP1]]
 ; ENABLED_MASKED_STRIDED-NEXT:    [[TMP5:%.*]] = sub <8 x i8> zeroinitializer, [[TMP4]]
-; ENABLED_MASKED_STRIDED-NEXT:    [[TMP6:%.*]] = getelementptr inbounds i8, ptr [[Q:%.*]], i32 [[TMP3]]
-; ENABLED_MASKED_STRIDED-NEXT:    [[TMP7:%.*]] = getelementptr inbounds i8, ptr [[TMP6]], i32 -1
 ; ENABLED_MASKED_STRIDED-NEXT:    [[INTERLEAVED_VEC:%.*]] = shufflevector <8 x i8> [[TMP4]], <8 x i8> [[TMP5]], <16 x i32> <i32 0, i32 8, i32 1, i32 9, i32 2, i32 10, i32 3, i32 11, i32 4, i32 12, i32 5, i32 13, i32 6, i32 14, i32 7, i32 15>
-; ENABLED_MASKED_STRIDED-NEXT:    call void @llvm.masked.store.v16i8.p0(<16 x i8> [[INTERLEAVED_VEC]], ptr [[TMP7]], i32 1, <16 x i1> [[INTERLEAVED_MASK]])
+; ENABLED_MASKED_STRIDED-NEXT:    call void @llvm.masked.store.v16i8.p0(<16 x i8> [[INTERLEAVED_VEC]], ptr [[TMP6]], i32 1, <16 x i1> [[INTERLEAVED_MASK]])
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ayalz wrote:

Note: Q[(TMP1+1)-1] --> Q[TMP1]

https://github.com/llvm/llvm-project/pull/106431