bswap-ctlz-cttz-ctpop.ll
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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
declare i16 @llvm.bswap.i16(i16)
declare i32 @llvm.bswap.i32(i32)
declare i64 @llvm.bswap.i64(i64)
declare i8 @llvm.cttz.i8(i8, i1)
declare i16 @llvm.cttz.i16(i16, i1)
declare i32 @llvm.cttz.i32(i32, i1)
declare i64 @llvm.cttz.i64(i64, i1)
declare i32 @llvm.ctlz.i32(i32, i1)
declare i32 @llvm.ctpop.i32(i32)
define i16 @test_bswap_i16(i16 %a) nounwind {
; RV32I-LABEL: test_bswap_i16:
; RV32I: # %bb.0:
; RV32I-NEXT: slli a1, a0, 8
; RV32I-NEXT: lui a2, 4080
; RV32I-NEXT: and a1, a1, a2
; RV32I-NEXT: slli a0, a0, 24
; RV32I-NEXT: or a0, a0, a1
; RV32I-NEXT: srli a0, a0, 16
; RV32I-NEXT: ret
%tmp = call i16 @llvm.bswap.i16(i16 %a)
ret i16 %tmp
}
define i32 @test_bswap_i32(i32 %a) nounwind {
; RV32I-LABEL: test_bswap_i32:
; RV32I: # %bb.0:
; RV32I-NEXT: srli a1, a0, 8
; RV32I-NEXT: lui a2, 16
; RV32I-NEXT: addi a2, a2, -256
; RV32I-NEXT: and a1, a1, a2
; RV32I-NEXT: srli a2, a0, 24
; RV32I-NEXT: or a1, a1, a2
; RV32I-NEXT: slli a2, a0, 8
; RV32I-NEXT: lui a3, 4080
; RV32I-NEXT: and a2, a2, a3
; RV32I-NEXT: slli a0, a0, 24
; RV32I-NEXT: or a0, a0, a2
; RV32I-NEXT: or a0, a0, a1
; RV32I-NEXT: ret
%tmp = call i32 @llvm.bswap.i32(i32 %a)
ret i32 %tmp
}
define i64 @test_bswap_i64(i64 %a) nounwind {
; RV32I-LABEL: test_bswap_i64:
; RV32I: # %bb.0:
; RV32I-NEXT: srli a2, a1, 8
; RV32I-NEXT: lui a3, 16
; RV32I-NEXT: addi a3, a3, -256
; RV32I-NEXT: and a2, a2, a3
; RV32I-NEXT: srli a4, a1, 24
; RV32I-NEXT: or a2, a2, a4
; RV32I-NEXT: slli a4, a1, 8
; RV32I-NEXT: lui a5, 4080
; RV32I-NEXT: and a4, a4, a5
; RV32I-NEXT: slli a1, a1, 24
; RV32I-NEXT: or a1, a1, a4
; RV32I-NEXT: or a2, a1, a2
; RV32I-NEXT: srli a1, a0, 8
; RV32I-NEXT: and a1, a1, a3
; RV32I-NEXT: srli a3, a0, 24
; RV32I-NEXT: or a1, a1, a3
; RV32I-NEXT: slli a3, a0, 8
; RV32I-NEXT: and a3, a3, a5
; RV32I-NEXT: slli a0, a0, 24
; RV32I-NEXT: or a0, a0, a3
; RV32I-NEXT: or a1, a0, a1
; RV32I-NEXT: mv a0, a2
; RV32I-NEXT: ret
%tmp = call i64 @llvm.bswap.i64(i64 %a)
ret i64 %tmp
}
define i8 @test_cttz_i8(i8 %a) nounwind {
; RV32I-LABEL: test_cttz_i8:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: andi a1, a0, 255
; RV32I-NEXT: beqz a1, .LBB3_2
; RV32I-NEXT: # %bb.1: # %cond.false
; RV32I-NEXT: addi a1, a0, -1
; RV32I-NEXT: not a0, a0
; RV32I-NEXT: and a0, a0, a1
; RV32I-NEXT: srli a1, a0, 1
; RV32I-NEXT: lui a2, 349525
; RV32I-NEXT: addi a2, a2, 1365
; RV32I-NEXT: and a1, a1, a2
; RV32I-NEXT: sub a0, a0, a1
; RV32I-NEXT: lui a1, 209715
; RV32I-NEXT: addi a1, a1, 819
; RV32I-NEXT: and a2, a0, a1
; RV32I-NEXT: srli a0, a0, 2
; RV32I-NEXT: and a0, a0, a1
; RV32I-NEXT: add a0, a2, a0
; RV32I-NEXT: srli a1, a0, 4
; RV32I-NEXT: add a0, a0, a1
; RV32I-NEXT: lui a1, 61681
; RV32I-NEXT: addi a1, a1, -241
; RV32I-NEXT: and a0, a0, a1
; RV32I-NEXT: lui a1, 4112
; RV32I-NEXT: addi a1, a1, 257
; RV32I-NEXT: call __mulsi3
; RV32I-NEXT: srli a0, a0, 24
; RV32I-NEXT: j .LBB3_3
; RV32I-NEXT: .LBB3_2:
; RV32I-NEXT: addi a0, zero, 8
; RV32I-NEXT: .LBB3_3: # %cond.end
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
%tmp = call i8 @llvm.cttz.i8(i8 %a, i1 false)
ret i8 %tmp
}
define i16 @test_cttz_i16(i16 %a) nounwind {
; RV32I-LABEL: test_cttz_i16:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: lui a1, 16
; RV32I-NEXT: addi a1, a1, -1
; RV32I-NEXT: and a1, a0, a1
; RV32I-NEXT: beqz a1, .LBB4_2
; RV32I-NEXT: # %bb.1: # %cond.false
; RV32I-NEXT: addi a1, a0, -1
; RV32I-NEXT: not a0, a0
; RV32I-NEXT: and a0, a0, a1
; RV32I-NEXT: srli a1, a0, 1
; RV32I-NEXT: lui a2, 349525
; RV32I-NEXT: addi a2, a2, 1365
; RV32I-NEXT: and a1, a1, a2
; RV32I-NEXT: sub a0, a0, a1
; RV32I-NEXT: lui a1, 209715
; RV32I-NEXT: addi a1, a1, 819
; RV32I-NEXT: and a2, a0, a1
; RV32I-NEXT: srli a0, a0, 2
; RV32I-NEXT: and a0, a0, a1
; RV32I-NEXT: add a0, a2, a0
; RV32I-NEXT: srli a1, a0, 4
; RV32I-NEXT: add a0, a0, a1
; RV32I-NEXT: lui a1, 61681
; RV32I-NEXT: addi a1, a1, -241
; RV32I-NEXT: and a0, a0, a1
; RV32I-NEXT: lui a1, 4112
; RV32I-NEXT: addi a1, a1, 257
; RV32I-NEXT: call __mulsi3
; RV32I-NEXT: srli a0, a0, 24
; RV32I-NEXT: j .LBB4_3
; RV32I-NEXT: .LBB4_2:
; RV32I-NEXT: addi a0, zero, 16
; RV32I-NEXT: .LBB4_3: # %cond.end
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
%tmp = call i16 @llvm.cttz.i16(i16 %a, i1 false)
ret i16 %tmp
}
define i32 @test_cttz_i32(i32 %a) nounwind {
; RV32I-LABEL: test_cttz_i32:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: beqz a0, .LBB5_2
; RV32I-NEXT: # %bb.1: # %cond.false
; RV32I-NEXT: addi a1, a0, -1
; RV32I-NEXT: not a0, a0
; RV32I-NEXT: and a0, a0, a1
; RV32I-NEXT: srli a1, a0, 1
; RV32I-NEXT: lui a2, 349525
; RV32I-NEXT: addi a2, a2, 1365
; RV32I-NEXT: and a1, a1, a2
; RV32I-NEXT: sub a0, a0, a1
; RV32I-NEXT: lui a1, 209715
; RV32I-NEXT: addi a1, a1, 819
; RV32I-NEXT: and a2, a0, a1
; RV32I-NEXT: srli a0, a0, 2
; RV32I-NEXT: and a0, a0, a1
; RV32I-NEXT: add a0, a2, a0
; RV32I-NEXT: srli a1, a0, 4
; RV32I-NEXT: add a0, a0, a1
; RV32I-NEXT: lui a1, 61681
; RV32I-NEXT: addi a1, a1, -241
; RV32I-NEXT: and a0, a0, a1
; RV32I-NEXT: lui a1, 4112
; RV32I-NEXT: addi a1, a1, 257
; RV32I-NEXT: call __mulsi3
; RV32I-NEXT: srli a0, a0, 24
; RV32I-NEXT: j .LBB5_3
; RV32I-NEXT: .LBB5_2:
; RV32I-NEXT: addi a0, zero, 32
; RV32I-NEXT: .LBB5_3: # %cond.end
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
%tmp = call i32 @llvm.cttz.i32(i32 %a, i1 false)
ret i32 %tmp
}
define i32 @test_ctlz_i32(i32 %a) nounwind {
; RV32I-LABEL: test_ctlz_i32:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: beqz a0, .LBB6_2
; RV32I-NEXT: # %bb.1: # %cond.false
; RV32I-NEXT: srli a1, a0, 1
; RV32I-NEXT: or a0, a0, a1
; RV32I-NEXT: srli a1, a0, 2
; RV32I-NEXT: or a0, a0, a1
; RV32I-NEXT: srli a1, a0, 4
; RV32I-NEXT: or a0, a0, a1
; RV32I-NEXT: srli a1, a0, 8
; RV32I-NEXT: or a0, a0, a1
; RV32I-NEXT: srli a1, a0, 16
; RV32I-NEXT: or a0, a0, a1
; RV32I-NEXT: not a0, a0
; RV32I-NEXT: srli a1, a0, 1
; RV32I-NEXT: lui a2, 349525
; RV32I-NEXT: addi a2, a2, 1365
; RV32I-NEXT: and a1, a1, a2
; RV32I-NEXT: sub a0, a0, a1
; RV32I-NEXT: lui a1, 209715
; RV32I-NEXT: addi a1, a1, 819
; RV32I-NEXT: and a2, a0, a1
; RV32I-NEXT: srli a0, a0, 2
; RV32I-NEXT: and a0, a0, a1
; RV32I-NEXT: add a0, a2, a0
; RV32I-NEXT: srli a1, a0, 4
; RV32I-NEXT: add a0, a0, a1
; RV32I-NEXT: lui a1, 61681
; RV32I-NEXT: addi a1, a1, -241
; RV32I-NEXT: and a0, a0, a1
; RV32I-NEXT: lui a1, 4112
; RV32I-NEXT: addi a1, a1, 257
; RV32I-NEXT: call __mulsi3
; RV32I-NEXT: srli a0, a0, 24
; RV32I-NEXT: j .LBB6_3
; RV32I-NEXT: .LBB6_2:
; RV32I-NEXT: addi a0, zero, 32
; RV32I-NEXT: .LBB6_3: # %cond.end
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
%tmp = call i32 @llvm.ctlz.i32(i32 %a, i1 false)
ret i32 %tmp
}
define i64 @test_cttz_i64(i64 %a) nounwind {
; RV32I-LABEL: test_cttz_i64:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -32
; RV32I-NEXT: sw ra, 28(sp)
; RV32I-NEXT: sw s0, 24(sp)
; RV32I-NEXT: sw s1, 20(sp)
; RV32I-NEXT: sw s2, 16(sp)
; RV32I-NEXT: sw s3, 12(sp)
; RV32I-NEXT: sw s4, 8(sp)
; RV32I-NEXT: sw s5, 4(sp)
; RV32I-NEXT: sw s6, 0(sp)
; RV32I-NEXT: mv s3, a1
; RV32I-NEXT: mv s4, a0
; RV32I-NEXT: addi a0, a0, -1
; RV32I-NEXT: not a1, s4
; RV32I-NEXT: and a0, a1, a0
; RV32I-NEXT: srli a1, a0, 1
; RV32I-NEXT: lui a2, 349525
; RV32I-NEXT: addi s5, a2, 1365
; RV32I-NEXT: and a1, a1, s5
; RV32I-NEXT: sub a0, a0, a1
; RV32I-NEXT: lui a1, 209715
; RV32I-NEXT: addi s0, a1, 819
; RV32I-NEXT: and a1, a0, s0
; RV32I-NEXT: srli a0, a0, 2
; RV32I-NEXT: and a0, a0, s0
; RV32I-NEXT: add a0, a1, a0
; RV32I-NEXT: srli a1, a0, 4
; RV32I-NEXT: add a0, a0, a1
; RV32I-NEXT: lui a1, 61681
; RV32I-NEXT: addi s6, a1, -241
; RV32I-NEXT: and a0, a0, s6
; RV32I-NEXT: lui a1, 4112
; RV32I-NEXT: addi s1, a1, 257
; RV32I-NEXT: mv a1, s1
; RV32I-NEXT: call __mulsi3
; RV32I-NEXT: mv s2, a0
; RV32I-NEXT: addi a0, s3, -1
; RV32I-NEXT: not a1, s3
; RV32I-NEXT: and a0, a1, a0
; RV32I-NEXT: srli a1, a0, 1
; RV32I-NEXT: and a1, a1, s5
; RV32I-NEXT: sub a0, a0, a1
; RV32I-NEXT: and a1, a0, s0
; RV32I-NEXT: srli a0, a0, 2
; RV32I-NEXT: and a0, a0, s0
; RV32I-NEXT: add a0, a1, a0
; RV32I-NEXT: srli a1, a0, 4
; RV32I-NEXT: add a0, a0, a1
; RV32I-NEXT: and a0, a0, s6
; RV32I-NEXT: mv a1, s1
; RV32I-NEXT: call __mulsi3
; RV32I-NEXT: bnez s4, .LBB7_2
; RV32I-NEXT: # %bb.1:
; RV32I-NEXT: srli a0, a0, 24
; RV32I-NEXT: addi a0, a0, 32
; RV32I-NEXT: j .LBB7_3
; RV32I-NEXT: .LBB7_2:
; RV32I-NEXT: srli a0, s2, 24
; RV32I-NEXT: .LBB7_3:
; RV32I-NEXT: mv a1, zero
; RV32I-NEXT: lw s6, 0(sp)
; RV32I-NEXT: lw s5, 4(sp)
; RV32I-NEXT: lw s4, 8(sp)
; RV32I-NEXT: lw s3, 12(sp)
; RV32I-NEXT: lw s2, 16(sp)
; RV32I-NEXT: lw s1, 20(sp)
; RV32I-NEXT: lw s0, 24(sp)
; RV32I-NEXT: lw ra, 28(sp)
; RV32I-NEXT: addi sp, sp, 32
; RV32I-NEXT: ret
%tmp = call i64 @llvm.cttz.i64(i64 %a, i1 false)
ret i64 %tmp
}
define i8 @test_cttz_i8_zero_undef(i8 %a) nounwind {
; RV32I-LABEL: test_cttz_i8_zero_undef:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: addi a1, a0, -1
; RV32I-NEXT: not a0, a0
; RV32I-NEXT: and a0, a0, a1
; RV32I-NEXT: srli a1, a0, 1
; RV32I-NEXT: lui a2, 349525
; RV32I-NEXT: addi a2, a2, 1365
; RV32I-NEXT: and a1, a1, a2
; RV32I-NEXT: sub a0, a0, a1
; RV32I-NEXT: lui a1, 209715
; RV32I-NEXT: addi a1, a1, 819
; RV32I-NEXT: and a2, a0, a1
; RV32I-NEXT: srli a0, a0, 2
; RV32I-NEXT: and a0, a0, a1
; RV32I-NEXT: add a0, a2, a0
; RV32I-NEXT: srli a1, a0, 4
; RV32I-NEXT: add a0, a0, a1
; RV32I-NEXT: lui a1, 61681
; RV32I-NEXT: addi a1, a1, -241
; RV32I-NEXT: and a0, a0, a1
; RV32I-NEXT: lui a1, 4112
; RV32I-NEXT: addi a1, a1, 257
; RV32I-NEXT: call __mulsi3
; RV32I-NEXT: srli a0, a0, 24
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
%tmp = call i8 @llvm.cttz.i8(i8 %a, i1 true)
ret i8 %tmp
}
define i16 @test_cttz_i16_zero_undef(i16 %a) nounwind {
; RV32I-LABEL: test_cttz_i16_zero_undef:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: addi a1, a0, -1
; RV32I-NEXT: not a0, a0
; RV32I-NEXT: and a0, a0, a1
; RV32I-NEXT: srli a1, a0, 1
; RV32I-NEXT: lui a2, 349525
; RV32I-NEXT: addi a2, a2, 1365
; RV32I-NEXT: and a1, a1, a2
; RV32I-NEXT: sub a0, a0, a1
; RV32I-NEXT: lui a1, 209715
; RV32I-NEXT: addi a1, a1, 819
; RV32I-NEXT: and a2, a0, a1
; RV32I-NEXT: srli a0, a0, 2
; RV32I-NEXT: and a0, a0, a1
; RV32I-NEXT: add a0, a2, a0
; RV32I-NEXT: srli a1, a0, 4
; RV32I-NEXT: add a0, a0, a1
; RV32I-NEXT: lui a1, 61681
; RV32I-NEXT: addi a1, a1, -241
; RV32I-NEXT: and a0, a0, a1
; RV32I-NEXT: lui a1, 4112
; RV32I-NEXT: addi a1, a1, 257
; RV32I-NEXT: call __mulsi3
; RV32I-NEXT: srli a0, a0, 24
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
%tmp = call i16 @llvm.cttz.i16(i16 %a, i1 true)
ret i16 %tmp
}
define i32 @test_cttz_i32_zero_undef(i32 %a) nounwind {
; RV32I-LABEL: test_cttz_i32_zero_undef:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: addi a1, a0, -1
; RV32I-NEXT: not a0, a0
; RV32I-NEXT: and a0, a0, a1
; RV32I-NEXT: srli a1, a0, 1
; RV32I-NEXT: lui a2, 349525
; RV32I-NEXT: addi a2, a2, 1365
; RV32I-NEXT: and a1, a1, a2
; RV32I-NEXT: sub a0, a0, a1
; RV32I-NEXT: lui a1, 209715
; RV32I-NEXT: addi a1, a1, 819
; RV32I-NEXT: and a2, a0, a1
; RV32I-NEXT: srli a0, a0, 2
; RV32I-NEXT: and a0, a0, a1
; RV32I-NEXT: add a0, a2, a0
; RV32I-NEXT: srli a1, a0, 4
; RV32I-NEXT: add a0, a0, a1
; RV32I-NEXT: lui a1, 61681
; RV32I-NEXT: addi a1, a1, -241
; RV32I-NEXT: and a0, a0, a1
; RV32I-NEXT: lui a1, 4112
; RV32I-NEXT: addi a1, a1, 257
; RV32I-NEXT: call __mulsi3
; RV32I-NEXT: srli a0, a0, 24
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
%tmp = call i32 @llvm.cttz.i32(i32 %a, i1 true)
ret i32 %tmp
}
define i64 @test_cttz_i64_zero_undef(i64 %a) nounwind {
; RV32I-LABEL: test_cttz_i64_zero_undef:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -32
; RV32I-NEXT: sw ra, 28(sp)
; RV32I-NEXT: sw s0, 24(sp)
; RV32I-NEXT: sw s1, 20(sp)
; RV32I-NEXT: sw s2, 16(sp)
; RV32I-NEXT: sw s3, 12(sp)
; RV32I-NEXT: sw s4, 8(sp)
; RV32I-NEXT: sw s5, 4(sp)
; RV32I-NEXT: sw s6, 0(sp)
; RV32I-NEXT: mv s3, a1
; RV32I-NEXT: mv s4, a0
; RV32I-NEXT: addi a0, a0, -1
; RV32I-NEXT: not a1, s4
; RV32I-NEXT: and a0, a1, a0
; RV32I-NEXT: srli a1, a0, 1
; RV32I-NEXT: lui a2, 349525
; RV32I-NEXT: addi s5, a2, 1365
; RV32I-NEXT: and a1, a1, s5
; RV32I-NEXT: sub a0, a0, a1
; RV32I-NEXT: lui a1, 209715
; RV32I-NEXT: addi s0, a1, 819
; RV32I-NEXT: and a1, a0, s0
; RV32I-NEXT: srli a0, a0, 2
; RV32I-NEXT: and a0, a0, s0
; RV32I-NEXT: add a0, a1, a0
; RV32I-NEXT: srli a1, a0, 4
; RV32I-NEXT: add a0, a0, a1
; RV32I-NEXT: lui a1, 61681
; RV32I-NEXT: addi s6, a1, -241
; RV32I-NEXT: and a0, a0, s6
; RV32I-NEXT: lui a1, 4112
; RV32I-NEXT: addi s1, a1, 257
; RV32I-NEXT: mv a1, s1
; RV32I-NEXT: call __mulsi3
; RV32I-NEXT: mv s2, a0
; RV32I-NEXT: addi a0, s3, -1
; RV32I-NEXT: not a1, s3
; RV32I-NEXT: and a0, a1, a0
; RV32I-NEXT: srli a1, a0, 1
; RV32I-NEXT: and a1, a1, s5
; RV32I-NEXT: sub a0, a0, a1
; RV32I-NEXT: and a1, a0, s0
; RV32I-NEXT: srli a0, a0, 2
; RV32I-NEXT: and a0, a0, s0
; RV32I-NEXT: add a0, a1, a0
; RV32I-NEXT: srli a1, a0, 4
; RV32I-NEXT: add a0, a0, a1
; RV32I-NEXT: and a0, a0, s6
; RV32I-NEXT: mv a1, s1
; RV32I-NEXT: call __mulsi3
; RV32I-NEXT: bnez s4, .LBB11_2
; RV32I-NEXT: # %bb.1:
; RV32I-NEXT: srli a0, a0, 24
; RV32I-NEXT: addi a0, a0, 32
; RV32I-NEXT: j .LBB11_3
; RV32I-NEXT: .LBB11_2:
; RV32I-NEXT: srli a0, s2, 24
; RV32I-NEXT: .LBB11_3:
; RV32I-NEXT: mv a1, zero
; RV32I-NEXT: lw s6, 0(sp)
; RV32I-NEXT: lw s5, 4(sp)
; RV32I-NEXT: lw s4, 8(sp)
; RV32I-NEXT: lw s3, 12(sp)
; RV32I-NEXT: lw s2, 16(sp)
; RV32I-NEXT: lw s1, 20(sp)
; RV32I-NEXT: lw s0, 24(sp)
; RV32I-NEXT: lw ra, 28(sp)
; RV32I-NEXT: addi sp, sp, 32
; RV32I-NEXT: ret
%tmp = call i64 @llvm.cttz.i64(i64 %a, i1 true)
ret i64 %tmp
}
define i32 @test_ctpop_i32(i32 %a) nounwind {
; RV32I-LABEL: test_ctpop_i32:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: srli a1, a0, 1
; RV32I-NEXT: lui a2, 349525
; RV32I-NEXT: addi a2, a2, 1365
; RV32I-NEXT: and a1, a1, a2
; RV32I-NEXT: sub a0, a0, a1
; RV32I-NEXT: lui a1, 209715
; RV32I-NEXT: addi a1, a1, 819
; RV32I-NEXT: and a2, a0, a1
; RV32I-NEXT: srli a0, a0, 2
; RV32I-NEXT: and a0, a0, a1
; RV32I-NEXT: add a0, a2, a0
; RV32I-NEXT: srli a1, a0, 4
; RV32I-NEXT: add a0, a0, a1
; RV32I-NEXT: lui a1, 61681
; RV32I-NEXT: addi a1, a1, -241
; RV32I-NEXT: and a0, a0, a1
; RV32I-NEXT: lui a1, 4112
; RV32I-NEXT: addi a1, a1, 257
; RV32I-NEXT: call __mulsi3
; RV32I-NEXT: srli a0, a0, 24
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
%1 = call i32 @llvm.ctpop.i32(i32 %a)
ret i32 %1
}