; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \ ; RUN: | FileCheck %s -check-prefix=RV64I ; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \ ; RUN: | FileCheck %s -check-prefix=RV32I ; These tests are each targeted at a particular RISC-V ALU instruction. Other ; files in this folder exercise LLVM IR instructions that don't directly match a ; RISC-V instruction. This file contains tests for the instructions common ; between RV32I and RV64I as well as the *W instructions introduced in RV64I. ; Register-immediate instructions define i64 @addi(i64 %a) nounwind { ; RV64I-LABEL: addi: ; RV64I: # %bb.0: ; RV64I-NEXT: addi a0, a0, 1 ; RV64I-NEXT: ret ; ; RV32I-LABEL: addi: ; RV32I: # %bb.0: ; RV32I-NEXT: addi a2, a0, 1 ; RV32I-NEXT: sltu a0, a2, a0 ; RV32I-NEXT: add a1, a1, a0 ; RV32I-NEXT: mv a0, a2 ; RV32I-NEXT: ret %1 = add i64 %a, 1 ret i64 %1 } define i64 @slti(i64 %a) nounwind { ; RV64I-LABEL: slti: ; RV64I: # %bb.0: ; RV64I-NEXT: slti a0, a0, 2 ; RV64I-NEXT: ret ; ; RV32I-LABEL: slti: ; RV32I: # %bb.0: ; RV32I-NEXT: beqz a1, .LBB1_2 ; RV32I-NEXT: # %bb.1: ; RV32I-NEXT: slti a0, a1, 0 ; RV32I-NEXT: mv a1, zero ; RV32I-NEXT: ret ; RV32I-NEXT: .LBB1_2: ; RV32I-NEXT: sltiu a0, a0, 2 ; RV32I-NEXT: mv a1, zero ; RV32I-NEXT: ret %1 = icmp slt i64 %a, 2 %2 = zext i1 %1 to i64 ret i64 %2 } define i64 @sltiu(i64 %a) nounwind { ; RV64I-LABEL: sltiu: ; RV64I: # %bb.0: ; RV64I-NEXT: sltiu a0, a0, 3 ; RV64I-NEXT: ret ; ; RV32I-LABEL: sltiu: ; RV32I: # %bb.0: ; RV32I-NEXT: beqz a1, .LBB2_2 ; RV32I-NEXT: # %bb.1: ; RV32I-NEXT: mv a0, zero ; RV32I-NEXT: mv a1, zero ; RV32I-NEXT: ret ; RV32I-NEXT: .LBB2_2: ; RV32I-NEXT: sltiu a0, a0, 3 ; RV32I-NEXT: mv a1, zero ; RV32I-NEXT: ret %1 = icmp ult i64 %a, 3 %2 = zext i1 %1 to i64 ret i64 %2 } define i64 @xori(i64 %a) nounwind { ; RV64I-LABEL: xori: ; RV64I: # %bb.0: ; RV64I-NEXT: xori a0, a0, 4 ; RV64I-NEXT: ret ; ; RV32I-LABEL: xori: ; RV32I: # %bb.0: ; RV32I-NEXT: xori a0, a0, 4 ; RV32I-NEXT: ret %1 = xor i64 %a, 4 ret i64 %1 } define i64 @ori(i64 %a) nounwind { ; RV64I-LABEL: ori: ; RV64I: # %bb.0: ; RV64I-NEXT: ori a0, a0, 5 ; RV64I-NEXT: ret ; ; RV32I-LABEL: ori: ; RV32I: # %bb.0: ; RV32I-NEXT: ori a0, a0, 5 ; RV32I-NEXT: ret %1 = or i64 %a, 5 ret i64 %1 } define i64 @andi(i64 %a) nounwind { ; RV64I-LABEL: andi: ; RV64I: # %bb.0: ; RV64I-NEXT: andi a0, a0, 6 ; RV64I-NEXT: ret ; ; RV32I-LABEL: andi: ; RV32I: # %bb.0: ; RV32I-NEXT: andi a0, a0, 6 ; RV32I-NEXT: mv a1, zero ; RV32I-NEXT: ret %1 = and i64 %a, 6 ret i64 %1 } define i64 @slli(i64 %a) nounwind { ; RV64I-LABEL: slli: ; RV64I: # %bb.0: ; RV64I-NEXT: slli a0, a0, 7 ; RV64I-NEXT: ret ; ; RV32I-LABEL: slli: ; RV32I: # %bb.0: ; RV32I-NEXT: srli a2, a0, 25 ; RV32I-NEXT: slli a1, a1, 7 ; RV32I-NEXT: or a1, a1, a2 ; RV32I-NEXT: slli a0, a0, 7 ; RV32I-NEXT: ret %1 = shl i64 %a, 7 ret i64 %1 } define i64 @srli(i64 %a) nounwind { ; RV64I-LABEL: srli: ; RV64I: # %bb.0: ; RV64I-NEXT: srli a0, a0, 8 ; RV64I-NEXT: ret ; ; RV32I-LABEL: srli: ; RV32I: # %bb.0: ; RV32I-NEXT: slli a2, a1, 24 ; RV32I-NEXT: srli a0, a0, 8 ; RV32I-NEXT: or a0, a0, a2 ; RV32I-NEXT: srli a1, a1, 8 ; RV32I-NEXT: ret %1 = lshr i64 %a, 8 ret i64 %1 } define i64 @srai(i64 %a) nounwind { ; RV64I-LABEL: srai: ; RV64I: # %bb.0: ; RV64I-NEXT: srai a0, a0, 9 ; RV64I-NEXT: ret ; ; RV32I-LABEL: srai: ; RV32I: # %bb.0: ; RV32I-NEXT: slli a2, a1, 23 ; RV32I-NEXT: srli a0, a0, 9 ; RV32I-NEXT: or a0, a0, a2 ; RV32I-NEXT: srai a1, a1, 9 ; RV32I-NEXT: ret %1 = ashr i64 %a, 9 ret i64 %1 } ; Register-register instructions define i64 @add(i64 %a, i64 %b) nounwind { ; RV64I-LABEL: add: ; RV64I: # %bb.0: ; RV64I-NEXT: add a0, a0, a1 ; RV64I-NEXT: ret ; ; RV32I-LABEL: add: ; RV32I: # %bb.0: ; RV32I-NEXT: add a1, a1, a3 ; RV32I-NEXT: add a2, a0, a2 ; RV32I-NEXT: sltu a0, a2, a0 ; RV32I-NEXT: add a1, a1, a0 ; RV32I-NEXT: mv a0, a2 ; RV32I-NEXT: ret %1 = add i64 %a, %b ret i64 %1 } define i64 @sub(i64 %a, i64 %b) nounwind { ; RV64I-LABEL: sub: ; RV64I: # %bb.0: ; RV64I-NEXT: sub a0, a0, a1 ; RV64I-NEXT: ret ; ; RV32I-LABEL: sub: ; RV32I: # %bb.0: ; RV32I-NEXT: sltu a4, a0, a2 ; RV32I-NEXT: sub a1, a1, a3 ; RV32I-NEXT: sub a1, a1, a4 ; RV32I-NEXT: sub a0, a0, a2 ; RV32I-NEXT: ret %1 = sub i64 %a, %b ret i64 %1 } define i64 @sll(i64 %a, i64 %b) nounwind { ; RV64I-LABEL: sll: ; RV64I: # %bb.0: ; RV64I-NEXT: sll a0, a0, a1 ; RV64I-NEXT: ret ; ; RV32I-LABEL: sll: ; RV32I: # %bb.0: ; RV32I-NEXT: addi a3, a2, -32 ; RV32I-NEXT: bltz a3, .LBB11_2 ; RV32I-NEXT: # %bb.1: ; RV32I-NEXT: sll a1, a0, a3 ; RV32I-NEXT: mv a0, zero ; RV32I-NEXT: ret ; RV32I-NEXT: .LBB11_2: ; RV32I-NEXT: sll a1, a1, a2 ; RV32I-NEXT: addi a3, zero, 31 ; RV32I-NEXT: sub a3, a3, a2 ; RV32I-NEXT: srli a4, a0, 1 ; RV32I-NEXT: srl a3, a4, a3 ; RV32I-NEXT: or a1, a1, a3 ; RV32I-NEXT: sll a0, a0, a2 ; RV32I-NEXT: ret %1 = shl i64 %a, %b ret i64 %1 } define i64 @slt(i64 %a, i64 %b) nounwind { ; RV64I-LABEL: slt: ; RV64I: # %bb.0: ; RV64I-NEXT: slt a0, a0, a1 ; RV64I-NEXT: ret ; ; RV32I-LABEL: slt: ; RV32I: # %bb.0: ; RV32I-NEXT: beq a1, a3, .LBB12_2 ; RV32I-NEXT: # %bb.1: ; RV32I-NEXT: slt a0, a1, a3 ; RV32I-NEXT: mv a1, zero ; RV32I-NEXT: ret ; RV32I-NEXT: .LBB12_2: ; RV32I-NEXT: sltu a0, a0, a2 ; RV32I-NEXT: mv a1, zero ; RV32I-NEXT: ret %1 = icmp slt i64 %a, %b %2 = zext i1 %1 to i64 ret i64 %2 } define i64 @sltu(i64 %a, i64 %b) nounwind { ; RV64I-LABEL: sltu: ; RV64I: # %bb.0: ; RV64I-NEXT: sltu a0, a0, a1 ; RV64I-NEXT: ret ; ; RV32I-LABEL: sltu: ; RV32I: # %bb.0: ; RV32I-NEXT: beq a1, a3, .LBB13_2 ; RV32I-NEXT: # %bb.1: ; RV32I-NEXT: sltu a0, a1, a3 ; RV32I-NEXT: mv a1, zero ; RV32I-NEXT: ret ; RV32I-NEXT: .LBB13_2: ; RV32I-NEXT: sltu a0, a0, a2 ; RV32I-NEXT: mv a1, zero ; RV32I-NEXT: ret %1 = icmp ult i64 %a, %b %2 = zext i1 %1 to i64 ret i64 %2 } define i64 @xor(i64 %a, i64 %b) nounwind { ; RV64I-LABEL: xor: ; RV64I: # %bb.0: ; RV64I-NEXT: xor a0, a0, a1 ; RV64I-NEXT: ret ; ; RV32I-LABEL: xor: ; RV32I: # %bb.0: ; RV32I-NEXT: xor a0, a0, a2 ; RV32I-NEXT: xor a1, a1, a3 ; RV32I-NEXT: ret %1 = xor i64 %a, %b ret i64 %1 } define i64 @srl(i64 %a, i64 %b) nounwind { ; RV64I-LABEL: srl: ; RV64I: # %bb.0: ; RV64I-NEXT: srl a0, a0, a1 ; RV64I-NEXT: ret ; ; RV32I-LABEL: srl: ; RV32I: # %bb.0: ; RV32I-NEXT: addi a3, a2, -32 ; RV32I-NEXT: bltz a3, .LBB15_2 ; RV32I-NEXT: # %bb.1: ; RV32I-NEXT: srl a0, a1, a3 ; RV32I-NEXT: mv a1, zero ; RV32I-NEXT: ret ; RV32I-NEXT: .LBB15_2: ; RV32I-NEXT: srl a0, a0, a2 ; RV32I-NEXT: addi a3, zero, 31 ; RV32I-NEXT: sub a3, a3, a2 ; RV32I-NEXT: slli a4, a1, 1 ; RV32I-NEXT: sll a3, a4, a3 ; RV32I-NEXT: or a0, a0, a3 ; RV32I-NEXT: srl a1, a1, a2 ; RV32I-NEXT: ret %1 = lshr i64 %a, %b ret i64 %1 } define i64 @sra(i64 %a, i64 %b) nounwind { ; RV64I-LABEL: sra: ; RV64I: # %bb.0: ; RV64I-NEXT: sra a0, a0, a1 ; RV64I-NEXT: ret ; ; RV32I-LABEL: sra: ; RV32I: # %bb.0: ; RV32I-NEXT: addi a3, a2, -32 ; RV32I-NEXT: bltz a3, .LBB16_2 ; RV32I-NEXT: # %bb.1: ; RV32I-NEXT: sra a0, a1, a3 ; RV32I-NEXT: srai a1, a1, 31 ; RV32I-NEXT: ret ; RV32I-NEXT: .LBB16_2: ; RV32I-NEXT: srl a0, a0, a2 ; RV32I-NEXT: addi a3, zero, 31 ; RV32I-NEXT: sub a3, a3, a2 ; RV32I-NEXT: slli a4, a1, 1 ; RV32I-NEXT: sll a3, a4, a3 ; RV32I-NEXT: or a0, a0, a3 ; RV32I-NEXT: sra a1, a1, a2 ; RV32I-NEXT: ret %1 = ashr i64 %a, %b ret i64 %1 } define i64 @or(i64 %a, i64 %b) nounwind { ; RV64I-LABEL: or: ; RV64I: # %bb.0: ; RV64I-NEXT: or a0, a0, a1 ; RV64I-NEXT: ret ; ; RV32I-LABEL: or: ; RV32I: # %bb.0: ; RV32I-NEXT: or a0, a0, a2 ; RV32I-NEXT: or a1, a1, a3 ; RV32I-NEXT: ret %1 = or i64 %a, %b ret i64 %1 } define i64 @and(i64 %a, i64 %b) nounwind { ; RV64I-LABEL: and: ; RV64I: # %bb.0: ; RV64I-NEXT: and a0, a0, a1 ; RV64I-NEXT: ret ; ; RV32I-LABEL: and: ; RV32I: # %bb.0: ; RV32I-NEXT: and a0, a0, a2 ; RV32I-NEXT: and a1, a1, a3 ; RV32I-NEXT: ret %1 = and i64 %a, %b ret i64 %1 } ; RV64I-only instructions define signext i32 @addiw(i32 signext %a) nounwind { ; RV64I-LABEL: addiw: ; RV64I: # %bb.0: ; RV64I-NEXT: addiw a0, a0, 123 ; RV64I-NEXT: ret ; ; RV32I-LABEL: addiw: ; RV32I: # %bb.0: ; RV32I-NEXT: addi a0, a0, 123 ; RV32I-NEXT: ret %1 = add i32 %a, 123 ret i32 %1 } define signext i32 @slliw(i32 signext %a) nounwind { ; RV64I-LABEL: slliw: ; RV64I: # %bb.0: ; RV64I-NEXT: slliw a0, a0, 17 ; RV64I-NEXT: ret ; ; RV32I-LABEL: slliw: ; RV32I: # %bb.0: ; RV32I-NEXT: slli a0, a0, 17 ; RV32I-NEXT: ret %1 = shl i32 %a, 17 ret i32 %1 } define signext i32 @srliw(i32 %a) nounwind { ; RV64I-LABEL: srliw: ; RV64I: # %bb.0: ; RV64I-NEXT: srliw a0, a0, 8 ; RV64I-NEXT: ret ; ; RV32I-LABEL: srliw: ; RV32I: # %bb.0: ; RV32I-NEXT: srli a0, a0, 8 ; RV32I-NEXT: ret %1 = lshr i32 %a, 8 ret i32 %1 } define signext i32 @sraiw(i32 %a) nounwind { ; RV64I-LABEL: sraiw: ; RV64I: # %bb.0: ; RV64I-NEXT: sraiw a0, a0, 9 ; RV64I-NEXT: ret ; ; RV32I-LABEL: sraiw: ; RV32I: # %bb.0: ; RV32I-NEXT: srai a0, a0, 9 ; RV32I-NEXT: ret %1 = ashr i32 %a, 9 ret i32 %1 } define i64 @sraiw_i64(i64 %a) nounwind { ; RV64I-LABEL: sraiw_i64: ; RV64I: # %bb.0: ; RV64I-NEXT: sraiw a0, a0, 9 ; RV64I-NEXT: ret ; ; RV32I-LABEL: sraiw_i64: ; RV32I: # %bb.0: ; RV32I-NEXT: srai a2, a0, 9 ; RV32I-NEXT: srai a1, a0, 31 ; RV32I-NEXT: mv a0, a2 ; RV32I-NEXT: ret %1 = shl i64 %a, 32 %2 = ashr i64 %1, 41 ret i64 %2 } define signext i32 @sextw(i32 zeroext %a) nounwind { ; RV64I-LABEL: sextw: ; RV64I: # %bb.0: ; RV64I-NEXT: sext.w a0, a0 ; RV64I-NEXT: ret ; ; RV32I-LABEL: sextw: ; RV32I: # %bb.0: ; RV32I-NEXT: ret ret i32 %a } define signext i32 @addw(i32 signext %a, i32 signext %b) nounwind { ; RV64I-LABEL: addw: ; RV64I: # %bb.0: ; RV64I-NEXT: addw a0, a0, a1 ; RV64I-NEXT: ret ; ; RV32I-LABEL: addw: ; RV32I: # %bb.0: ; RV32I-NEXT: add a0, a0, a1 ; RV32I-NEXT: ret %1 = add i32 %a, %b ret i32 %1 } define signext i32 @subw(i32 signext %a, i32 signext %b) nounwind { ; RV64I-LABEL: subw: ; RV64I: # %bb.0: ; RV64I-NEXT: subw a0, a0, a1 ; RV64I-NEXT: ret ; ; RV32I-LABEL: subw: ; RV32I: # %bb.0: ; RV32I-NEXT: sub a0, a0, a1 ; RV32I-NEXT: ret %1 = sub i32 %a, %b ret i32 %1 } define signext i32 @sllw(i32 signext %a, i32 zeroext %b) nounwind { ; RV64I-LABEL: sllw: ; RV64I: # %bb.0: ; RV64I-NEXT: sllw a0, a0, a1 ; RV64I-NEXT: ret ; ; RV32I-LABEL: sllw: ; RV32I: # %bb.0: ; RV32I-NEXT: sll a0, a0, a1 ; RV32I-NEXT: ret %1 = shl i32 %a, %b ret i32 %1 } define signext i32 @srlw(i32 signext %a, i32 zeroext %b) nounwind { ; RV64I-LABEL: srlw: ; RV64I: # %bb.0: ; RV64I-NEXT: srlw a0, a0, a1 ; RV64I-NEXT: ret ; ; RV32I-LABEL: srlw: ; RV32I: # %bb.0: ; RV32I-NEXT: srl a0, a0, a1 ; RV32I-NEXT: ret %1 = lshr i32 %a, %b ret i32 %1 } define signext i32 @sraw(i64 %a, i32 zeroext %b) nounwind { ; RV64I-LABEL: sraw: ; RV64I: # %bb.0: ; RV64I-NEXT: sraw a0, a0, a1 ; RV64I-NEXT: ret ; ; RV32I-LABEL: sraw: ; RV32I: # %bb.0: ; RV32I-NEXT: sra a0, a0, a2 ; RV32I-NEXT: ret %1 = trunc i64 %a to i32 %2 = ashr i32 %1, %b ret i32 %2 }