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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc -mtriple=riscv32 -mattr=+zbkb -verify-machineinstrs < %s \3; RUN: | FileCheck %s -check-prefix=RV32ZBKB4 5define i32 @brev8(i32 %a) nounwind {6; RV32ZBKB-LABEL: brev8:7; RV32ZBKB: # %bb.0:8; RV32ZBKB-NEXT: brev8 a0, a09; RV32ZBKB-NEXT: ret10 %val = call i32 @llvm.riscv.brev8(i32 %a)11 ret i32 %val12}13 14; Test that rev8 is recognized as preserving zero extension.15define zeroext i16 @brev8_knownbits(i16 zeroext %a) nounwind {16; RV32ZBKB-LABEL: brev8_knownbits:17; RV32ZBKB: # %bb.0:18; RV32ZBKB-NEXT: brev8 a0, a019; RV32ZBKB-NEXT: ret20 %zext = zext i16 %a to i3221 %val = call i32 @llvm.riscv.brev8(i32 %zext)22 %trunc = trunc i32 %val to i1623 ret i16 %trunc24}25 26define i32 @rev8_i32(i32 %a) nounwind {27; RV32ZBKB-LABEL: rev8_i32:28; RV32ZBKB: # %bb.0:29; RV32ZBKB-NEXT: rev8 a0, a030; RV32ZBKB-NEXT: ret31 %1 = tail call i32 @llvm.bswap.i32(i32 %a)32 ret i32 %133}34 35define i32 @zip(i32 %a) nounwind {36; RV32ZBKB-LABEL: zip:37; RV32ZBKB: # %bb.0:38; RV32ZBKB-NEXT: zip a0, a039; RV32ZBKB-NEXT: ret40 %val = call i32 @llvm.riscv.zip(i32 %a)41 ret i32 %val42}43 44define i32 @unzip(i32 %a) nounwind {45; RV32ZBKB-LABEL: unzip:46; RV32ZBKB: # %bb.0:47; RV32ZBKB-NEXT: unzip a0, a048; RV32ZBKB-NEXT: ret49 %val = call i32 @llvm.riscv.unzip(i32 %a)50 ret i32 %val51}52