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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \
; RUN: | FileCheck %s -check-prefix=RV32I
; These IR sequences will generate ISD::ROTL and ISD::ROTR nodes, that the
; RISC-V backend must be able to select
define i32 @rotl(i32 %x, i32 %y) {
; RV32I-LABEL: rotl:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: sw s0, 8(sp)
; RV32I-NEXT: addi s0, sp, 16
; RV32I-NEXT: addi a2, zero, 32
; RV32I-NEXT: sub a2, a2, a1
; RV32I-NEXT: sll a1, a0, a1
; RV32I-NEXT: srl a0, a0, a2
; RV32I-NEXT: or a0, a1, a0
; RV32I-NEXT: lw s0, 8(sp)
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
%z = sub i32 32, %y
%b = shl i32 %x, %y
%c = lshr i32 %x, %z
%d = or i32 %b, %c
ret i32 %d
}
define i32 @rotr(i32 %x, i32 %y) {
; RV32I-LABEL: rotr:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: sw s0, 8(sp)
; RV32I-NEXT: addi s0, sp, 16
; RV32I-NEXT: addi a2, zero, 32
; RV32I-NEXT: sub a2, a2, a1
; RV32I-NEXT: srl a1, a0, a1
; RV32I-NEXT: sll a0, a0, a2
; RV32I-NEXT: or a0, a1, a0
; RV32I-NEXT: lw s0, 8(sp)
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
%z = sub i32 32, %y
%b = lshr i32 %x, %y
%c = shl i32 %x, %z
%d = or i32 %b, %c
ret i32 %d
}
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