; 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 ; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \ ; RUN: | FileCheck %s -check-prefix=RV64I define i8 @sext_i1_to_i8(i1 %a) nounwind { ; RV32I-LABEL: sext_i1_to_i8: ; RV32I: # %bb.0: ; RV32I-NEXT: andi a0, a0, 1 ; RV32I-NEXT: neg a0, a0 ; RV32I-NEXT: ret ; ; RV64I-LABEL: sext_i1_to_i8: ; RV64I: # %bb.0: ; RV64I-NEXT: andi a0, a0, 1 ; RV64I-NEXT: neg a0, a0 ; RV64I-NEXT: ret %1 = sext i1 %a to i8 ret i8 %1 } define i16 @sext_i1_to_i16(i1 %a) nounwind { ; RV32I-LABEL: sext_i1_to_i16: ; RV32I: # %bb.0: ; RV32I-NEXT: andi a0, a0, 1 ; RV32I-NEXT: neg a0, a0 ; RV32I-NEXT: ret ; ; RV64I-LABEL: sext_i1_to_i16: ; RV64I: # %bb.0: ; RV64I-NEXT: andi a0, a0, 1 ; RV64I-NEXT: neg a0, a0 ; RV64I-NEXT: ret %1 = sext i1 %a to i16 ret i16 %1 } define i32 @sext_i1_to_i32(i1 %a) nounwind { ; RV32I-LABEL: sext_i1_to_i32: ; RV32I: # %bb.0: ; RV32I-NEXT: andi a0, a0, 1 ; RV32I-NEXT: neg a0, a0 ; RV32I-NEXT: ret ; ; RV64I-LABEL: sext_i1_to_i32: ; RV64I: # %bb.0: ; RV64I-NEXT: andi a0, a0, 1 ; RV64I-NEXT: neg a0, a0 ; RV64I-NEXT: ret %1 = sext i1 %a to i32 ret i32 %1 } define i64 @sext_i1_to_i64(i1 %a) nounwind { ; RV32I-LABEL: sext_i1_to_i64: ; RV32I: # %bb.0: ; RV32I-NEXT: andi a0, a0, 1 ; RV32I-NEXT: neg a0, a0 ; RV32I-NEXT: mv a1, a0 ; RV32I-NEXT: ret ; ; RV64I-LABEL: sext_i1_to_i64: ; RV64I: # %bb.0: ; RV64I-NEXT: andi a0, a0, 1 ; RV64I-NEXT: neg a0, a0 ; RV64I-NEXT: ret %1 = sext i1 %a to i64 ret i64 %1 } define i16 @sext_i8_to_i16(i8 %a) nounwind { ; RV32I-LABEL: sext_i8_to_i16: ; RV32I: # %bb.0: ; RV32I-NEXT: slli a0, a0, 24 ; RV32I-NEXT: srai a0, a0, 24 ; RV32I-NEXT: ret ; ; RV64I-LABEL: sext_i8_to_i16: ; RV64I: # %bb.0: ; RV64I-NEXT: slli a0, a0, 56 ; RV64I-NEXT: srai a0, a0, 56 ; RV64I-NEXT: ret %1 = sext i8 %a to i16 ret i16 %1 } define i32 @sext_i8_to_i32(i8 %a) nounwind { ; RV32I-LABEL: sext_i8_to_i32: ; RV32I: # %bb.0: ; RV32I-NEXT: slli a0, a0, 24 ; RV32I-NEXT: srai a0, a0, 24 ; RV32I-NEXT: ret ; ; RV64I-LABEL: sext_i8_to_i32: ; RV64I: # %bb.0: ; RV64I-NEXT: slli a0, a0, 56 ; RV64I-NEXT: srai a0, a0, 56 ; RV64I-NEXT: ret %1 = sext i8 %a to i32 ret i32 %1 } define i64 @sext_i8_to_i64(i8 %a) nounwind { ; RV32I-LABEL: sext_i8_to_i64: ; RV32I: # %bb.0: ; RV32I-NEXT: slli a1, a0, 24 ; RV32I-NEXT: srai a0, a1, 24 ; RV32I-NEXT: srai a1, a1, 31 ; RV32I-NEXT: ret ; ; RV64I-LABEL: sext_i8_to_i64: ; RV64I: # %bb.0: ; RV64I-NEXT: slli a0, a0, 56 ; RV64I-NEXT: srai a0, a0, 56 ; RV64I-NEXT: ret %1 = sext i8 %a to i64 ret i64 %1 } define i32 @sext_i16_to_i32(i16 %a) nounwind { ; RV32I-LABEL: sext_i16_to_i32: ; RV32I: # %bb.0: ; RV32I-NEXT: slli a0, a0, 16 ; RV32I-NEXT: srai a0, a0, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: sext_i16_to_i32: ; RV64I: # %bb.0: ; RV64I-NEXT: slli a0, a0, 48 ; RV64I-NEXT: srai a0, a0, 48 ; RV64I-NEXT: ret %1 = sext i16 %a to i32 ret i32 %1 } define i64 @sext_i16_to_i64(i16 %a) nounwind { ; RV32I-LABEL: sext_i16_to_i64: ; RV32I: # %bb.0: ; RV32I-NEXT: slli a1, a0, 16 ; RV32I-NEXT: srai a0, a1, 16 ; RV32I-NEXT: srai a1, a1, 31 ; RV32I-NEXT: ret ; ; RV64I-LABEL: sext_i16_to_i64: ; RV64I: # %bb.0: ; RV64I-NEXT: slli a0, a0, 48 ; RV64I-NEXT: srai a0, a0, 48 ; RV64I-NEXT: ret %1 = sext i16 %a to i64 ret i64 %1 } define i64 @sext_i32_to_i64(i32 %a) nounwind { ; RV32I-LABEL: sext_i32_to_i64: ; RV32I: # %bb.0: ; RV32I-NEXT: srai a1, a0, 31 ; RV32I-NEXT: ret ; ; RV64I-LABEL: sext_i32_to_i64: ; RV64I: # %bb.0: ; RV64I-NEXT: sext.w a0, a0 ; RV64I-NEXT: ret %1 = sext i32 %a to i64 ret i64 %1 } define i8 @zext_i1_to_i8(i1 %a) nounwind { ; RV32I-LABEL: zext_i1_to_i8: ; RV32I: # %bb.0: ; RV32I-NEXT: andi a0, a0, 1 ; RV32I-NEXT: ret ; ; RV64I-LABEL: zext_i1_to_i8: ; RV64I: # %bb.0: ; RV64I-NEXT: andi a0, a0, 1 ; RV64I-NEXT: ret %1 = zext i1 %a to i8 ret i8 %1 } define i16 @zext_i1_to_i16(i1 %a) nounwind { ; RV32I-LABEL: zext_i1_to_i16: ; RV32I: # %bb.0: ; RV32I-NEXT: andi a0, a0, 1 ; RV32I-NEXT: ret ; ; RV64I-LABEL: zext_i1_to_i16: ; RV64I: # %bb.0: ; RV64I-NEXT: andi a0, a0, 1 ; RV64I-NEXT: ret %1 = zext i1 %a to i16 ret i16 %1 } define i32 @zext_i1_to_i32(i1 %a) nounwind { ; RV32I-LABEL: zext_i1_to_i32: ; RV32I: # %bb.0: ; RV32I-NEXT: andi a0, a0, 1 ; RV32I-NEXT: ret ; ; RV64I-LABEL: zext_i1_to_i32: ; RV64I: # %bb.0: ; RV64I-NEXT: andi a0, a0, 1 ; RV64I-NEXT: ret %1 = zext i1 %a to i32 ret i32 %1 } define i64 @zext_i1_to_i64(i1 %a) nounwind { ; RV32I-LABEL: zext_i1_to_i64: ; RV32I: # %bb.0: ; RV32I-NEXT: andi a0, a0, 1 ; RV32I-NEXT: li a1, 0 ; RV32I-NEXT: ret ; ; RV64I-LABEL: zext_i1_to_i64: ; RV64I: # %bb.0: ; RV64I-NEXT: andi a0, a0, 1 ; RV64I-NEXT: ret %1 = zext i1 %a to i64 ret i64 %1 } define i16 @zext_i8_to_i16(i8 %a) nounwind { ; RV32I-LABEL: zext_i8_to_i16: ; RV32I: # %bb.0: ; RV32I-NEXT: andi a0, a0, 255 ; RV32I-NEXT: ret ; ; RV64I-LABEL: zext_i8_to_i16: ; RV64I: # %bb.0: ; RV64I-NEXT: andi a0, a0, 255 ; RV64I-NEXT: ret %1 = zext i8 %a to i16 ret i16 %1 } define i32 @zext_i8_to_i32(i8 %a) nounwind { ; RV32I-LABEL: zext_i8_to_i32: ; RV32I: # %bb.0: ; RV32I-NEXT: andi a0, a0, 255 ; RV32I-NEXT: ret ; ; RV64I-LABEL: zext_i8_to_i32: ; RV64I: # %bb.0: ; RV64I-NEXT: andi a0, a0, 255 ; RV64I-NEXT: ret %1 = zext i8 %a to i32 ret i32 %1 } define i64 @zext_i8_to_i64(i8 %a) nounwind { ; RV32I-LABEL: zext_i8_to_i64: ; RV32I: # %bb.0: ; RV32I-NEXT: andi a0, a0, 255 ; RV32I-NEXT: li a1, 0 ; RV32I-NEXT: ret ; ; RV64I-LABEL: zext_i8_to_i64: ; RV64I: # %bb.0: ; RV64I-NEXT: andi a0, a0, 255 ; RV64I-NEXT: ret %1 = zext i8 %a to i64 ret i64 %1 } define i32 @zext_i16_to_i32(i16 %a) nounwind { ; RV32I-LABEL: zext_i16_to_i32: ; RV32I: # %bb.0: ; RV32I-NEXT: slli a0, a0, 16 ; RV32I-NEXT: srli a0, a0, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: zext_i16_to_i32: ; RV64I: # %bb.0: ; RV64I-NEXT: slli a0, a0, 48 ; RV64I-NEXT: srli a0, a0, 48 ; RV64I-NEXT: ret %1 = zext i16 %a to i32 ret i32 %1 } define i64 @zext_i16_to_i64(i16 %a) nounwind { ; RV32I-LABEL: zext_i16_to_i64: ; RV32I: # %bb.0: ; RV32I-NEXT: slli a0, a0, 16 ; RV32I-NEXT: srli a0, a0, 16 ; RV32I-NEXT: li a1, 0 ; RV32I-NEXT: ret ; ; RV64I-LABEL: zext_i16_to_i64: ; RV64I: # %bb.0: ; RV64I-NEXT: slli a0, a0, 48 ; RV64I-NEXT: srli a0, a0, 48 ; RV64I-NEXT: ret %1 = zext i16 %a to i64 ret i64 %1 } define i64 @zext_i32_to_i64(i32 %a) nounwind { ; RV32I-LABEL: zext_i32_to_i64: ; RV32I: # %bb.0: ; RV32I-NEXT: li a1, 0 ; RV32I-NEXT: ret ; ; RV64I-LABEL: zext_i32_to_i64: ; RV64I: # %bb.0: ; RV64I-NEXT: slli a0, a0, 32 ; RV64I-NEXT: srli a0, a0, 32 ; RV64I-NEXT: ret %1 = zext i32 %a to i64 ret i64 %1 } define i1 @trunc_i8_to_i1(i8 %a) nounwind { ; RV32I-LABEL: trunc_i8_to_i1: ; RV32I: # %bb.0: ; RV32I-NEXT: ret ; ; RV64I-LABEL: trunc_i8_to_i1: ; RV64I: # %bb.0: ; RV64I-NEXT: ret %1 = trunc i8 %a to i1 ret i1 %1 } define i1 @trunc_i16_to_i1(i16 %a) nounwind { ; RV32I-LABEL: trunc_i16_to_i1: ; RV32I: # %bb.0: ; RV32I-NEXT: ret ; ; RV64I-LABEL: trunc_i16_to_i1: ; RV64I: # %bb.0: ; RV64I-NEXT: ret %1 = trunc i16 %a to i1 ret i1 %1 } define i1 @trunc_i32_to_i1(i32 %a) nounwind { ; RV32I-LABEL: trunc_i32_to_i1: ; RV32I: # %bb.0: ; RV32I-NEXT: ret ; ; RV64I-LABEL: trunc_i32_to_i1: ; RV64I: # %bb.0: ; RV64I-NEXT: ret %1 = trunc i32 %a to i1 ret i1 %1 } define i1 @trunc_i64_to_i1(i64 %a) nounwind { ; RV32I-LABEL: trunc_i64_to_i1: ; RV32I: # %bb.0: ; RV32I-NEXT: ret ; ; RV64I-LABEL: trunc_i64_to_i1: ; RV64I: # %bb.0: ; RV64I-NEXT: ret %1 = trunc i64 %a to i1 ret i1 %1 } define i8 @trunc_i16_to_i8(i16 %a) nounwind { ; RV32I-LABEL: trunc_i16_to_i8: ; RV32I: # %bb.0: ; RV32I-NEXT: ret ; ; RV64I-LABEL: trunc_i16_to_i8: ; RV64I: # %bb.0: ; RV64I-NEXT: ret %1 = trunc i16 %a to i8 ret i8 %1 } define i8 @trunc_i32_to_i8(i32 %a) nounwind { ; RV32I-LABEL: trunc_i32_to_i8: ; RV32I: # %bb.0: ; RV32I-NEXT: ret ; ; RV64I-LABEL: trunc_i32_to_i8: ; RV64I: # %bb.0: ; RV64I-NEXT: ret %1 = trunc i32 %a to i8 ret i8 %1 } define i8 @trunc_i64_to_i8(i64 %a) nounwind { ; RV32I-LABEL: trunc_i64_to_i8: ; RV32I: # %bb.0: ; RV32I-NEXT: ret ; ; RV64I-LABEL: trunc_i64_to_i8: ; RV64I: # %bb.0: ; RV64I-NEXT: ret %1 = trunc i64 %a to i8 ret i8 %1 } define i16 @trunc_i32_to_i16(i32 %a) nounwind { ; RV32I-LABEL: trunc_i32_to_i16: ; RV32I: # %bb.0: ; RV32I-NEXT: ret ; ; RV64I-LABEL: trunc_i32_to_i16: ; RV64I: # %bb.0: ; RV64I-NEXT: ret %1 = trunc i32 %a to i16 ret i16 %1 } define i16 @trunc_i64_to_i16(i64 %a) nounwind { ; RV32I-LABEL: trunc_i64_to_i16: ; RV32I: # %bb.0: ; RV32I-NEXT: ret ; ; RV64I-LABEL: trunc_i64_to_i16: ; RV64I: # %bb.0: ; RV64I-NEXT: ret %1 = trunc i64 %a to i16 ret i16 %1 } define i32 @trunc_i64_to_i32(i64 %a) nounwind { ; RV32I-LABEL: trunc_i64_to_i32: ; RV32I: # %bb.0: ; RV32I-NEXT: ret ; ; RV64I-LABEL: trunc_i64_to_i32: ; RV64I: # %bb.0: ; RV64I-NEXT: ret %1 = trunc i64 %a to i32 ret i32 %1 } ;; fold (sext (not x)) -> (add (zext x) -1) define i32 @sext_of_not_i32(i1 %x) { ; RV32I-LABEL: sext_of_not_i32: ; RV32I: # %bb.0: ; RV32I-NEXT: andi a0, a0, 1 ; RV32I-NEXT: addi a0, a0, -1 ; RV32I-NEXT: ret ; ; RV64I-LABEL: sext_of_not_i32: ; RV64I: # %bb.0: ; RV64I-NEXT: andi a0, a0, 1 ; RV64I-NEXT: addi a0, a0, -1 ; RV64I-NEXT: ret %xor = xor i1 %x, 1 %sext = sext i1 %xor to i32 ret i32 %sext } define i64 @sext_of_not_i64(i1 %x) { ; RV32I-LABEL: sext_of_not_i64: ; RV32I: # %bb.0: ; RV32I-NEXT: andi a1, a0, 1 ; RV32I-NEXT: addi a0, a1, -1 ; RV32I-NEXT: sltu a1, a0, a1 ; RV32I-NEXT: addi a1, a1, -1 ; RV32I-NEXT: ret ; ; RV64I-LABEL: sext_of_not_i64: ; RV64I: # %bb.0: ; RV64I-NEXT: andi a0, a0, 1 ; RV64I-NEXT: addi a0, a0, -1 ; RV64I-NEXT: ret %xor = xor i1 %x, 1 %sext = sext i1 %xor to i64 ret i64 %sext } ;; fold (sext (not (setcc a, b, cc))) -> (sext (setcc a, b, !cc)) define i32 @sext_of_not_cmp_i32(i32 %x) { ; RV32I-LABEL: sext_of_not_cmp_i32: ; RV32I: # %bb.0: ; RV32I-NEXT: addi a0, a0, -7 ; RV32I-NEXT: snez a0, a0 ; RV32I-NEXT: neg a0, a0 ; RV32I-NEXT: ret ; ; RV64I-LABEL: sext_of_not_cmp_i32: ; RV64I: # %bb.0: ; RV64I-NEXT: sext.w a0, a0 ; RV64I-NEXT: addi a0, a0, -7 ; RV64I-NEXT: snez a0, a0 ; RV64I-NEXT: neg a0, a0 ; RV64I-NEXT: ret %cmp = icmp eq i32 %x, 7 %xor = xor i1 %cmp, 1 %sext = sext i1 %xor to i32 ret i32 %sext } define i64 @sext_of_not_cmp_i64(i64 %x) { ; RV32I-LABEL: sext_of_not_cmp_i64: ; RV32I: # %bb.0: ; RV32I-NEXT: xori a0, a0, 7 ; RV32I-NEXT: or a0, a0, a1 ; RV32I-NEXT: snez a0, a0 ; RV32I-NEXT: neg a0, a0 ; RV32I-NEXT: mv a1, a0 ; RV32I-NEXT: ret ; ; RV64I-LABEL: sext_of_not_cmp_i64: ; RV64I: # %bb.0: ; RV64I-NEXT: addi a0, a0, -7 ; RV64I-NEXT: snez a0, a0 ; RV64I-NEXT: neg a0, a0 ; RV64I-NEXT: ret %cmp = icmp eq i64 %x, 7 %xor = xor i1 %cmp, 1 %sext = sext i1 %xor to i64 ret i64 %sext } ;; TODO: fold (add (zext (setcc a, b, cc)), -1) -> (sext (setcc a, b, !cc)) define i32 @dec_of_zexted_cmp_i32(i32 %x) { ; RV32I-LABEL: dec_of_zexted_cmp_i32: ; RV32I: # %bb.0: ; RV32I-NEXT: addi a0, a0, -7 ; RV32I-NEXT: seqz a0, a0 ; RV32I-NEXT: addi a0, a0, -1 ; RV32I-NEXT: ret ; ; RV64I-LABEL: dec_of_zexted_cmp_i32: ; RV64I: # %bb.0: ; RV64I-NEXT: sext.w a0, a0 ; RV64I-NEXT: addi a0, a0, -7 ; RV64I-NEXT: seqz a0, a0 ; RV64I-NEXT: addi a0, a0, -1 ; RV64I-NEXT: ret %cmp = icmp eq i32 %x, 7 %zext = zext i1 %cmp to i32 %dec = sub i32 %zext, 1 ret i32 %dec } define i64 @dec_of_zexted_cmp_i64(i64 %x) { ; RV32I-LABEL: dec_of_zexted_cmp_i64: ; RV32I: # %bb.0: ; RV32I-NEXT: xori a0, a0, 7 ; RV32I-NEXT: or a0, a0, a1 ; RV32I-NEXT: seqz a1, a0 ; RV32I-NEXT: addi a0, a1, -1 ; RV32I-NEXT: sltu a1, a0, a1 ; RV32I-NEXT: addi a1, a1, -1 ; RV32I-NEXT: ret ; ; RV64I-LABEL: dec_of_zexted_cmp_i64: ; RV64I: # %bb.0: ; RV64I-NEXT: addi a0, a0, -7 ; RV64I-NEXT: seqz a0, a0 ; RV64I-NEXT: addi a0, a0, -1 ; RV64I-NEXT: ret %cmp = icmp eq i64 %x, 7 %zext = zext i1 %cmp to i64 %dec = sub i64 %zext, 1 ret i64 %dec }