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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -global-isel -verify-machineinstrs -O0 < %s \
; RUN: | FileCheck %s --check-prefixes=RV32,RV32-O0
; RUN: llc -mtriple=riscv64 -global-isel -verify-machineinstrs -O0 < %s \
; RUN: | FileCheck %s --check-prefixes=RV64,RV64-O0
; RUN: llc -mtriple=riscv32 -global-isel -verify-machineinstrs < %s \
; RUN: | FileCheck %s --check-prefixes=RV32,RV32-OPT
; RUN: llc -mtriple=riscv64 -global-isel -verify-machineinstrs < %s \
; RUN: | FileCheck %s --check-prefixes=RV64,RV64-OPT
define i32 @constant_to_rhs(i32 %x) {
; RV32-O0-LABEL: constant_to_rhs:
; RV32-O0: # %bb.0:
; RV32-O0-NEXT: mv a1, a0
; RV32-O0-NEXT: li a0, 1
; RV32-O0-NEXT: add a0, a0, a1
; RV32-O0-NEXT: ret
;
; RV64-O0-LABEL: constant_to_rhs:
; RV64-O0: # %bb.0:
; RV64-O0-NEXT: mv a1, a0
; RV64-O0-NEXT: li a0, 1
; RV64-O0-NEXT: addw a0, a0, a1
; RV64-O0-NEXT: ret
;
; RV32-OPT-LABEL: constant_to_rhs:
; RV32-OPT: # %bb.0:
; RV32-OPT-NEXT: addi a0, a0, 1
; RV32-OPT-NEXT: ret
;
; RV64-OPT-LABEL: constant_to_rhs:
; RV64-OPT: # %bb.0:
; RV64-OPT-NEXT: addiw a0, a0, 1
; RV64-OPT-NEXT: ret
%a = add i32 1, %x
ret i32 %a
}
define i32 @mul_to_shift(i32 %x) {
; RV32-LABEL: mul_to_shift:
; RV32: # %bb.0:
; RV32-NEXT: slli a0, a0, 2
; RV32-NEXT: ret
;
; RV64-LABEL: mul_to_shift:
; RV64: # %bb.0:
; RV64-NEXT: slliw a0, a0, 2
; RV64-NEXT: ret
%a = mul i32 %x, 4
ret i32 %a
}
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