45 lines
2.6 KiB
LLVM
45 lines
2.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -passes=instcombine < %s | FileCheck %s
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; Check that the redundant sequences of extract/insert are eliminated.
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; extract.vector(insert.vector(Tuple, Value, Idx), Idx) --> Value
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define <vscale x 16 x i8> @test_extract_insert_same_idx(<vscale x 64 x i8> %v0, <vscale x 16 x i8> %v1) {
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; CHECK-LABEL: @test_extract_insert_same_idx(
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; CHECK-NEXT: ret <vscale x 16 x i8> [[V1:%.*]]
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;
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%vec.ins = call <vscale x 64 x i8> @llvm.vector.insert.nxv64i8.nxv16i8(<vscale x 64 x i8> %v0, <vscale x 16 x i8> %v1, i64 48)
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%vec.ext = call <vscale x 16 x i8> @llvm.vector.extract.nxv16i8.nxv64i8(<vscale x 64 x i8> %vec.ins, i64 48)
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ret <vscale x 16 x i8> %vec.ext
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}
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; extract.vector(insert.vector(Vector, Value, InsertIndex), ExtractIndex)
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; --> extract.vector(Vector, ExtractIndex)
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define <vscale x 16 x i8> @test_extract_insert_dif_idx(<vscale x 64 x i8> %v0, <vscale x 16 x i8> %v1) {
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; CHECK-LABEL: @test_extract_insert_dif_idx(
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; CHECK-NEXT: [[VEC_EXT:%.*]] = call <vscale x 16 x i8> @llvm.vector.extract.nxv16i8.nxv64i8(<vscale x 64 x i8> [[V0:%.*]], i64 0)
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; CHECK-NEXT: ret <vscale x 16 x i8> [[VEC_EXT]]
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;
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%vec.ins = call <vscale x 64 x i8> @llvm.vector.insert.nxv64i8.nxv16i8(<vscale x 64 x i8> %v0, <vscale x 16 x i8> %v1, i64 48)
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%vec.ext = call <vscale x 16 x i8> @llvm.vector.extract.nxv16i8.nxv64i8(<vscale x 64 x i8> %vec.ins, i64 0)
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ret <vscale x 16 x i8> %vec.ext
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}
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; Negative test
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; The extracted vector-size != inserted vector-size
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define <vscale x 32 x i8> @neg_test_extract_insert_same_idx_dif_ret_size(<vscale x 64 x i8> %v0, <vscale x 16 x i8> %v1) {
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; CHECK-LABEL: @neg_test_extract_insert_same_idx_dif_ret_size(
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; CHECK-NEXT: [[VEC_INS:%.*]] = call <vscale x 64 x i8> @llvm.vector.insert.nxv64i8.nxv16i8(<vscale x 64 x i8> [[V0:%.*]], <vscale x 16 x i8> [[V1:%.*]], i64 32)
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; CHECK-NEXT: [[VEC_EXT:%.*]] = call <vscale x 32 x i8> @llvm.vector.extract.nxv32i8.nxv64i8(<vscale x 64 x i8> [[VEC_INS]], i64 32)
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; CHECK-NEXT: ret <vscale x 32 x i8> [[VEC_EXT]]
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;
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%vec.ins = call <vscale x 64 x i8> @llvm.vector.insert.nxv64i8.nxv16i8(<vscale x 64 x i8> %v0, <vscale x 16 x i8> %v1, i64 32)
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%vec.ext = call <vscale x 32 x i8> @llvm.vector.extract.nxv32i8.nxv64i8(<vscale x 64 x i8> %vec.ins, i64 32)
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ret <vscale x 32 x i8> %vec.ext
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}
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declare <vscale x 64 x i8> @llvm.vector.insert.nxv64i8.nxv16i8(<vscale x 64 x i8>, <vscale x 16 x i8>, i64)
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declare <vscale x 16 x i8> @llvm.vector.extract.nxv16i8.nxv64i8(<vscale x 64 x i8>, i64)
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declare <vscale x 32 x i8> @llvm.vector.extract.nxv32i8.nxv64i8(<vscale x 64 x i8>, i64)
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