; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \ ; RUN: | FileCheck -check-prefix=RV32I %s ; RUN: llc -mtriple=riscv32 -mattr=+m -verify-machineinstrs < %s \ ; RUN: | FileCheck -check-prefix=RV32IM %s define i32 @udiv(i32 %a, i32 %b) nounwind { ; RV32I-LABEL: udiv: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) ; RV32I-NEXT: call __udivsi3 ; RV32I-NEXT: lw ra, 12(sp) ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV32IM-LABEL: udiv: ; RV32IM: # %bb.0: ; RV32IM-NEXT: divu a0, a0, a1 ; RV32IM-NEXT: ret %1 = udiv i32 %a, %b ret i32 %1 } define i32 @udiv_constant(i32 %a) nounwind { ; RV32I-LABEL: udiv_constant: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) ; RV32I-NEXT: addi a1, zero, 5 ; RV32I-NEXT: call __udivsi3 ; RV32I-NEXT: lw ra, 12(sp) ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV32IM-LABEL: udiv_constant: ; RV32IM: # %bb.0: ; RV32IM-NEXT: lui a1, 838861 ; RV32IM-NEXT: addi a1, a1, -819 ; RV32IM-NEXT: mulhu a0, a0, a1 ; RV32IM-NEXT: srli a0, a0, 2 ; RV32IM-NEXT: ret %1 = udiv i32 %a, 5 ret i32 %1 } define i32 @udiv_pow2(i32 %a) nounwind { ; RV32I-LABEL: udiv_pow2: ; RV32I: # %bb.0: ; RV32I-NEXT: srli a0, a0, 3 ; RV32I-NEXT: ret ; ; RV32IM-LABEL: udiv_pow2: ; RV32IM: # %bb.0: ; RV32IM-NEXT: srli a0, a0, 3 ; RV32IM-NEXT: ret %1 = udiv i32 %a, 8 ret i32 %1 } define i64 @udiv64(i64 %a, i64 %b) nounwind { ; RV32I-LABEL: udiv64: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) ; RV32I-NEXT: call __udivdi3 ; RV32I-NEXT: lw ra, 12(sp) ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV32IM-LABEL: udiv64: ; RV32IM: # %bb.0: ; RV32IM-NEXT: addi sp, sp, -16 ; RV32IM-NEXT: sw ra, 12(sp) ; RV32IM-NEXT: call __udivdi3 ; RV32IM-NEXT: lw ra, 12(sp) ; RV32IM-NEXT: addi sp, sp, 16 ; RV32IM-NEXT: ret %1 = udiv i64 %a, %b ret i64 %1 } define i64 @udiv64_constant(i64 %a) nounwind { ; RV32I-LABEL: udiv64_constant: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) ; RV32I-NEXT: addi a2, zero, 5 ; RV32I-NEXT: mv a3, zero ; RV32I-NEXT: call __udivdi3 ; RV32I-NEXT: lw ra, 12(sp) ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV32IM-LABEL: udiv64_constant: ; RV32IM: # %bb.0: ; RV32IM-NEXT: addi sp, sp, -16 ; RV32IM-NEXT: sw ra, 12(sp) ; RV32IM-NEXT: addi a2, zero, 5 ; RV32IM-NEXT: mv a3, zero ; RV32IM-NEXT: call __udivdi3 ; RV32IM-NEXT: lw ra, 12(sp) ; RV32IM-NEXT: addi sp, sp, 16 ; RV32IM-NEXT: ret %1 = udiv i64 %a, 5 ret i64 %1 } define i32 @sdiv(i32 %a, i32 %b) nounwind { ; RV32I-LABEL: sdiv: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) ; RV32I-NEXT: call __divsi3 ; RV32I-NEXT: lw ra, 12(sp) ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV32IM-LABEL: sdiv: ; RV32IM: # %bb.0: ; RV32IM-NEXT: div a0, a0, a1 ; RV32IM-NEXT: ret %1 = sdiv i32 %a, %b ret i32 %1 } define i32 @sdiv_constant(i32 %a) nounwind { ; RV32I-LABEL: sdiv_constant: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) ; RV32I-NEXT: addi a1, zero, 5 ; RV32I-NEXT: call __divsi3 ; RV32I-NEXT: lw ra, 12(sp) ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV32IM-LABEL: sdiv_constant: ; RV32IM: # %bb.0: ; RV32IM-NEXT: lui a1, 419430 ; RV32IM-NEXT: addi a1, a1, 1639 ; RV32IM-NEXT: mulh a0, a0, a1 ; RV32IM-NEXT: srli a1, a0, 31 ; RV32IM-NEXT: srai a0, a0, 1 ; RV32IM-NEXT: add a0, a0, a1 ; RV32IM-NEXT: ret %1 = sdiv i32 %a, 5 ret i32 %1 } define i32 @sdiv_pow2(i32 %a) nounwind { ; RV32I-LABEL: sdiv_pow2: ; RV32I: # %bb.0: ; RV32I-NEXT: srai a1, a0, 31 ; RV32I-NEXT: srli a1, a1, 29 ; RV32I-NEXT: add a0, a0, a1 ; RV32I-NEXT: srai a0, a0, 3 ; RV32I-NEXT: ret ; ; RV32IM-LABEL: sdiv_pow2: ; RV32IM: # %bb.0: ; RV32IM-NEXT: srai a1, a0, 31 ; RV32IM-NEXT: srli a1, a1, 29 ; RV32IM-NEXT: add a0, a0, a1 ; RV32IM-NEXT: srai a0, a0, 3 ; RV32IM-NEXT: ret %1 = sdiv i32 %a, 8 ret i32 %1 } define i64 @sdiv64(i64 %a, i64 %b) nounwind { ; RV32I-LABEL: sdiv64: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) ; RV32I-NEXT: call __divdi3 ; RV32I-NEXT: lw ra, 12(sp) ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV32IM-LABEL: sdiv64: ; RV32IM: # %bb.0: ; RV32IM-NEXT: addi sp, sp, -16 ; RV32IM-NEXT: sw ra, 12(sp) ; RV32IM-NEXT: call __divdi3 ; RV32IM-NEXT: lw ra, 12(sp) ; RV32IM-NEXT: addi sp, sp, 16 ; RV32IM-NEXT: ret %1 = sdiv i64 %a, %b ret i64 %1 } define i64 @sdiv64_constant(i64 %a) nounwind { ; RV32I-LABEL: sdiv64_constant: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) ; RV32I-NEXT: addi a2, zero, 5 ; RV32I-NEXT: mv a3, zero ; RV32I-NEXT: call __divdi3 ; RV32I-NEXT: lw ra, 12(sp) ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV32IM-LABEL: sdiv64_constant: ; RV32IM: # %bb.0: ; RV32IM-NEXT: addi sp, sp, -16 ; RV32IM-NEXT: sw ra, 12(sp) ; RV32IM-NEXT: addi a2, zero, 5 ; RV32IM-NEXT: mv a3, zero ; RV32IM-NEXT: call __divdi3 ; RV32IM-NEXT: lw ra, 12(sp) ; RV32IM-NEXT: addi sp, sp, 16 ; RV32IM-NEXT: ret %1 = sdiv i64 %a, 5 ret i64 %1 }