1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -instsimplify -S | FileCheck %s 3 4define <16 x i8> @redundant_insert_extract_chain(<16 x i8> %x) { 5; CHECK-LABEL: @redundant_insert_extract_chain( 6; CHECK-NEXT: ret <16 x i8> [[X:%.*]] 7; 8 %inserted = call <vscale x 32 x i8> @llvm.experimental.vector.insert.nxv32i8.v16i8(<vscale x 32 x i8> undef, <16 x i8> %x, i64 0) 9 %extracted = call <16 x i8> @llvm.experimental.vector.extract.v16i8.nxv32i8(<vscale x 32 x i8> %inserted, i64 0) 10 ret <16 x i8> %extracted 11} 12 13define <8 x i8> @non_redundant_insert_extract_chain(<16 x i8> %x) { 14; CHECK-LABEL: @non_redundant_insert_extract_chain( 15; CHECK-NEXT: [[INSERTED:%.*]] = call <vscale x 32 x i8> @llvm.experimental.vector.insert.nxv32i8.v16i8(<vscale x 32 x i8> undef, <16 x i8> [[X:%.*]], i64 0) 16; CHECK-NEXT: [[EXTRACTED:%.*]] = call <8 x i8> @llvm.experimental.vector.extract.v8i8.nxv32i8(<vscale x 32 x i8> [[INSERTED]], i64 0) 17; CHECK-NEXT: ret <8 x i8> [[EXTRACTED]] 18; 19 %inserted = call <vscale x 32 x i8> @llvm.experimental.vector.insert.nxv32i8.v16i8(<vscale x 32 x i8> undef, <16 x i8> %x, i64 0) 20 %extracted = call <8 x i8> @llvm.experimental.vector.extract.v8i8.nxv32i8(<vscale x 32 x i8> %inserted, i64 0) 21 ret <8 x i8> %extracted 22} 23 24declare <16 x i8> @llvm.experimental.vector.extract.v16i8.nxv32i8(<vscale x 32 x i8>, i64) 25declare <8 x i8> @llvm.experimental.vector.extract.v8i8.nxv32i8(<vscale x 32 x i8>, i64) 26declare <vscale x 32 x i8> @llvm.experimental.vector.insert.nxv32i8.v16i8(<vscale x 32 x i8>, <16 x i8>, i64) 27