| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | 
 | ; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \ | 
 | ; RUN:   | FileCheck -check-prefixes=RV32,RV32I %s | 
 | ; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \ | 
 | ; RUN:   | FileCheck -check-prefixes=RV64I %s | 
 | ; RUN: llc -mtriple=riscv64 -mcpu=sifive-u74 -verify-machineinstrs < %s \ | 
 | ; RUN:   | FileCheck -check-prefix=SFB64 %s | 
 | ; RUN: llc -mtriple=riscv64 -mattr=+xventanacondops -verify-machineinstrs < %s \ | 
 | ; RUN:   | FileCheck -check-prefixes=VTCONDOPS64 %s | 
 | ; RUN: llc -mtriple=riscv32 -mattr=+zicond -verify-machineinstrs < %s \ | 
 | ; RUN:   | FileCheck -check-prefixes=RV32,ZICOND,ZICOND32 %s | 
 | ; RUN: llc -mtriple=riscv64 -mattr=+zicond -verify-machineinstrs < %s \ | 
 | ; RUN:   | FileCheck -check-prefixes=ZICOND,ZICOND64 %s | 
 | ; RUN: llc -mtriple=riscv64 -mattr=+c,+conditional-cmv-fusion \ | 
 | ; RUN:   -verify-machineinstrs < %s | FileCheck -check-prefixes=CMV-FUSION %s | 
 |  | 
 | ; InstCombine canonicalizes (c ? x | y : x) to (x | (c ? y : 0)) similar for | 
 | ; other binary operations using their identity value as the constant. | 
 |  | 
 | ; We can reverse this for and/or/xor. Allowing us to pull the binop into | 
 | ; the basic block we create when we expand select. | 
 |  | 
 | define signext i32 @and_select_all_ones_i32(i1 zeroext %c, i32 signext %x, i32 signext %y) { | 
 | ; RV32I-LABEL: and_select_all_ones_i32: | 
 | ; RV32I:       # %bb.0: | 
 | ; RV32I-NEXT:    addi a0, a0, -1 | 
 | ; RV32I-NEXT:    or a0, a0, a1 | 
 | ; RV32I-NEXT:    and a0, a0, a2 | 
 | ; RV32I-NEXT:    ret | 
 | ; | 
 | ; RV64I-LABEL: and_select_all_ones_i32: | 
 | ; RV64I:       # %bb.0: | 
 | ; RV64I-NEXT:    addi a0, a0, -1 | 
 | ; RV64I-NEXT:    or a0, a0, a1 | 
 | ; RV64I-NEXT:    and a0, a0, a2 | 
 | ; RV64I-NEXT:    ret | 
 | ; | 
 | ; SFB64-LABEL: and_select_all_ones_i32: | 
 | ; SFB64:       # %bb.0: | 
 | ; SFB64-NEXT:    beqz a0, .LBB0_2 | 
 | ; SFB64-NEXT:  # %bb.1: | 
 | ; SFB64-NEXT:    and a2, a2, a1 | 
 | ; SFB64-NEXT:  .LBB0_2: | 
 | ; SFB64-NEXT:    mv a0, a2 | 
 | ; SFB64-NEXT:    ret | 
 | ; | 
 | ; VTCONDOPS64-LABEL: and_select_all_ones_i32: | 
 | ; VTCONDOPS64:       # %bb.0: | 
 | ; VTCONDOPS64-NEXT:    vt.maskcn a0, a2, a0 | 
 | ; VTCONDOPS64-NEXT:    and a1, a2, a1 | 
 | ; VTCONDOPS64-NEXT:    or a0, a1, a0 | 
 | ; VTCONDOPS64-NEXT:    ret | 
 | ; | 
 | ; ZICOND-LABEL: and_select_all_ones_i32: | 
 | ; ZICOND:       # %bb.0: | 
 | ; ZICOND-NEXT:    czero.nez a0, a2, a0 | 
 | ; ZICOND-NEXT:    and a1, a2, a1 | 
 | ; ZICOND-NEXT:    or a0, a1, a0 | 
 | ; ZICOND-NEXT:    ret | 
 | ; | 
 | ; CMV-FUSION-LABEL: and_select_all_ones_i32: | 
 | ; CMV-FUSION:       # %bb.0: | 
 | ; CMV-FUSION-NEXT:    and a1, a1, a2 | 
 | ; CMV-FUSION-NEXT:    bnez a0, .LBB0_2 | 
 | ; CMV-FUSION-NEXT:  # %bb.1: | 
 | ; CMV-FUSION-NEXT:    mv a1, a2 | 
 | ; CMV-FUSION-NEXT:  .LBB0_2: | 
 | ; CMV-FUSION-NEXT:    mv a0, a1 | 
 | ; CMV-FUSION-NEXT:    ret | 
 |   %a = select i1 %c, i32 %x, i32 -1 | 
 |   %b = and i32 %a, %y | 
 |   ret i32 %b | 
 | } | 
 |  | 
 | define signext i32 @and_select_all_ones_i32_cmp(i32 signext %x, i32 signext %y, i32 signext %z) { | 
 | ; RV32I-LABEL: and_select_all_ones_i32_cmp: | 
 | ; RV32I:       # %bb.0: | 
 | ; RV32I-NEXT:    addi a2, a2, -4 | 
 | ; RV32I-NEXT:    seqz a2, a2 | 
 | ; RV32I-NEXT:    addi a2, a2, -1 | 
 | ; RV32I-NEXT:    or a0, a2, a0 | 
 | ; RV32I-NEXT:    and a0, a0, a1 | 
 | ; RV32I-NEXT:    ret | 
 | ; | 
 | ; RV64I-LABEL: and_select_all_ones_i32_cmp: | 
 | ; RV64I:       # %bb.0: | 
 | ; RV64I-NEXT:    addi a2, a2, -4 | 
 | ; RV64I-NEXT:    seqz a2, a2 | 
 | ; RV64I-NEXT:    addi a2, a2, -1 | 
 | ; RV64I-NEXT:    or a0, a2, a0 | 
 | ; RV64I-NEXT:    and a0, a0, a1 | 
 | ; RV64I-NEXT:    ret | 
 | ; | 
 | ; SFB64-LABEL: and_select_all_ones_i32_cmp: | 
 | ; SFB64:       # %bb.0: | 
 | ; SFB64-NEXT:    li a3, 4 | 
 | ; SFB64-NEXT:    bne a2, a3, .LBB1_2 | 
 | ; SFB64-NEXT:  # %bb.1: | 
 | ; SFB64-NEXT:    and a1, a1, a0 | 
 | ; SFB64-NEXT:  .LBB1_2: | 
 | ; SFB64-NEXT:    mv a0, a1 | 
 | ; SFB64-NEXT:    ret | 
 | ; | 
 | ; VTCONDOPS64-LABEL: and_select_all_ones_i32_cmp: | 
 | ; VTCONDOPS64:       # %bb.0: | 
 | ; VTCONDOPS64-NEXT:    addi a2, a2, -4 | 
 | ; VTCONDOPS64-NEXT:    and a0, a1, a0 | 
 | ; VTCONDOPS64-NEXT:    vt.maskc a1, a1, a2 | 
 | ; VTCONDOPS64-NEXT:    or a0, a0, a1 | 
 | ; VTCONDOPS64-NEXT:    ret | 
 | ; | 
 | ; ZICOND-LABEL: and_select_all_ones_i32_cmp: | 
 | ; ZICOND:       # %bb.0: | 
 | ; ZICOND-NEXT:    addi a2, a2, -4 | 
 | ; ZICOND-NEXT:    and a0, a1, a0 | 
 | ; ZICOND-NEXT:    czero.eqz a1, a1, a2 | 
 | ; ZICOND-NEXT:    or a0, a0, a1 | 
 | ; ZICOND-NEXT:    ret | 
 | ; | 
 | ; CMV-FUSION-LABEL: and_select_all_ones_i32_cmp: | 
 | ; CMV-FUSION:       # %bb.0: | 
 | ; CMV-FUSION-NEXT:    and a0, a0, a1 | 
 | ; CMV-FUSION-NEXT:    li a3, 4 | 
 | ; CMV-FUSION-NEXT:    beq a2, a3, .LBB1_2 | 
 | ; CMV-FUSION-NEXT:  # %bb.1: | 
 | ; CMV-FUSION-NEXT:    mv a0, a1 | 
 | ; CMV-FUSION-NEXT:  .LBB1_2: | 
 | ; CMV-FUSION-NEXT:    ret | 
 |   %c = icmp eq i32 %z, 4 | 
 |   %a = select i1 %c, i32 %x, i32 -1 | 
 |   %b = and i32 %a, %y | 
 |   ret i32 %b | 
 | } | 
 |  | 
 | define signext i32 @and_select_all_ones_i32_cmp2(i32 signext %x, i32 signext %y, i32 signext %z) { | 
 | ; RV32I-LABEL: and_select_all_ones_i32_cmp2: | 
 | ; RV32I:       # %bb.0: | 
 | ; RV32I-NEXT:    slti a2, a2, 4 | 
 | ; RV32I-NEXT:    addi a2, a2, -1 | 
 | ; RV32I-NEXT:    or a0, a2, a0 | 
 | ; RV32I-NEXT:    and a0, a0, a1 | 
 | ; RV32I-NEXT:    ret | 
 | ; | 
 | ; RV64I-LABEL: and_select_all_ones_i32_cmp2: | 
 | ; RV64I:       # %bb.0: | 
 | ; RV64I-NEXT:    slti a2, a2, 4 | 
 | ; RV64I-NEXT:    addi a2, a2, -1 | 
 | ; RV64I-NEXT:    or a0, a2, a0 | 
 | ; RV64I-NEXT:    and a0, a0, a1 | 
 | ; RV64I-NEXT:    ret | 
 | ; | 
 | ; SFB64-LABEL: and_select_all_ones_i32_cmp2: | 
 | ; SFB64:       # %bb.0: | 
 | ; SFB64-NEXT:    li a3, 4 | 
 | ; SFB64-NEXT:    bge a2, a3, .LBB2_2 | 
 | ; SFB64-NEXT:  # %bb.1: | 
 | ; SFB64-NEXT:    and a1, a1, a0 | 
 | ; SFB64-NEXT:  .LBB2_2: | 
 | ; SFB64-NEXT:    mv a0, a1 | 
 | ; SFB64-NEXT:    ret | 
 | ; | 
 | ; VTCONDOPS64-LABEL: and_select_all_ones_i32_cmp2: | 
 | ; VTCONDOPS64:       # %bb.0: | 
 | ; VTCONDOPS64-NEXT:    slti a2, a2, 4 | 
 | ; VTCONDOPS64-NEXT:    and a0, a1, a0 | 
 | ; VTCONDOPS64-NEXT:    vt.maskcn a1, a1, a2 | 
 | ; VTCONDOPS64-NEXT:    or a0, a0, a1 | 
 | ; VTCONDOPS64-NEXT:    ret | 
 | ; | 
 | ; ZICOND-LABEL: and_select_all_ones_i32_cmp2: | 
 | ; ZICOND:       # %bb.0: | 
 | ; ZICOND-NEXT:    slti a2, a2, 4 | 
 | ; ZICOND-NEXT:    and a0, a1, a0 | 
 | ; ZICOND-NEXT:    czero.nez a1, a1, a2 | 
 | ; ZICOND-NEXT:    or a0, a0, a1 | 
 | ; ZICOND-NEXT:    ret | 
 | ; | 
 | ; CMV-FUSION-LABEL: and_select_all_ones_i32_cmp2: | 
 | ; CMV-FUSION:       # %bb.0: | 
 | ; CMV-FUSION-NEXT:    and a0, a0, a1 | 
 | ; CMV-FUSION-NEXT:    li a3, 4 | 
 | ; CMV-FUSION-NEXT:    blt a2, a3, .LBB2_2 | 
 | ; CMV-FUSION-NEXT:  # %bb.1: | 
 | ; CMV-FUSION-NEXT:    mv a0, a1 | 
 | ; CMV-FUSION-NEXT:  .LBB2_2: | 
 | ; CMV-FUSION-NEXT:    ret | 
 |   %c = icmp slt i32 %z, 4 | 
 |   %a = select i1 %c, i32 %x, i32 -1 | 
 |   %b = and i32 %a, %y | 
 |   ret i32 %b | 
 | } | 
 |  | 
 | define i64 @and_select_all_ones_i64(i1 zeroext %c, i64 %x, i64 %y) { | 
 | ; RV32-LABEL: and_select_all_ones_i64: | 
 | ; RV32:       # %bb.0: | 
 | ; RV32-NEXT:    neg a0, a0 | 
 | ; RV32-NEXT:    or a2, a0, a2 | 
 | ; RV32-NEXT:    or a0, a0, a1 | 
 | ; RV32-NEXT:    and a0, a3, a0 | 
 | ; RV32-NEXT:    and a1, a4, a2 | 
 | ; RV32-NEXT:    ret | 
 | ; | 
 | ; RV64I-LABEL: and_select_all_ones_i64: | 
 | ; RV64I:       # %bb.0: | 
 | ; RV64I-NEXT:    neg a0, a0 | 
 | ; RV64I-NEXT:    or a0, a0, a1 | 
 | ; RV64I-NEXT:    and a0, a2, a0 | 
 | ; RV64I-NEXT:    ret | 
 | ; | 
 | ; SFB64-LABEL: and_select_all_ones_i64: | 
 | ; SFB64:       # %bb.0: | 
 | ; SFB64-NEXT:    bnez a0, .LBB3_2 | 
 | ; SFB64-NEXT:  # %bb.1: | 
 | ; SFB64-NEXT:    and a2, a2, a1 | 
 | ; SFB64-NEXT:  .LBB3_2: | 
 | ; SFB64-NEXT:    mv a0, a2 | 
 | ; SFB64-NEXT:    ret | 
 | ; | 
 | ; VTCONDOPS64-LABEL: and_select_all_ones_i64: | 
 | ; VTCONDOPS64:       # %bb.0: | 
 | ; VTCONDOPS64-NEXT:    vt.maskc a0, a2, a0 | 
 | ; VTCONDOPS64-NEXT:    and a1, a2, a1 | 
 | ; VTCONDOPS64-NEXT:    or a0, a1, a0 | 
 | ; VTCONDOPS64-NEXT:    ret | 
 | ; | 
 | ; ZICOND64-LABEL: and_select_all_ones_i64: | 
 | ; ZICOND64:       # %bb.0: | 
 | ; ZICOND64-NEXT:    czero.eqz a0, a2, a0 | 
 | ; ZICOND64-NEXT:    and a1, a2, a1 | 
 | ; ZICOND64-NEXT:    or a0, a1, a0 | 
 | ; ZICOND64-NEXT:    ret | 
 | ; | 
 | ; CMV-FUSION-LABEL: and_select_all_ones_i64: | 
 | ; CMV-FUSION:       # %bb.0: | 
 | ; CMV-FUSION-NEXT:    and a1, a1, a2 | 
 | ; CMV-FUSION-NEXT:    beqz a0, .LBB3_2 | 
 | ; CMV-FUSION-NEXT:  # %bb.1: | 
 | ; CMV-FUSION-NEXT:    mv a1, a2 | 
 | ; CMV-FUSION-NEXT:  .LBB3_2: | 
 | ; CMV-FUSION-NEXT:    mv a0, a1 | 
 | ; CMV-FUSION-NEXT:    ret | 
 |   %a = select i1 %c, i64 -1, i64 %x | 
 |   %b = and i64 %y, %a | 
 |   ret i64 %b | 
 | } | 
 |  | 
 | define i64 @and_select_all_ones_i64_cmp(i64 %x, i64 %y, i64 %z) { | 
 | ; RV32-LABEL: and_select_all_ones_i64_cmp: | 
 | ; RV32:       # %bb.0: | 
 | ; RV32-NEXT:    xori a4, a4, 4 | 
 | ; RV32-NEXT:    or a4, a4, a5 | 
 | ; RV32-NEXT:    seqz a4, a4 | 
 | ; RV32-NEXT:    addi a4, a4, -1 | 
 | ; RV32-NEXT:    or a1, a4, a1 | 
 | ; RV32-NEXT:    or a0, a4, a0 | 
 | ; RV32-NEXT:    and a0, a0, a2 | 
 | ; RV32-NEXT:    and a1, a1, a3 | 
 | ; RV32-NEXT:    ret | 
 | ; | 
 | ; RV64I-LABEL: and_select_all_ones_i64_cmp: | 
 | ; RV64I:       # %bb.0: | 
 | ; RV64I-NEXT:    addi a2, a2, -4 | 
 | ; RV64I-NEXT:    seqz a2, a2 | 
 | ; RV64I-NEXT:    addi a2, a2, -1 | 
 | ; RV64I-NEXT:    or a0, a2, a0 | 
 | ; RV64I-NEXT:    and a0, a0, a1 | 
 | ; RV64I-NEXT:    ret | 
 | ; | 
 | ; SFB64-LABEL: and_select_all_ones_i64_cmp: | 
 | ; SFB64:       # %bb.0: | 
 | ; SFB64-NEXT:    li a3, 4 | 
 | ; SFB64-NEXT:    bne a2, a3, .LBB4_2 | 
 | ; SFB64-NEXT:  # %bb.1: | 
 | ; SFB64-NEXT:    and a1, a1, a0 | 
 | ; SFB64-NEXT:  .LBB4_2: | 
 | ; SFB64-NEXT:    mv a0, a1 | 
 | ; SFB64-NEXT:    ret | 
 | ; | 
 | ; VTCONDOPS64-LABEL: and_select_all_ones_i64_cmp: | 
 | ; VTCONDOPS64:       # %bb.0: | 
 | ; VTCONDOPS64-NEXT:    addi a2, a2, -4 | 
 | ; VTCONDOPS64-NEXT:    and a0, a1, a0 | 
 | ; VTCONDOPS64-NEXT:    vt.maskc a1, a1, a2 | 
 | ; VTCONDOPS64-NEXT:    or a0, a0, a1 | 
 | ; VTCONDOPS64-NEXT:    ret | 
 | ; | 
 | ; ZICOND64-LABEL: and_select_all_ones_i64_cmp: | 
 | ; ZICOND64:       # %bb.0: | 
 | ; ZICOND64-NEXT:    addi a2, a2, -4 | 
 | ; ZICOND64-NEXT:    and a0, a1, a0 | 
 | ; ZICOND64-NEXT:    czero.eqz a1, a1, a2 | 
 | ; ZICOND64-NEXT:    or a0, a0, a1 | 
 | ; ZICOND64-NEXT:    ret | 
 | ; | 
 | ; CMV-FUSION-LABEL: and_select_all_ones_i64_cmp: | 
 | ; CMV-FUSION:       # %bb.0: | 
 | ; CMV-FUSION-NEXT:    and a0, a0, a1 | 
 | ; CMV-FUSION-NEXT:    li a3, 4 | 
 | ; CMV-FUSION-NEXT:    beq a2, a3, .LBB4_2 | 
 | ; CMV-FUSION-NEXT:  # %bb.1: | 
 | ; CMV-FUSION-NEXT:    mv a0, a1 | 
 | ; CMV-FUSION-NEXT:  .LBB4_2: | 
 | ; CMV-FUSION-NEXT:    ret | 
 |   %c = icmp eq i64 %z, 4 | 
 |   %a = select i1 %c, i64 %x, i64 -1 | 
 |   %b = and i64 %a, %y | 
 |   ret i64 %b | 
 | } | 
 |  | 
 | define i64 @and_select_all_ones_i64_cmp2(i64 %x, i64 %y, i64 %z) { | 
 | ; RV32I-LABEL: and_select_all_ones_i64_cmp2: | 
 | ; RV32I:       # %bb.0: | 
 | ; RV32I-NEXT:    beqz a5, .LBB5_2 | 
 | ; RV32I-NEXT:  # %bb.1: | 
 | ; RV32I-NEXT:    srli a5, a5, 31 | 
 | ; RV32I-NEXT:    j .LBB5_3 | 
 | ; RV32I-NEXT:  .LBB5_2: | 
 | ; RV32I-NEXT:    sltiu a5, a4, 4 | 
 | ; RV32I-NEXT:  .LBB5_3: | 
 | ; RV32I-NEXT:    addi a5, a5, -1 | 
 | ; RV32I-NEXT:    or a1, a5, a1 | 
 | ; RV32I-NEXT:    or a0, a5, a0 | 
 | ; RV32I-NEXT:    and a0, a0, a2 | 
 | ; RV32I-NEXT:    and a1, a1, a3 | 
 | ; RV32I-NEXT:    ret | 
 | ; | 
 | ; RV64I-LABEL: and_select_all_ones_i64_cmp2: | 
 | ; RV64I:       # %bb.0: | 
 | ; RV64I-NEXT:    slti a2, a2, 4 | 
 | ; RV64I-NEXT:    addi a2, a2, -1 | 
 | ; RV64I-NEXT:    or a0, a2, a0 | 
 | ; RV64I-NEXT:    and a0, a0, a1 | 
 | ; RV64I-NEXT:    ret | 
 | ; | 
 | ; SFB64-LABEL: and_select_all_ones_i64_cmp2: | 
 | ; SFB64:       # %bb.0: | 
 | ; SFB64-NEXT:    li a3, 4 | 
 | ; SFB64-NEXT:    bge a2, a3, .LBB5_2 | 
 | ; SFB64-NEXT:  # %bb.1: | 
 | ; SFB64-NEXT:    and a1, a1, a0 | 
 | ; SFB64-NEXT:  .LBB5_2: | 
 | ; SFB64-NEXT:    mv a0, a1 | 
 | ; SFB64-NEXT:    ret | 
 | ; | 
 | ; VTCONDOPS64-LABEL: and_select_all_ones_i64_cmp2: | 
 | ; VTCONDOPS64:       # %bb.0: | 
 | ; VTCONDOPS64-NEXT:    slti a2, a2, 4 | 
 | ; VTCONDOPS64-NEXT:    and a0, a1, a0 | 
 | ; VTCONDOPS64-NEXT:    vt.maskcn a1, a1, a2 | 
 | ; VTCONDOPS64-NEXT:    or a0, a0, a1 | 
 | ; VTCONDOPS64-NEXT:    ret | 
 | ; | 
 | ; ZICOND32-LABEL: and_select_all_ones_i64_cmp2: | 
 | ; ZICOND32:       # %bb.0: | 
 | ; ZICOND32-NEXT:    srli a6, a5, 31 | 
 | ; ZICOND32-NEXT:    sltiu a4, a4, 4 | 
 | ; ZICOND32-NEXT:    czero.eqz a6, a6, a5 | 
 | ; ZICOND32-NEXT:    czero.nez a4, a4, a5 | 
 | ; ZICOND32-NEXT:    or a4, a4, a6 | 
 | ; ZICOND32-NEXT:    addi a4, a4, -1 | 
 | ; ZICOND32-NEXT:    or a1, a4, a1 | 
 | ; ZICOND32-NEXT:    or a0, a4, a0 | 
 | ; ZICOND32-NEXT:    and a0, a0, a2 | 
 | ; ZICOND32-NEXT:    and a1, a1, a3 | 
 | ; ZICOND32-NEXT:    ret | 
 | ; | 
 | ; ZICOND64-LABEL: and_select_all_ones_i64_cmp2: | 
 | ; ZICOND64:       # %bb.0: | 
 | ; ZICOND64-NEXT:    slti a2, a2, 4 | 
 | ; ZICOND64-NEXT:    and a0, a1, a0 | 
 | ; ZICOND64-NEXT:    czero.nez a1, a1, a2 | 
 | ; ZICOND64-NEXT:    or a0, a0, a1 | 
 | ; ZICOND64-NEXT:    ret | 
 | ; | 
 | ; CMV-FUSION-LABEL: and_select_all_ones_i64_cmp2: | 
 | ; CMV-FUSION:       # %bb.0: | 
 | ; CMV-FUSION-NEXT:    and a0, a0, a1 | 
 | ; CMV-FUSION-NEXT:    li a3, 4 | 
 | ; CMV-FUSION-NEXT:    blt a2, a3, .LBB5_2 | 
 | ; CMV-FUSION-NEXT:  # %bb.1: | 
 | ; CMV-FUSION-NEXT:    mv a0, a1 | 
 | ; CMV-FUSION-NEXT:  .LBB5_2: | 
 | ; CMV-FUSION-NEXT:    ret | 
 |   %c = icmp slt i64 %z, 4 | 
 |   %a = select i1 %c, i64 %x, i64 -1 | 
 |   %b = and i64 %a, %y | 
 |   ret i64 %b | 
 | } | 
 |  | 
 | define signext i32 @or_select_all_zeros_i32(i1 zeroext %c, i32 signext %x, i32 signext %y) { | 
 | ; RV32I-LABEL: or_select_all_zeros_i32: | 
 | ; RV32I:       # %bb.0: | 
 | ; RV32I-NEXT:    neg a0, a0 | 
 | ; RV32I-NEXT:    and a0, a0, a1 | 
 | ; RV32I-NEXT:    or a0, a2, a0 | 
 | ; RV32I-NEXT:    ret | 
 | ; | 
 | ; RV64I-LABEL: or_select_all_zeros_i32: | 
 | ; RV64I:       # %bb.0: | 
 | ; RV64I-NEXT:    neg a0, a0 | 
 | ; RV64I-NEXT:    and a0, a0, a1 | 
 | ; RV64I-NEXT:    or a0, a2, a0 | 
 | ; RV64I-NEXT:    ret | 
 | ; | 
 | ; SFB64-LABEL: or_select_all_zeros_i32: | 
 | ; SFB64:       # %bb.0: | 
 | ; SFB64-NEXT:    beqz a0, .LBB6_2 | 
 | ; SFB64-NEXT:  # %bb.1: | 
 | ; SFB64-NEXT:    or a2, a2, a1 | 
 | ; SFB64-NEXT:  .LBB6_2: | 
 | ; SFB64-NEXT:    mv a0, a2 | 
 | ; SFB64-NEXT:    ret | 
 | ; | 
 | ; VTCONDOPS64-LABEL: or_select_all_zeros_i32: | 
 | ; VTCONDOPS64:       # %bb.0: | 
 | ; VTCONDOPS64-NEXT:    vt.maskc a0, a1, a0 | 
 | ; VTCONDOPS64-NEXT:    or a0, a2, a0 | 
 | ; VTCONDOPS64-NEXT:    ret | 
 | ; | 
 | ; ZICOND-LABEL: or_select_all_zeros_i32: | 
 | ; ZICOND:       # %bb.0: | 
 | ; ZICOND-NEXT:    czero.eqz a0, a1, a0 | 
 | ; ZICOND-NEXT:    or a0, a2, a0 | 
 | ; ZICOND-NEXT:    ret | 
 | ; | 
 | ; CMV-FUSION-LABEL: or_select_all_zeros_i32: | 
 | ; CMV-FUSION:       # %bb.0: | 
 | ; CMV-FUSION-NEXT:    or a1, a1, a2 | 
 | ; CMV-FUSION-NEXT:    bnez a0, .LBB6_2 | 
 | ; CMV-FUSION-NEXT:  # %bb.1: | 
 | ; CMV-FUSION-NEXT:    mv a1, a2 | 
 | ; CMV-FUSION-NEXT:  .LBB6_2: | 
 | ; CMV-FUSION-NEXT:    mv a0, a1 | 
 | ; CMV-FUSION-NEXT:    ret | 
 |   %a = select i1 %c, i32 %x, i32 0 | 
 |   %b = or i32 %y, %a | 
 |   ret i32 %b | 
 | } | 
 |  | 
 | define i64 @or_select_all_zeros_i64(i1 zeroext %c, i64 %x, i64 %y) { | 
 | ; RV32I-LABEL: or_select_all_zeros_i64: | 
 | ; RV32I:       # %bb.0: | 
 | ; RV32I-NEXT:    addi a0, a0, -1 | 
 | ; RV32I-NEXT:    and a2, a0, a2 | 
 | ; RV32I-NEXT:    and a0, a0, a1 | 
 | ; RV32I-NEXT:    or a0, a0, a3 | 
 | ; RV32I-NEXT:    or a1, a2, a4 | 
 | ; RV32I-NEXT:    ret | 
 | ; | 
 | ; RV64I-LABEL: or_select_all_zeros_i64: | 
 | ; RV64I:       # %bb.0: | 
 | ; RV64I-NEXT:    addi a0, a0, -1 | 
 | ; RV64I-NEXT:    and a0, a0, a1 | 
 | ; RV64I-NEXT:    or a0, a0, a2 | 
 | ; RV64I-NEXT:    ret | 
 | ; | 
 | ; SFB64-LABEL: or_select_all_zeros_i64: | 
 | ; SFB64:       # %bb.0: | 
 | ; SFB64-NEXT:    bnez a0, .LBB7_2 | 
 | ; SFB64-NEXT:  # %bb.1: | 
 | ; SFB64-NEXT:    or a2, a2, a1 | 
 | ; SFB64-NEXT:  .LBB7_2: | 
 | ; SFB64-NEXT:    mv a0, a2 | 
 | ; SFB64-NEXT:    ret | 
 | ; | 
 | ; VTCONDOPS64-LABEL: or_select_all_zeros_i64: | 
 | ; VTCONDOPS64:       # %bb.0: | 
 | ; VTCONDOPS64-NEXT:    vt.maskcn a0, a1, a0 | 
 | ; VTCONDOPS64-NEXT:    or a0, a0, a2 | 
 | ; VTCONDOPS64-NEXT:    ret | 
 | ; | 
 | ; ZICOND32-LABEL: or_select_all_zeros_i64: | 
 | ; ZICOND32:       # %bb.0: | 
 | ; ZICOND32-NEXT:    czero.nez a2, a2, a0 | 
 | ; ZICOND32-NEXT:    czero.nez a0, a1, a0 | 
 | ; ZICOND32-NEXT:    or a0, a0, a3 | 
 | ; ZICOND32-NEXT:    or a1, a2, a4 | 
 | ; ZICOND32-NEXT:    ret | 
 | ; | 
 | ; ZICOND64-LABEL: or_select_all_zeros_i64: | 
 | ; ZICOND64:       # %bb.0: | 
 | ; ZICOND64-NEXT:    czero.nez a0, a1, a0 | 
 | ; ZICOND64-NEXT:    or a0, a0, a2 | 
 | ; ZICOND64-NEXT:    ret | 
 | ; | 
 | ; CMV-FUSION-LABEL: or_select_all_zeros_i64: | 
 | ; CMV-FUSION:       # %bb.0: | 
 | ; CMV-FUSION-NEXT:    or a1, a1, a2 | 
 | ; CMV-FUSION-NEXT:    beqz a0, .LBB7_2 | 
 | ; CMV-FUSION-NEXT:  # %bb.1: | 
 | ; CMV-FUSION-NEXT:    mv a1, a2 | 
 | ; CMV-FUSION-NEXT:  .LBB7_2: | 
 | ; CMV-FUSION-NEXT:    mv a0, a1 | 
 | ; CMV-FUSION-NEXT:    ret | 
 |   %a = select i1 %c, i64 0, i64 %x | 
 |   %b = or i64 %a, %y | 
 |   ret i64 %b | 
 | } | 
 |  | 
 | define signext i32 @xor_select_all_zeros_i32(i1 zeroext %c, i32 signext %x, i32 signext %y) { | 
 | ; RV32I-LABEL: xor_select_all_zeros_i32: | 
 | ; RV32I:       # %bb.0: | 
 | ; RV32I-NEXT:    addi a0, a0, -1 | 
 | ; RV32I-NEXT:    and a0, a0, a1 | 
 | ; RV32I-NEXT:    xor a0, a2, a0 | 
 | ; RV32I-NEXT:    ret | 
 | ; | 
 | ; RV64I-LABEL: xor_select_all_zeros_i32: | 
 | ; RV64I:       # %bb.0: | 
 | ; RV64I-NEXT:    addi a0, a0, -1 | 
 | ; RV64I-NEXT:    and a0, a0, a1 | 
 | ; RV64I-NEXT:    xor a0, a2, a0 | 
 | ; RV64I-NEXT:    ret | 
 | ; | 
 | ; SFB64-LABEL: xor_select_all_zeros_i32: | 
 | ; SFB64:       # %bb.0: | 
 | ; SFB64-NEXT:    bnez a0, .LBB8_2 | 
 | ; SFB64-NEXT:  # %bb.1: | 
 | ; SFB64-NEXT:    xor a2, a2, a1 | 
 | ; SFB64-NEXT:  .LBB8_2: | 
 | ; SFB64-NEXT:    mv a0, a2 | 
 | ; SFB64-NEXT:    ret | 
 | ; | 
 | ; VTCONDOPS64-LABEL: xor_select_all_zeros_i32: | 
 | ; VTCONDOPS64:       # %bb.0: | 
 | ; VTCONDOPS64-NEXT:    vt.maskcn a0, a1, a0 | 
 | ; VTCONDOPS64-NEXT:    xor a0, a2, a0 | 
 | ; VTCONDOPS64-NEXT:    ret | 
 | ; | 
 | ; ZICOND-LABEL: xor_select_all_zeros_i32: | 
 | ; ZICOND:       # %bb.0: | 
 | ; ZICOND-NEXT:    czero.nez a0, a1, a0 | 
 | ; ZICOND-NEXT:    xor a0, a2, a0 | 
 | ; ZICOND-NEXT:    ret | 
 | ; | 
 | ; CMV-FUSION-LABEL: xor_select_all_zeros_i32: | 
 | ; CMV-FUSION:       # %bb.0: | 
 | ; CMV-FUSION-NEXT:    xor a1, a1, a2 | 
 | ; CMV-FUSION-NEXT:    beqz a0, .LBB8_2 | 
 | ; CMV-FUSION-NEXT:  # %bb.1: | 
 | ; CMV-FUSION-NEXT:    mv a1, a2 | 
 | ; CMV-FUSION-NEXT:  .LBB8_2: | 
 | ; CMV-FUSION-NEXT:    mv a0, a1 | 
 | ; CMV-FUSION-NEXT:    ret | 
 |   %a = select i1 %c, i32 0, i32 %x | 
 |   %b = xor i32 %y, %a | 
 |   ret i32 %b | 
 | } | 
 |  | 
 | define i64 @xor_select_all_zeros_i64(i1 zeroext %c, i64 %x, i64 %y) { | 
 | ; RV32I-LABEL: xor_select_all_zeros_i64: | 
 | ; RV32I:       # %bb.0: | 
 | ; RV32I-NEXT:    neg a0, a0 | 
 | ; RV32I-NEXT:    and a2, a0, a2 | 
 | ; RV32I-NEXT:    and a0, a0, a1 | 
 | ; RV32I-NEXT:    xor a0, a0, a3 | 
 | ; RV32I-NEXT:    xor a1, a2, a4 | 
 | ; RV32I-NEXT:    ret | 
 | ; | 
 | ; RV64I-LABEL: xor_select_all_zeros_i64: | 
 | ; RV64I:       # %bb.0: | 
 | ; RV64I-NEXT:    neg a0, a0 | 
 | ; RV64I-NEXT:    and a0, a0, a1 | 
 | ; RV64I-NEXT:    xor a0, a0, a2 | 
 | ; RV64I-NEXT:    ret | 
 | ; | 
 | ; SFB64-LABEL: xor_select_all_zeros_i64: | 
 | ; SFB64:       # %bb.0: | 
 | ; SFB64-NEXT:    beqz a0, .LBB9_2 | 
 | ; SFB64-NEXT:  # %bb.1: | 
 | ; SFB64-NEXT:    xor a2, a2, a1 | 
 | ; SFB64-NEXT:  .LBB9_2: | 
 | ; SFB64-NEXT:    mv a0, a2 | 
 | ; SFB64-NEXT:    ret | 
 | ; | 
 | ; VTCONDOPS64-LABEL: xor_select_all_zeros_i64: | 
 | ; VTCONDOPS64:       # %bb.0: | 
 | ; VTCONDOPS64-NEXT:    vt.maskc a0, a1, a0 | 
 | ; VTCONDOPS64-NEXT:    xor a0, a0, a2 | 
 | ; VTCONDOPS64-NEXT:    ret | 
 | ; | 
 | ; ZICOND32-LABEL: xor_select_all_zeros_i64: | 
 | ; ZICOND32:       # %bb.0: | 
 | ; ZICOND32-NEXT:    czero.eqz a2, a2, a0 | 
 | ; ZICOND32-NEXT:    czero.eqz a0, a1, a0 | 
 | ; ZICOND32-NEXT:    xor a0, a0, a3 | 
 | ; ZICOND32-NEXT:    xor a1, a2, a4 | 
 | ; ZICOND32-NEXT:    ret | 
 | ; | 
 | ; ZICOND64-LABEL: xor_select_all_zeros_i64: | 
 | ; ZICOND64:       # %bb.0: | 
 | ; ZICOND64-NEXT:    czero.eqz a0, a1, a0 | 
 | ; ZICOND64-NEXT:    xor a0, a0, a2 | 
 | ; ZICOND64-NEXT:    ret | 
 | ; | 
 | ; CMV-FUSION-LABEL: xor_select_all_zeros_i64: | 
 | ; CMV-FUSION:       # %bb.0: | 
 | ; CMV-FUSION-NEXT:    xor a1, a1, a2 | 
 | ; CMV-FUSION-NEXT:    bnez a0, .LBB9_2 | 
 | ; CMV-FUSION-NEXT:  # %bb.1: | 
 | ; CMV-FUSION-NEXT:    mv a1, a2 | 
 | ; CMV-FUSION-NEXT:  .LBB9_2: | 
 | ; CMV-FUSION-NEXT:    mv a0, a1 | 
 | ; CMV-FUSION-NEXT:    ret | 
 |   %a = select i1 %c, i64 %x, i64 0 | 
 |   %b = xor i64 %a, %y | 
 |   ret i64 %b | 
 | } | 
 |  | 
 | define signext i32 @add_select_all_zeros_i32(i1 zeroext %c, i32 signext %x, i32 signext %y) { | 
 | ; RV32I-LABEL: add_select_all_zeros_i32: | 
 | ; RV32I:       # %bb.0: | 
 | ; RV32I-NEXT:    addi a0, a0, -1 | 
 | ; RV32I-NEXT:    and a0, a0, a1 | 
 | ; RV32I-NEXT:    add a0, a2, a0 | 
 | ; RV32I-NEXT:    ret | 
 | ; | 
 | ; RV64I-LABEL: add_select_all_zeros_i32: | 
 | ; RV64I:       # %bb.0: | 
 | ; RV64I-NEXT:    addi a0, a0, -1 | 
 | ; RV64I-NEXT:    and a0, a0, a1 | 
 | ; RV64I-NEXT:    addw a0, a2, a0 | 
 | ; RV64I-NEXT:    ret | 
 | ; | 
 | ; SFB64-LABEL: add_select_all_zeros_i32: | 
 | ; SFB64:       # %bb.0: | 
 | ; SFB64-NEXT:    bnez a0, .LBB10_2 | 
 | ; SFB64-NEXT:  # %bb.1: | 
 | ; SFB64-NEXT:    addw a2, a2, a1 | 
 | ; SFB64-NEXT:  .LBB10_2: | 
 | ; SFB64-NEXT:    mv a0, a2 | 
 | ; SFB64-NEXT:    ret | 
 | ; | 
 | ; VTCONDOPS64-LABEL: add_select_all_zeros_i32: | 
 | ; VTCONDOPS64:       # %bb.0: | 
 | ; VTCONDOPS64-NEXT:    vt.maskcn a0, a1, a0 | 
 | ; VTCONDOPS64-NEXT:    addw a0, a2, a0 | 
 | ; VTCONDOPS64-NEXT:    ret | 
 | ; | 
 | ; ZICOND32-LABEL: add_select_all_zeros_i32: | 
 | ; ZICOND32:       # %bb.0: | 
 | ; ZICOND32-NEXT:    czero.nez a0, a1, a0 | 
 | ; ZICOND32-NEXT:    add a0, a2, a0 | 
 | ; ZICOND32-NEXT:    ret | 
 | ; | 
 | ; ZICOND64-LABEL: add_select_all_zeros_i32: | 
 | ; ZICOND64:       # %bb.0: | 
 | ; ZICOND64-NEXT:    czero.nez a0, a1, a0 | 
 | ; ZICOND64-NEXT:    addw a0, a2, a0 | 
 | ; ZICOND64-NEXT:    ret | 
 | ; | 
 | ; CMV-FUSION-LABEL: add_select_all_zeros_i32: | 
 | ; CMV-FUSION:       # %bb.0: | 
 | ; CMV-FUSION-NEXT:    addw a1, a1, a2 | 
 | ; CMV-FUSION-NEXT:    beqz a0, .LBB10_2 | 
 | ; CMV-FUSION-NEXT:  # %bb.1: | 
 | ; CMV-FUSION-NEXT:    mv a1, a2 | 
 | ; CMV-FUSION-NEXT:  .LBB10_2: | 
 | ; CMV-FUSION-NEXT:    mv a0, a1 | 
 | ; CMV-FUSION-NEXT:    ret | 
 |   %a = select i1 %c, i32 0, i32 %x | 
 |   %b = add i32 %y, %a | 
 |   ret i32 %b | 
 | } | 
 |  | 
 | define i64 @add_select_all_zeros_i64(i1 zeroext %c, i64 %x, i64 %y) { | 
 | ; RV32I-LABEL: add_select_all_zeros_i64: | 
 | ; RV32I:       # %bb.0: | 
 | ; RV32I-NEXT:    neg a0, a0 | 
 | ; RV32I-NEXT:    and a2, a0, a2 | 
 | ; RV32I-NEXT:    and a1, a0, a1 | 
 | ; RV32I-NEXT:    add a0, a1, a3 | 
 | ; RV32I-NEXT:    sltu a1, a0, a1 | 
 | ; RV32I-NEXT:    add a2, a2, a4 | 
 | ; RV32I-NEXT:    add a1, a2, a1 | 
 | ; RV32I-NEXT:    ret | 
 | ; | 
 | ; RV64I-LABEL: add_select_all_zeros_i64: | 
 | ; RV64I:       # %bb.0: | 
 | ; RV64I-NEXT:    neg a0, a0 | 
 | ; RV64I-NEXT:    and a0, a0, a1 | 
 | ; RV64I-NEXT:    add a0, a0, a2 | 
 | ; RV64I-NEXT:    ret | 
 | ; | 
 | ; SFB64-LABEL: add_select_all_zeros_i64: | 
 | ; SFB64:       # %bb.0: | 
 | ; SFB64-NEXT:    beqz a0, .LBB11_2 | 
 | ; SFB64-NEXT:  # %bb.1: | 
 | ; SFB64-NEXT:    add a2, a2, a1 | 
 | ; SFB64-NEXT:  .LBB11_2: | 
 | ; SFB64-NEXT:    mv a0, a2 | 
 | ; SFB64-NEXT:    ret | 
 | ; | 
 | ; VTCONDOPS64-LABEL: add_select_all_zeros_i64: | 
 | ; VTCONDOPS64:       # %bb.0: | 
 | ; VTCONDOPS64-NEXT:    vt.maskc a0, a1, a0 | 
 | ; VTCONDOPS64-NEXT:    add a0, a0, a2 | 
 | ; VTCONDOPS64-NEXT:    ret | 
 | ; | 
 | ; ZICOND32-LABEL: add_select_all_zeros_i64: | 
 | ; ZICOND32:       # %bb.0: | 
 | ; ZICOND32-NEXT:    czero.eqz a2, a2, a0 | 
 | ; ZICOND32-NEXT:    czero.eqz a1, a1, a0 | 
 | ; ZICOND32-NEXT:    add a0, a1, a3 | 
 | ; ZICOND32-NEXT:    sltu a1, a0, a1 | 
 | ; ZICOND32-NEXT:    add a2, a2, a4 | 
 | ; ZICOND32-NEXT:    add a1, a2, a1 | 
 | ; ZICOND32-NEXT:    ret | 
 | ; | 
 | ; ZICOND64-LABEL: add_select_all_zeros_i64: | 
 | ; ZICOND64:       # %bb.0: | 
 | ; ZICOND64-NEXT:    czero.eqz a0, a1, a0 | 
 | ; ZICOND64-NEXT:    add a0, a0, a2 | 
 | ; ZICOND64-NEXT:    ret | 
 | ; | 
 | ; CMV-FUSION-LABEL: add_select_all_zeros_i64: | 
 | ; CMV-FUSION:       # %bb.0: | 
 | ; CMV-FUSION-NEXT:    add a1, a1, a2 | 
 | ; CMV-FUSION-NEXT:    bnez a0, .LBB11_2 | 
 | ; CMV-FUSION-NEXT:  # %bb.1: | 
 | ; CMV-FUSION-NEXT:    mv a1, a2 | 
 | ; CMV-FUSION-NEXT:  .LBB11_2: | 
 | ; CMV-FUSION-NEXT:    mv a0, a1 | 
 | ; CMV-FUSION-NEXT:    ret | 
 |   %a = select i1 %c, i64 %x, i64 0 | 
 |   %b = add i64 %a, %y | 
 |   ret i64 %b | 
 | } | 
 |  | 
 | define signext i32 @sub_select_all_zeros_i32(i1 zeroext %c, i32 signext %x, i32 signext %y) { | 
 | ; RV32I-LABEL: sub_select_all_zeros_i32: | 
 | ; RV32I:       # %bb.0: | 
 | ; RV32I-NEXT:    addi a0, a0, -1 | 
 | ; RV32I-NEXT:    and a0, a0, a1 | 
 | ; RV32I-NEXT:    sub a0, a2, a0 | 
 | ; RV32I-NEXT:    ret | 
 | ; | 
 | ; RV64I-LABEL: sub_select_all_zeros_i32: | 
 | ; RV64I:       # %bb.0: | 
 | ; RV64I-NEXT:    addi a0, a0, -1 | 
 | ; RV64I-NEXT:    and a0, a0, a1 | 
 | ; RV64I-NEXT:    subw a0, a2, a0 | 
 | ; RV64I-NEXT:    ret | 
 | ; | 
 | ; SFB64-LABEL: sub_select_all_zeros_i32: | 
 | ; SFB64:       # %bb.0: | 
 | ; SFB64-NEXT:    bnez a0, .LBB12_2 | 
 | ; SFB64-NEXT:  # %bb.1: | 
 | ; SFB64-NEXT:    subw a2, a2, a1 | 
 | ; SFB64-NEXT:  .LBB12_2: | 
 | ; SFB64-NEXT:    mv a0, a2 | 
 | ; SFB64-NEXT:    ret | 
 | ; | 
 | ; VTCONDOPS64-LABEL: sub_select_all_zeros_i32: | 
 | ; VTCONDOPS64:       # %bb.0: | 
 | ; VTCONDOPS64-NEXT:    vt.maskcn a0, a1, a0 | 
 | ; VTCONDOPS64-NEXT:    subw a0, a2, a0 | 
 | ; VTCONDOPS64-NEXT:    ret | 
 | ; | 
 | ; ZICOND32-LABEL: sub_select_all_zeros_i32: | 
 | ; ZICOND32:       # %bb.0: | 
 | ; ZICOND32-NEXT:    czero.nez a0, a1, a0 | 
 | ; ZICOND32-NEXT:    sub a0, a2, a0 | 
 | ; ZICOND32-NEXT:    ret | 
 | ; | 
 | ; ZICOND64-LABEL: sub_select_all_zeros_i32: | 
 | ; ZICOND64:       # %bb.0: | 
 | ; ZICOND64-NEXT:    czero.nez a0, a1, a0 | 
 | ; ZICOND64-NEXT:    subw a0, a2, a0 | 
 | ; ZICOND64-NEXT:    ret | 
 | ; | 
 | ; CMV-FUSION-LABEL: sub_select_all_zeros_i32: | 
 | ; CMV-FUSION:       # %bb.0: | 
 | ; CMV-FUSION-NEXT:    subw a1, a2, a1 | 
 | ; CMV-FUSION-NEXT:    beqz a0, .LBB12_2 | 
 | ; CMV-FUSION-NEXT:  # %bb.1: | 
 | ; CMV-FUSION-NEXT:    mv a1, a2 | 
 | ; CMV-FUSION-NEXT:  .LBB12_2: | 
 | ; CMV-FUSION-NEXT:    mv a0, a1 | 
 | ; CMV-FUSION-NEXT:    ret | 
 |   %a = select i1 %c, i32 0, i32 %x | 
 |   %b = sub i32 %y, %a | 
 |   ret i32 %b | 
 | } | 
 |  | 
 | define i64 @sub_select_all_zeros_i64(i1 zeroext %c, i64 %x, i64 %y) { | 
 | ; RV32I-LABEL: sub_select_all_zeros_i64: | 
 | ; RV32I:       # %bb.0: | 
 | ; RV32I-NEXT:    neg a0, a0 | 
 | ; RV32I-NEXT:    and a2, a0, a2 | 
 | ; RV32I-NEXT:    and a0, a0, a1 | 
 | ; RV32I-NEXT:    sltu a1, a3, a0 | 
 | ; RV32I-NEXT:    sub a4, a4, a2 | 
 | ; RV32I-NEXT:    sub a1, a4, a1 | 
 | ; RV32I-NEXT:    sub a0, a3, a0 | 
 | ; RV32I-NEXT:    ret | 
 | ; | 
 | ; RV64I-LABEL: sub_select_all_zeros_i64: | 
 | ; RV64I:       # %bb.0: | 
 | ; RV64I-NEXT:    neg a0, a0 | 
 | ; RV64I-NEXT:    and a0, a0, a1 | 
 | ; RV64I-NEXT:    sub a0, a2, a0 | 
 | ; RV64I-NEXT:    ret | 
 | ; | 
 | ; SFB64-LABEL: sub_select_all_zeros_i64: | 
 | ; SFB64:       # %bb.0: | 
 | ; SFB64-NEXT:    beqz a0, .LBB13_2 | 
 | ; SFB64-NEXT:  # %bb.1: | 
 | ; SFB64-NEXT:    sub a2, a2, a1 | 
 | ; SFB64-NEXT:  .LBB13_2: | 
 | ; SFB64-NEXT:    mv a0, a2 | 
 | ; SFB64-NEXT:    ret | 
 | ; | 
 | ; VTCONDOPS64-LABEL: sub_select_all_zeros_i64: | 
 | ; VTCONDOPS64:       # %bb.0: | 
 | ; VTCONDOPS64-NEXT:    vt.maskc a0, a1, a0 | 
 | ; VTCONDOPS64-NEXT:    sub a0, a2, a0 | 
 | ; VTCONDOPS64-NEXT:    ret | 
 | ; | 
 | ; ZICOND32-LABEL: sub_select_all_zeros_i64: | 
 | ; ZICOND32:       # %bb.0: | 
 | ; ZICOND32-NEXT:    czero.eqz a2, a2, a0 | 
 | ; ZICOND32-NEXT:    czero.eqz a0, a1, a0 | 
 | ; ZICOND32-NEXT:    sltu a1, a3, a0 | 
 | ; ZICOND32-NEXT:    sub a4, a4, a2 | 
 | ; ZICOND32-NEXT:    sub a1, a4, a1 | 
 | ; ZICOND32-NEXT:    sub a0, a3, a0 | 
 | ; ZICOND32-NEXT:    ret | 
 | ; | 
 | ; ZICOND64-LABEL: sub_select_all_zeros_i64: | 
 | ; ZICOND64:       # %bb.0: | 
 | ; ZICOND64-NEXT:    czero.eqz a0, a1, a0 | 
 | ; ZICOND64-NEXT:    sub a0, a2, a0 | 
 | ; ZICOND64-NEXT:    ret | 
 | ; | 
 | ; CMV-FUSION-LABEL: sub_select_all_zeros_i64: | 
 | ; CMV-FUSION:       # %bb.0: | 
 | ; CMV-FUSION-NEXT:    sub a1, a2, a1 | 
 | ; CMV-FUSION-NEXT:    bnez a0, .LBB13_2 | 
 | ; CMV-FUSION-NEXT:  # %bb.1: | 
 | ; CMV-FUSION-NEXT:    mv a1, a2 | 
 | ; CMV-FUSION-NEXT:  .LBB13_2: | 
 | ; CMV-FUSION-NEXT:    mv a0, a1 | 
 | ; CMV-FUSION-NEXT:    ret | 
 |   %a = select i1 %c, i64 %x, i64 0 | 
 |   %b = sub i64 %y, %a | 
 |   ret i64 %b | 
 | } |