| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \ |
| ; RUN: | FileCheck %s -check-prefixes=CHECK,RV32I |
| ; RUN: llc -mtriple=riscv32 -mattr=+zbb -verify-machineinstrs < %s \ |
| ; RUN: | FileCheck %s -check-prefixes=CHECK,RV32ZBB |
| |
| declare i32 @llvm.ctlz.i32(i32, i1) |
| |
| define i32 @ctlz_i32(i32 %a) nounwind { |
| ; RV32I-LABEL: ctlz_i32: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: beqz a0, .LBB0_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: slli a1, a0, 8 |
| ; RV32I-NEXT: add a0, a0, a1 |
| ; RV32I-NEXT: slli a1, a0, 16 |
| ; RV32I-NEXT: add a0, a0, a1 |
| ; RV32I-NEXT: srli a0, a0, 24 |
| ; RV32I-NEXT: ret |
| ; RV32I-NEXT: .LBB0_2: |
| ; RV32I-NEXT: li a0, 32 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: ctlz_i32: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: clz a0, a0 |
| ; RV32ZBB-NEXT: ret |
| %1 = call i32 @llvm.ctlz.i32(i32 %a, i1 false) |
| ret i32 %1 |
| } |
| |
| declare i64 @llvm.ctlz.i64(i64, i1) |
| |
| define i64 @ctlz_i64(i64 %a) nounwind { |
| ; RV32I-LABEL: ctlz_i64: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: lui a2, 349525 |
| ; RV32I-NEXT: addi a4, a2, 1365 |
| ; RV32I-NEXT: lui a2, 209715 |
| ; RV32I-NEXT: addi a3, a2, 819 |
| ; RV32I-NEXT: lui a2, 61681 |
| ; RV32I-NEXT: addi a2, a2, -241 |
| ; RV32I-NEXT: bnez a1, .LBB1_2 |
| ; RV32I-NEXT: # %bb.1: |
| ; 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: and a1, a1, a4 |
| ; RV32I-NEXT: sub a0, a0, a1 |
| ; RV32I-NEXT: and a1, a0, a3 |
| ; RV32I-NEXT: srli a0, a0, 2 |
| ; RV32I-NEXT: and a0, a0, a3 |
| ; RV32I-NEXT: add a0, a1, a0 |
| ; RV32I-NEXT: srli a1, a0, 4 |
| ; RV32I-NEXT: add a0, a0, a1 |
| ; RV32I-NEXT: and a0, a0, a2 |
| ; RV32I-NEXT: slli a1, a0, 8 |
| ; RV32I-NEXT: add a0, a0, a1 |
| ; RV32I-NEXT: slli a1, a0, 16 |
| ; RV32I-NEXT: add a0, a0, a1 |
| ; RV32I-NEXT: srli a0, a0, 24 |
| ; RV32I-NEXT: addi a0, a0, 32 |
| ; RV32I-NEXT: li a1, 0 |
| ; RV32I-NEXT: ret |
| ; RV32I-NEXT: .LBB1_2: |
| ; RV32I-NEXT: srli a0, a1, 1 |
| ; RV32I-NEXT: or a0, a1, a0 |
| ; 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: and a1, a1, a4 |
| ; RV32I-NEXT: sub a0, a0, a1 |
| ; RV32I-NEXT: and a1, a0, a3 |
| ; RV32I-NEXT: srli a0, a0, 2 |
| ; RV32I-NEXT: and a0, a0, a3 |
| ; RV32I-NEXT: add a0, a1, a0 |
| ; RV32I-NEXT: srli a1, a0, 4 |
| ; RV32I-NEXT: add a0, a0, a1 |
| ; RV32I-NEXT: and a0, a0, a2 |
| ; RV32I-NEXT: slli a1, a0, 8 |
| ; RV32I-NEXT: add a0, a0, a1 |
| ; RV32I-NEXT: slli a1, a0, 16 |
| ; RV32I-NEXT: add a0, a0, a1 |
| ; RV32I-NEXT: srli a0, a0, 24 |
| ; RV32I-NEXT: li a1, 0 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: ctlz_i64: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: bnez a1, .LBB1_2 |
| ; RV32ZBB-NEXT: # %bb.1: |
| ; RV32ZBB-NEXT: clz a0, a0 |
| ; RV32ZBB-NEXT: addi a0, a0, 32 |
| ; RV32ZBB-NEXT: li a1, 0 |
| ; RV32ZBB-NEXT: ret |
| ; RV32ZBB-NEXT: .LBB1_2: |
| ; RV32ZBB-NEXT: clz a0, a1 |
| ; RV32ZBB-NEXT: li a1, 0 |
| ; RV32ZBB-NEXT: ret |
| %1 = call i64 @llvm.ctlz.i64(i64 %a, i1 false) |
| ret i64 %1 |
| } |
| |
| declare i32 @llvm.cttz.i32(i32, i1) |
| |
| define i32 @cttz_i32(i32 %a) nounwind { |
| ; RV32I-LABEL: cttz_i32: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: beqz a0, .LBB2_2 |
| ; RV32I-NEXT: # %bb.1: # %cond.false |
| ; RV32I-NEXT: addi sp, sp, -16 |
| ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: neg a1, a0 |
| ; RV32I-NEXT: and a0, a0, a1 |
| ; RV32I-NEXT: lui a1, 30667 |
| ; RV32I-NEXT: addi a1, a1, 1329 |
| ; RV32I-NEXT: call __mulsi3 |
| ; RV32I-NEXT: srli a0, a0, 27 |
| ; RV32I-NEXT: lui a1, %hi(.LCPI2_0) |
| ; RV32I-NEXT: addi a1, a1, %lo(.LCPI2_0) |
| ; RV32I-NEXT: add a0, a1, a0 |
| ; RV32I-NEXT: lbu a0, 0(a0) |
| ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: addi sp, sp, 16 |
| ; RV32I-NEXT: ret |
| ; RV32I-NEXT: .LBB2_2: |
| ; RV32I-NEXT: li a0, 32 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: cttz_i32: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: ctz a0, a0 |
| ; RV32ZBB-NEXT: ret |
| %1 = call i32 @llvm.cttz.i32(i32 %a, i1 false) |
| ret i32 %1 |
| } |
| |
| declare i64 @llvm.cttz.i64(i64, i1) |
| |
| define i64 @cttz_i64(i64 %a) nounwind { |
| ; RV32I-LABEL: cttz_i64: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi sp, sp, -32 |
| ; RV32I-NEXT: sw ra, 28(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s0, 24(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s1, 20(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s2, 16(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s3, 12(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s4, 8(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: mv s2, a1 |
| ; RV32I-NEXT: mv s0, a0 |
| ; RV32I-NEXT: neg a0, a0 |
| ; RV32I-NEXT: and a0, s0, a0 |
| ; RV32I-NEXT: lui a1, 30667 |
| ; RV32I-NEXT: addi s3, a1, 1329 |
| ; RV32I-NEXT: mv a1, s3 |
| ; RV32I-NEXT: call __mulsi3 |
| ; RV32I-NEXT: mv s1, a0 |
| ; RV32I-NEXT: lui a0, %hi(.LCPI3_0) |
| ; RV32I-NEXT: addi s4, a0, %lo(.LCPI3_0) |
| ; RV32I-NEXT: neg a0, s2 |
| ; RV32I-NEXT: and a0, s2, a0 |
| ; RV32I-NEXT: mv a1, s3 |
| ; RV32I-NEXT: call __mulsi3 |
| ; RV32I-NEXT: bnez s2, .LBB3_3 |
| ; RV32I-NEXT: # %bb.1: |
| ; RV32I-NEXT: li a0, 32 |
| ; RV32I-NEXT: beqz s0, .LBB3_4 |
| ; RV32I-NEXT: .LBB3_2: |
| ; RV32I-NEXT: srli s1, s1, 27 |
| ; RV32I-NEXT: add s1, s4, s1 |
| ; RV32I-NEXT: lbu a0, 0(s1) |
| ; RV32I-NEXT: j .LBB3_5 |
| ; RV32I-NEXT: .LBB3_3: |
| ; RV32I-NEXT: srli a0, a0, 27 |
| ; RV32I-NEXT: add a0, s4, a0 |
| ; RV32I-NEXT: lbu a0, 0(a0) |
| ; RV32I-NEXT: bnez s0, .LBB3_2 |
| ; RV32I-NEXT: .LBB3_4: |
| ; RV32I-NEXT: addi a0, a0, 32 |
| ; RV32I-NEXT: .LBB3_5: |
| ; RV32I-NEXT: li a1, 0 |
| ; RV32I-NEXT: lw ra, 28(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s0, 24(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s1, 20(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s2, 16(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s3, 12(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s4, 8(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: addi sp, sp, 32 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: cttz_i64: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: bnez a0, .LBB3_2 |
| ; RV32ZBB-NEXT: # %bb.1: |
| ; RV32ZBB-NEXT: ctz a0, a1 |
| ; RV32ZBB-NEXT: addi a0, a0, 32 |
| ; RV32ZBB-NEXT: li a1, 0 |
| ; RV32ZBB-NEXT: ret |
| ; RV32ZBB-NEXT: .LBB3_2: |
| ; RV32ZBB-NEXT: ctz a0, a0 |
| ; RV32ZBB-NEXT: li a1, 0 |
| ; RV32ZBB-NEXT: ret |
| %1 = call i64 @llvm.cttz.i64(i64 %a, i1 false) |
| ret i64 %1 |
| } |
| |
| declare i32 @llvm.ctpop.i32(i32) |
| |
| define i32 @ctpop_i32(i32 %a) nounwind { |
| ; RV32I-LABEL: ctpop_i32: |
| ; RV32I: # %bb.0: |
| ; 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: slli a1, a0, 8 |
| ; RV32I-NEXT: add a0, a0, a1 |
| ; RV32I-NEXT: slli a1, a0, 16 |
| ; RV32I-NEXT: add a0, a0, a1 |
| ; RV32I-NEXT: srli a0, a0, 24 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: ctpop_i32: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: cpop a0, a0 |
| ; RV32ZBB-NEXT: ret |
| %1 = call i32 @llvm.ctpop.i32(i32 %a) |
| ret i32 %1 |
| } |
| |
| define i1 @ctpop_i32_ult_two(i32 signext %a) nounwind { |
| ; RV32I-LABEL: ctpop_i32_ult_two: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi a1, a0, -1 |
| ; RV32I-NEXT: and a0, a0, a1 |
| ; RV32I-NEXT: seqz a0, a0 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: ctpop_i32_ult_two: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: cpop a0, a0 |
| ; RV32ZBB-NEXT: sltiu a0, a0, 2 |
| ; RV32ZBB-NEXT: ret |
| %1 = call i32 @llvm.ctpop.i32(i32 %a) |
| %2 = icmp ult i32 %1, 2 |
| ret i1 %2 |
| } |
| |
| define i1 @ctpop_i32_ugt_one(i32 signext %a) nounwind { |
| ; RV32I-LABEL: ctpop_i32_ugt_one: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi a1, a0, -1 |
| ; RV32I-NEXT: and a0, a0, a1 |
| ; RV32I-NEXT: snez a0, a0 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: ctpop_i32_ugt_one: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: cpop a0, a0 |
| ; RV32ZBB-NEXT: sltiu a0, a0, 2 |
| ; RV32ZBB-NEXT: xori a0, a0, 1 |
| ; RV32ZBB-NEXT: ret |
| %1 = call i32 @llvm.ctpop.i32(i32 %a) |
| %2 = icmp ugt i32 %1, 1 |
| ret i1 %2 |
| } |
| |
| define i1 @ctpop_i32_eq_one(i32 signext %a) nounwind { |
| ; RV32I-LABEL: ctpop_i32_eq_one: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi a1, a0, -1 |
| ; RV32I-NEXT: xor a0, a0, a1 |
| ; RV32I-NEXT: sltu a0, a1, a0 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: ctpop_i32_eq_one: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: cpop a0, a0 |
| ; RV32ZBB-NEXT: addi a0, a0, -1 |
| ; RV32ZBB-NEXT: seqz a0, a0 |
| ; RV32ZBB-NEXT: ret |
| %1 = call i32 @llvm.ctpop.i32(i32 %a) |
| %2 = icmp eq i32 %1, 1 |
| ret i1 %2 |
| } |
| |
| define i1 @ctpop_i32_ne_one(i32 signext %a) nounwind { |
| ; RV32I-LABEL: ctpop_i32_ne_one: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi a1, a0, -1 |
| ; RV32I-NEXT: xor a0, a0, a1 |
| ; RV32I-NEXT: sltu a0, a1, a0 |
| ; RV32I-NEXT: xori a0, a0, 1 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: ctpop_i32_ne_one: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: cpop a0, a0 |
| ; RV32ZBB-NEXT: addi a0, a0, -1 |
| ; RV32ZBB-NEXT: snez a0, a0 |
| ; RV32ZBB-NEXT: ret |
| %1 = call i32 @llvm.ctpop.i32(i32 %a) |
| %2 = icmp ne i32 %1, 1 |
| ret i1 %2 |
| } |
| |
| declare <2 x i32> @llvm.ctpop.v2i32(<2 x i32>) |
| |
| define <2 x i32> @ctpop_v2i32(<2 x i32> %a) nounwind { |
| ; RV32I-LABEL: ctpop_v2i32: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: srli a2, a0, 1 |
| ; RV32I-NEXT: lui a3, 349525 |
| ; RV32I-NEXT: addi a3, a3, 1365 |
| ; RV32I-NEXT: and a2, a2, a3 |
| ; RV32I-NEXT: sub a0, a0, a2 |
| ; RV32I-NEXT: lui a2, 209715 |
| ; RV32I-NEXT: addi a2, a2, 819 |
| ; RV32I-NEXT: and a4, a0, a2 |
| ; RV32I-NEXT: srli a0, a0, 2 |
| ; RV32I-NEXT: and a0, a0, a2 |
| ; RV32I-NEXT: add a0, a4, a0 |
| ; RV32I-NEXT: srli a4, a0, 4 |
| ; RV32I-NEXT: add a0, a0, a4 |
| ; RV32I-NEXT: lui a4, 61681 |
| ; RV32I-NEXT: addi a4, a4, -241 |
| ; RV32I-NEXT: and a0, a0, a4 |
| ; RV32I-NEXT: slli a5, a0, 8 |
| ; RV32I-NEXT: add a0, a0, a5 |
| ; RV32I-NEXT: slli a5, a0, 16 |
| ; RV32I-NEXT: add a0, a0, a5 |
| ; RV32I-NEXT: srli a0, a0, 24 |
| ; RV32I-NEXT: srli a5, a1, 1 |
| ; RV32I-NEXT: and a3, a5, a3 |
| ; RV32I-NEXT: sub a1, a1, a3 |
| ; RV32I-NEXT: and a3, a1, a2 |
| ; RV32I-NEXT: srli a1, a1, 2 |
| ; RV32I-NEXT: and a1, a1, a2 |
| ; RV32I-NEXT: add a1, a3, a1 |
| ; RV32I-NEXT: srli a2, a1, 4 |
| ; RV32I-NEXT: add a1, a1, a2 |
| ; RV32I-NEXT: and a1, a1, a4 |
| ; RV32I-NEXT: slli a2, a1, 8 |
| ; RV32I-NEXT: add a1, a1, a2 |
| ; RV32I-NEXT: slli a2, a1, 16 |
| ; RV32I-NEXT: add a1, a1, a2 |
| ; RV32I-NEXT: srli a1, a1, 24 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: ctpop_v2i32: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: cpop a0, a0 |
| ; RV32ZBB-NEXT: cpop a1, a1 |
| ; RV32ZBB-NEXT: ret |
| %1 = call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> %a) |
| ret <2 x i32> %1 |
| } |
| |
| define <2 x i1> @ctpop_v2i32_ult_two(<2 x i32> %a) nounwind { |
| ; RV32I-LABEL: ctpop_v2i32_ult_two: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi a2, a0, -1 |
| ; RV32I-NEXT: and a0, a0, a2 |
| ; RV32I-NEXT: seqz a0, a0 |
| ; RV32I-NEXT: addi a2, a1, -1 |
| ; RV32I-NEXT: and a1, a1, a2 |
| ; RV32I-NEXT: seqz a1, a1 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: ctpop_v2i32_ult_two: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: cpop a1, a1 |
| ; RV32ZBB-NEXT: cpop a0, a0 |
| ; RV32ZBB-NEXT: sltiu a0, a0, 2 |
| ; RV32ZBB-NEXT: sltiu a1, a1, 2 |
| ; RV32ZBB-NEXT: ret |
| %1 = call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> %a) |
| %2 = icmp ult <2 x i32> %1, <i32 2, i32 2> |
| ret <2 x i1> %2 |
| } |
| |
| define <2 x i1> @ctpop_v2i32_ugt_one(<2 x i32> %a) nounwind { |
| ; RV32I-LABEL: ctpop_v2i32_ugt_one: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi a2, a0, -1 |
| ; RV32I-NEXT: and a0, a0, a2 |
| ; RV32I-NEXT: snez a0, a0 |
| ; RV32I-NEXT: addi a2, a1, -1 |
| ; RV32I-NEXT: and a1, a1, a2 |
| ; RV32I-NEXT: snez a1, a1 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: ctpop_v2i32_ugt_one: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: cpop a1, a1 |
| ; RV32ZBB-NEXT: cpop a0, a0 |
| ; RV32ZBB-NEXT: sltiu a0, a0, 2 |
| ; RV32ZBB-NEXT: xori a0, a0, 1 |
| ; RV32ZBB-NEXT: sltiu a1, a1, 2 |
| ; RV32ZBB-NEXT: xori a1, a1, 1 |
| ; RV32ZBB-NEXT: ret |
| %1 = call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> %a) |
| %2 = icmp ugt <2 x i32> %1, <i32 1, i32 1> |
| ret <2 x i1> %2 |
| } |
| |
| define <2 x i1> @ctpop_v2i32_eq_one(<2 x i32> %a) nounwind { |
| ; RV32I-LABEL: ctpop_v2i32_eq_one: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi a2, a0, -1 |
| ; RV32I-NEXT: xor a0, a0, a2 |
| ; RV32I-NEXT: sltu a0, a2, a0 |
| ; RV32I-NEXT: addi a2, a1, -1 |
| ; RV32I-NEXT: xor a1, a1, a2 |
| ; RV32I-NEXT: sltu a1, a2, a1 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: ctpop_v2i32_eq_one: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: cpop a1, a1 |
| ; RV32ZBB-NEXT: cpop a0, a0 |
| ; RV32ZBB-NEXT: addi a0, a0, -1 |
| ; RV32ZBB-NEXT: seqz a0, a0 |
| ; RV32ZBB-NEXT: addi a1, a1, -1 |
| ; RV32ZBB-NEXT: seqz a1, a1 |
| ; RV32ZBB-NEXT: ret |
| %1 = call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> %a) |
| %2 = icmp eq <2 x i32> %1, <i32 1, i32 1> |
| ret <2 x i1> %2 |
| } |
| |
| define <2 x i1> @ctpop_v2i32_ne_one(<2 x i32> %a) nounwind { |
| ; RV32I-LABEL: ctpop_v2i32_ne_one: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi a2, a0, -1 |
| ; RV32I-NEXT: xor a0, a0, a2 |
| ; RV32I-NEXT: sltu a0, a2, a0 |
| ; RV32I-NEXT: xori a0, a0, 1 |
| ; RV32I-NEXT: addi a2, a1, -1 |
| ; RV32I-NEXT: xor a1, a1, a2 |
| ; RV32I-NEXT: sltu a1, a2, a1 |
| ; RV32I-NEXT: xori a1, a1, 1 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: ctpop_v2i32_ne_one: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: cpop a1, a1 |
| ; RV32ZBB-NEXT: cpop a0, a0 |
| ; RV32ZBB-NEXT: addi a0, a0, -1 |
| ; RV32ZBB-NEXT: snez a0, a0 |
| ; RV32ZBB-NEXT: addi a1, a1, -1 |
| ; RV32ZBB-NEXT: snez a1, a1 |
| ; RV32ZBB-NEXT: ret |
| %1 = call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> %a) |
| %2 = icmp ne <2 x i32> %1, <i32 1, i32 1> |
| ret <2 x i1> %2 |
| } |
| |
| declare i64 @llvm.ctpop.i64(i64) |
| |
| define i64 @ctpop_i64(i64 %a) nounwind { |
| ; RV32I-LABEL: ctpop_i64: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: srli a2, a1, 1 |
| ; RV32I-NEXT: lui a3, 349525 |
| ; RV32I-NEXT: addi a3, a3, 1365 |
| ; RV32I-NEXT: and a2, a2, a3 |
| ; RV32I-NEXT: sub a1, a1, a2 |
| ; RV32I-NEXT: lui a2, 209715 |
| ; RV32I-NEXT: addi a2, a2, 819 |
| ; RV32I-NEXT: and a4, a1, a2 |
| ; RV32I-NEXT: srli a1, a1, 2 |
| ; RV32I-NEXT: and a1, a1, a2 |
| ; RV32I-NEXT: add a1, a4, a1 |
| ; RV32I-NEXT: srli a4, a1, 4 |
| ; RV32I-NEXT: add a1, a1, a4 |
| ; RV32I-NEXT: lui a4, 61681 |
| ; RV32I-NEXT: addi a4, a4, -241 |
| ; RV32I-NEXT: and a1, a1, a4 |
| ; RV32I-NEXT: slli a5, a1, 8 |
| ; RV32I-NEXT: add a1, a1, a5 |
| ; RV32I-NEXT: slli a5, a1, 16 |
| ; RV32I-NEXT: add a1, a1, a5 |
| ; RV32I-NEXT: srli a1, a1, 24 |
| ; RV32I-NEXT: srli a5, a0, 1 |
| ; RV32I-NEXT: and a3, a5, a3 |
| ; RV32I-NEXT: sub a0, a0, a3 |
| ; RV32I-NEXT: and a3, a0, a2 |
| ; RV32I-NEXT: srli a0, a0, 2 |
| ; RV32I-NEXT: and a0, a0, a2 |
| ; RV32I-NEXT: add a0, a3, a0 |
| ; RV32I-NEXT: srli a2, a0, 4 |
| ; RV32I-NEXT: add a0, a0, a2 |
| ; RV32I-NEXT: and a0, a0, a4 |
| ; RV32I-NEXT: slli a2, a0, 8 |
| ; RV32I-NEXT: add a0, a0, a2 |
| ; RV32I-NEXT: slli a2, a0, 16 |
| ; RV32I-NEXT: add a0, a0, a2 |
| ; RV32I-NEXT: srli a0, a0, 24 |
| ; RV32I-NEXT: add a0, a0, a1 |
| ; RV32I-NEXT: li a1, 0 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: ctpop_i64: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: cpop a1, a1 |
| ; RV32ZBB-NEXT: cpop a0, a0 |
| ; RV32ZBB-NEXT: add a0, a0, a1 |
| ; RV32ZBB-NEXT: li a1, 0 |
| ; RV32ZBB-NEXT: ret |
| %1 = call i64 @llvm.ctpop.i64(i64 %a) |
| ret i64 %1 |
| } |
| |
| define i1 @ctpop_i64_ugt_two(i64 %a) nounwind { |
| ; RV32I-LABEL: ctpop_i64_ugt_two: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi a2, a0, -1 |
| ; RV32I-NEXT: and a2, a0, a2 |
| ; RV32I-NEXT: seqz a0, a0 |
| ; RV32I-NEXT: sub a0, a1, a0 |
| ; RV32I-NEXT: and a0, a1, a0 |
| ; RV32I-NEXT: or a0, a2, a0 |
| ; RV32I-NEXT: seqz a0, a0 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: ctpop_i64_ugt_two: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: cpop a1, a1 |
| ; RV32ZBB-NEXT: cpop a0, a0 |
| ; RV32ZBB-NEXT: add a0, a0, a1 |
| ; RV32ZBB-NEXT: sltiu a0, a0, 2 |
| ; RV32ZBB-NEXT: ret |
| %1 = call i64 @llvm.ctpop.i64(i64 %a) |
| %2 = icmp ult i64 %1, 2 |
| ret i1 %2 |
| } |
| |
| define i1 @ctpop_i64_ugt_one(i64 %a) nounwind { |
| ; RV32I-LABEL: ctpop_i64_ugt_one: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi a2, a0, -1 |
| ; RV32I-NEXT: and a2, a0, a2 |
| ; RV32I-NEXT: seqz a0, a0 |
| ; RV32I-NEXT: sub a0, a1, a0 |
| ; RV32I-NEXT: and a0, a1, a0 |
| ; RV32I-NEXT: or a0, a2, a0 |
| ; RV32I-NEXT: snez a0, a0 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: ctpop_i64_ugt_one: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: cpop a1, a1 |
| ; RV32ZBB-NEXT: cpop a0, a0 |
| ; RV32ZBB-NEXT: add a0, a0, a1 |
| ; RV32ZBB-NEXT: sltiu a0, a0, 2 |
| ; RV32ZBB-NEXT: xori a0, a0, 1 |
| ; RV32ZBB-NEXT: ret |
| %1 = call i64 @llvm.ctpop.i64(i64 %a) |
| %2 = icmp ugt i64 %1, 1 |
| ret i1 %2 |
| } |
| |
| define i1 @ctpop_i64_eq_one(i64 %a) nounwind { |
| ; RV32I-LABEL: ctpop_i64_eq_one: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: beqz a1, .LBB17_2 |
| ; RV32I-NEXT: # %bb.1: |
| ; RV32I-NEXT: seqz a0, a0 |
| ; RV32I-NEXT: sub a0, a1, a0 |
| ; RV32I-NEXT: xor a1, a1, a0 |
| ; RV32I-NEXT: sltu a0, a0, a1 |
| ; RV32I-NEXT: ret |
| ; RV32I-NEXT: .LBB17_2: |
| ; RV32I-NEXT: addi a1, a0, -1 |
| ; RV32I-NEXT: xor a0, a0, a1 |
| ; RV32I-NEXT: sltu a0, a1, a0 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: ctpop_i64_eq_one: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: cpop a1, a1 |
| ; RV32ZBB-NEXT: cpop a0, a0 |
| ; RV32ZBB-NEXT: add a0, a0, a1 |
| ; RV32ZBB-NEXT: addi a0, a0, -1 |
| ; RV32ZBB-NEXT: seqz a0, a0 |
| ; RV32ZBB-NEXT: ret |
| %1 = call i64 @llvm.ctpop.i64(i64 %a) |
| %2 = icmp eq i64 %1, 1 |
| ret i1 %2 |
| } |
| |
| define i1 @ctpop_i64_ne_one(i64 %a) nounwind { |
| ; RV32I-LABEL: ctpop_i64_ne_one: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: beqz a1, .LBB18_2 |
| ; RV32I-NEXT: # %bb.1: |
| ; RV32I-NEXT: seqz a0, a0 |
| ; RV32I-NEXT: sub a0, a1, a0 |
| ; RV32I-NEXT: xor a1, a1, a0 |
| ; RV32I-NEXT: sltu a0, a0, a1 |
| ; RV32I-NEXT: xori a0, a0, 1 |
| ; RV32I-NEXT: ret |
| ; RV32I-NEXT: .LBB18_2: |
| ; RV32I-NEXT: addi a1, a0, -1 |
| ; RV32I-NEXT: xor a0, a0, a1 |
| ; RV32I-NEXT: sltu a0, a1, a0 |
| ; RV32I-NEXT: xori a0, a0, 1 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: ctpop_i64_ne_one: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: cpop a1, a1 |
| ; RV32ZBB-NEXT: cpop a0, a0 |
| ; RV32ZBB-NEXT: add a0, a0, a1 |
| ; RV32ZBB-NEXT: addi a0, a0, -1 |
| ; RV32ZBB-NEXT: snez a0, a0 |
| ; RV32ZBB-NEXT: ret |
| %1 = call i64 @llvm.ctpop.i64(i64 %a) |
| %2 = icmp ne i64 %1, 1 |
| ret i1 %2 |
| } |
| |
| declare <2 x i64> @llvm.ctpop.v2i64(<2 x i64>) |
| |
| define <2 x i64> @ctpop_v2i64(<2 x i64> %a) nounwind { |
| ; RV32I-LABEL: ctpop_v2i64: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: lw a3, 4(a1) |
| ; RV32I-NEXT: lw a2, 8(a1) |
| ; RV32I-NEXT: lw a4, 12(a1) |
| ; RV32I-NEXT: lw a1, 0(a1) |
| ; RV32I-NEXT: srli a5, a3, 1 |
| ; RV32I-NEXT: lui a6, 349525 |
| ; RV32I-NEXT: addi a6, a6, 1365 |
| ; RV32I-NEXT: and a5, a5, a6 |
| ; RV32I-NEXT: sub a3, a3, a5 |
| ; RV32I-NEXT: lui a5, 209715 |
| ; RV32I-NEXT: addi a5, a5, 819 |
| ; RV32I-NEXT: and a7, a3, a5 |
| ; RV32I-NEXT: srli a3, a3, 2 |
| ; RV32I-NEXT: and a3, a3, a5 |
| ; RV32I-NEXT: add a3, a7, a3 |
| ; RV32I-NEXT: srli a7, a3, 4 |
| ; RV32I-NEXT: add a3, a3, a7 |
| ; RV32I-NEXT: lui a7, 61681 |
| ; RV32I-NEXT: addi a7, a7, -241 |
| ; RV32I-NEXT: and a3, a3, a7 |
| ; RV32I-NEXT: slli t0, a3, 8 |
| ; RV32I-NEXT: add a3, a3, t0 |
| ; RV32I-NEXT: slli t0, a3, 16 |
| ; RV32I-NEXT: add a3, a3, t0 |
| ; RV32I-NEXT: srli a3, a3, 24 |
| ; RV32I-NEXT: srli t0, a1, 1 |
| ; RV32I-NEXT: and t0, t0, a6 |
| ; RV32I-NEXT: sub a1, a1, t0 |
| ; RV32I-NEXT: and t0, a1, a5 |
| ; RV32I-NEXT: srli a1, a1, 2 |
| ; RV32I-NEXT: and a1, a1, a5 |
| ; RV32I-NEXT: add a1, t0, a1 |
| ; RV32I-NEXT: srli t0, a1, 4 |
| ; RV32I-NEXT: add a1, a1, t0 |
| ; RV32I-NEXT: and a1, a1, a7 |
| ; RV32I-NEXT: slli t0, a1, 8 |
| ; RV32I-NEXT: add a1, a1, t0 |
| ; RV32I-NEXT: slli t0, a1, 16 |
| ; RV32I-NEXT: add a1, a1, t0 |
| ; RV32I-NEXT: srli a1, a1, 24 |
| ; RV32I-NEXT: add a1, a1, a3 |
| ; RV32I-NEXT: srli a3, a4, 1 |
| ; RV32I-NEXT: and a3, a3, a6 |
| ; RV32I-NEXT: sub a4, a4, a3 |
| ; RV32I-NEXT: and a3, a4, a5 |
| ; RV32I-NEXT: srli a4, a4, 2 |
| ; RV32I-NEXT: and a4, a4, a5 |
| ; RV32I-NEXT: add a3, a3, a4 |
| ; RV32I-NEXT: srli a4, a3, 4 |
| ; RV32I-NEXT: add a3, a3, a4 |
| ; RV32I-NEXT: and a3, a3, a7 |
| ; RV32I-NEXT: slli a4, a3, 8 |
| ; RV32I-NEXT: add a3, a3, a4 |
| ; RV32I-NEXT: slli a4, a3, 16 |
| ; RV32I-NEXT: add a3, a3, a4 |
| ; RV32I-NEXT: srli a3, a3, 24 |
| ; RV32I-NEXT: srli a4, a2, 1 |
| ; RV32I-NEXT: and a4, a4, a6 |
| ; RV32I-NEXT: sub a2, a2, a4 |
| ; RV32I-NEXT: and a4, a2, a5 |
| ; RV32I-NEXT: srli a2, a2, 2 |
| ; RV32I-NEXT: and a2, a2, a5 |
| ; RV32I-NEXT: add a2, a4, a2 |
| ; RV32I-NEXT: srli a4, a2, 4 |
| ; RV32I-NEXT: add a2, a2, a4 |
| ; RV32I-NEXT: and a2, a2, a7 |
| ; RV32I-NEXT: slli a4, a2, 8 |
| ; RV32I-NEXT: add a2, a2, a4 |
| ; RV32I-NEXT: slli a4, a2, 16 |
| ; RV32I-NEXT: add a2, a2, a4 |
| ; RV32I-NEXT: srli a2, a2, 24 |
| ; RV32I-NEXT: add a2, a2, a3 |
| ; RV32I-NEXT: sw zero, 12(a0) |
| ; RV32I-NEXT: sw zero, 4(a0) |
| ; RV32I-NEXT: sw a2, 8(a0) |
| ; RV32I-NEXT: sw a1, 0(a0) |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: ctpop_v2i64: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: lw a2, 4(a1) |
| ; RV32ZBB-NEXT: lw a3, 0(a1) |
| ; RV32ZBB-NEXT: lw a4, 8(a1) |
| ; RV32ZBB-NEXT: lw a1, 12(a1) |
| ; RV32ZBB-NEXT: cpop a2, a2 |
| ; RV32ZBB-NEXT: cpop a3, a3 |
| ; RV32ZBB-NEXT: add a2, a3, a2 |
| ; RV32ZBB-NEXT: cpop a1, a1 |
| ; RV32ZBB-NEXT: cpop a3, a4 |
| ; RV32ZBB-NEXT: add a1, a3, a1 |
| ; RV32ZBB-NEXT: sw zero, 12(a0) |
| ; RV32ZBB-NEXT: sw zero, 4(a0) |
| ; RV32ZBB-NEXT: sw a1, 8(a0) |
| ; RV32ZBB-NEXT: sw a2, 0(a0) |
| ; RV32ZBB-NEXT: ret |
| %1 = call <2 x i64> @llvm.ctpop.v2i64(<2 x i64> %a) |
| ret <2 x i64> %1 |
| } |
| |
| define <2 x i1> @ctpop_v2i64_ult_two(<2 x i64> %a) nounwind { |
| ; RV32I-LABEL: ctpop_v2i64_ult_two: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: lw a1, 0(a0) |
| ; RV32I-NEXT: lw a2, 12(a0) |
| ; RV32I-NEXT: lw a3, 8(a0) |
| ; RV32I-NEXT: lw a0, 4(a0) |
| ; RV32I-NEXT: addi a4, a1, -1 |
| ; RV32I-NEXT: and a4, a1, a4 |
| ; RV32I-NEXT: seqz a1, a1 |
| ; RV32I-NEXT: sub a1, a0, a1 |
| ; RV32I-NEXT: and a0, a0, a1 |
| ; RV32I-NEXT: or a0, a4, a0 |
| ; RV32I-NEXT: seqz a0, a0 |
| ; RV32I-NEXT: addi a1, a3, -1 |
| ; RV32I-NEXT: and a1, a3, a1 |
| ; RV32I-NEXT: seqz a3, a3 |
| ; RV32I-NEXT: sub a3, a2, a3 |
| ; RV32I-NEXT: and a2, a2, a3 |
| ; RV32I-NEXT: or a1, a1, a2 |
| ; RV32I-NEXT: seqz a1, a1 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: ctpop_v2i64_ult_two: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: lw a1, 12(a0) |
| ; RV32ZBB-NEXT: lw a2, 8(a0) |
| ; RV32ZBB-NEXT: lw a3, 0(a0) |
| ; RV32ZBB-NEXT: lw a0, 4(a0) |
| ; RV32ZBB-NEXT: cpop a1, a1 |
| ; RV32ZBB-NEXT: cpop a2, a2 |
| ; RV32ZBB-NEXT: add a1, a2, a1 |
| ; RV32ZBB-NEXT: cpop a0, a0 |
| ; RV32ZBB-NEXT: cpop a2, a3 |
| ; RV32ZBB-NEXT: add a0, a2, a0 |
| ; RV32ZBB-NEXT: sltiu a0, a0, 2 |
| ; RV32ZBB-NEXT: sltiu a1, a1, 2 |
| ; RV32ZBB-NEXT: ret |
| %1 = call <2 x i64> @llvm.ctpop.v2i64(<2 x i64> %a) |
| %2 = icmp ult <2 x i64> %1, <i64 2, i64 2> |
| ret <2 x i1> %2 |
| } |
| |
| define <2 x i1> @ctpop_v2i64_ugt_one(<2 x i64> %a) nounwind { |
| ; RV32I-LABEL: ctpop_v2i64_ugt_one: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: lw a1, 0(a0) |
| ; RV32I-NEXT: lw a2, 12(a0) |
| ; RV32I-NEXT: lw a3, 8(a0) |
| ; RV32I-NEXT: lw a0, 4(a0) |
| ; RV32I-NEXT: addi a4, a1, -1 |
| ; RV32I-NEXT: and a4, a1, a4 |
| ; RV32I-NEXT: seqz a1, a1 |
| ; RV32I-NEXT: sub a1, a0, a1 |
| ; RV32I-NEXT: and a0, a0, a1 |
| ; RV32I-NEXT: or a0, a4, a0 |
| ; RV32I-NEXT: snez a0, a0 |
| ; RV32I-NEXT: addi a1, a3, -1 |
| ; RV32I-NEXT: and a1, a3, a1 |
| ; RV32I-NEXT: seqz a3, a3 |
| ; RV32I-NEXT: sub a3, a2, a3 |
| ; RV32I-NEXT: and a2, a2, a3 |
| ; RV32I-NEXT: or a1, a1, a2 |
| ; RV32I-NEXT: snez a1, a1 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: ctpop_v2i64_ugt_one: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: lw a1, 12(a0) |
| ; RV32ZBB-NEXT: lw a2, 8(a0) |
| ; RV32ZBB-NEXT: lw a3, 0(a0) |
| ; RV32ZBB-NEXT: lw a0, 4(a0) |
| ; RV32ZBB-NEXT: cpop a1, a1 |
| ; RV32ZBB-NEXT: cpop a2, a2 |
| ; RV32ZBB-NEXT: add a1, a2, a1 |
| ; RV32ZBB-NEXT: cpop a0, a0 |
| ; RV32ZBB-NEXT: cpop a2, a3 |
| ; RV32ZBB-NEXT: add a0, a2, a0 |
| ; RV32ZBB-NEXT: sltiu a0, a0, 2 |
| ; RV32ZBB-NEXT: xori a0, a0, 1 |
| ; RV32ZBB-NEXT: sltiu a1, a1, 2 |
| ; RV32ZBB-NEXT: xori a1, a1, 1 |
| ; RV32ZBB-NEXT: ret |
| %1 = call <2 x i64> @llvm.ctpop.v2i64(<2 x i64> %a) |
| %2 = icmp ugt <2 x i64> %1, <i64 1, i64 1> |
| ret <2 x i1> %2 |
| } |
| |
| define <2 x i1> @ctpop_v2i64_eq_one(<2 x i64> %a) nounwind { |
| ; RV32I-LABEL: ctpop_v2i64_eq_one: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: mv a1, a0 |
| ; RV32I-NEXT: lw a2, 12(a0) |
| ; RV32I-NEXT: lw a0, 4(a0) |
| ; RV32I-NEXT: lw a3, 0(a1) |
| ; RV32I-NEXT: beqz a0, .LBB22_3 |
| ; RV32I-NEXT: # %bb.1: |
| ; RV32I-NEXT: seqz a3, a3 |
| ; RV32I-NEXT: sub a3, a0, a3 |
| ; RV32I-NEXT: xor a0, a0, a3 |
| ; RV32I-NEXT: sltu a0, a3, a0 |
| ; RV32I-NEXT: lw a1, 8(a1) |
| ; RV32I-NEXT: bnez a2, .LBB22_4 |
| ; RV32I-NEXT: .LBB22_2: |
| ; RV32I-NEXT: addi a2, a1, -1 |
| ; RV32I-NEXT: xor a1, a1, a2 |
| ; RV32I-NEXT: sltu a1, a2, a1 |
| ; RV32I-NEXT: ret |
| ; RV32I-NEXT: .LBB22_3: |
| ; RV32I-NEXT: addi a0, a3, -1 |
| ; RV32I-NEXT: xor a3, a3, a0 |
| ; RV32I-NEXT: sltu a0, a0, a3 |
| ; RV32I-NEXT: lw a1, 8(a1) |
| ; RV32I-NEXT: beqz a2, .LBB22_2 |
| ; RV32I-NEXT: .LBB22_4: |
| ; RV32I-NEXT: seqz a1, a1 |
| ; RV32I-NEXT: sub a1, a2, a1 |
| ; RV32I-NEXT: xor a2, a2, a1 |
| ; RV32I-NEXT: sltu a1, a1, a2 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: ctpop_v2i64_eq_one: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: lw a1, 12(a0) |
| ; RV32ZBB-NEXT: lw a2, 8(a0) |
| ; RV32ZBB-NEXT: lw a3, 0(a0) |
| ; RV32ZBB-NEXT: lw a0, 4(a0) |
| ; RV32ZBB-NEXT: cpop a1, a1 |
| ; RV32ZBB-NEXT: cpop a2, a2 |
| ; RV32ZBB-NEXT: add a1, a2, a1 |
| ; RV32ZBB-NEXT: cpop a0, a0 |
| ; RV32ZBB-NEXT: cpop a2, a3 |
| ; RV32ZBB-NEXT: add a0, a2, a0 |
| ; RV32ZBB-NEXT: addi a0, a0, -1 |
| ; RV32ZBB-NEXT: seqz a0, a0 |
| ; RV32ZBB-NEXT: addi a1, a1, -1 |
| ; RV32ZBB-NEXT: seqz a1, a1 |
| ; RV32ZBB-NEXT: ret |
| %1 = call <2 x i64> @llvm.ctpop.v2i64(<2 x i64> %a) |
| %2 = icmp eq <2 x i64> %1, <i64 1, i64 1> |
| ret <2 x i1> %2 |
| } |
| |
| define <2 x i1> @ctpop_v2i64_ne_one(<2 x i64> %a) nounwind { |
| ; RV32I-LABEL: ctpop_v2i64_ne_one: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: lw a1, 12(a0) |
| ; RV32I-NEXT: lw a2, 4(a0) |
| ; RV32I-NEXT: lw a3, 0(a0) |
| ; RV32I-NEXT: beqz a2, .LBB23_2 |
| ; RV32I-NEXT: # %bb.1: |
| ; RV32I-NEXT: seqz a3, a3 |
| ; RV32I-NEXT: sub a3, a2, a3 |
| ; RV32I-NEXT: xor a2, a2, a3 |
| ; RV32I-NEXT: sltu a2, a3, a2 |
| ; RV32I-NEXT: j .LBB23_3 |
| ; RV32I-NEXT: .LBB23_2: |
| ; RV32I-NEXT: addi a2, a3, -1 |
| ; RV32I-NEXT: xor a3, a3, a2 |
| ; RV32I-NEXT: sltu a2, a2, a3 |
| ; RV32I-NEXT: .LBB23_3: |
| ; RV32I-NEXT: lw a3, 8(a0) |
| ; RV32I-NEXT: xori a0, a2, 1 |
| ; RV32I-NEXT: beqz a1, .LBB23_5 |
| ; RV32I-NEXT: # %bb.4: |
| ; RV32I-NEXT: seqz a2, a3 |
| ; RV32I-NEXT: sub a2, a1, a2 |
| ; RV32I-NEXT: xor a1, a1, a2 |
| ; RV32I-NEXT: sltu a1, a2, a1 |
| ; RV32I-NEXT: xori a1, a1, 1 |
| ; RV32I-NEXT: ret |
| ; RV32I-NEXT: .LBB23_5: |
| ; RV32I-NEXT: addi a1, a3, -1 |
| ; RV32I-NEXT: xor a3, a3, a1 |
| ; RV32I-NEXT: sltu a1, a1, a3 |
| ; RV32I-NEXT: xori a1, a1, 1 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: ctpop_v2i64_ne_one: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: lw a1, 12(a0) |
| ; RV32ZBB-NEXT: lw a2, 8(a0) |
| ; RV32ZBB-NEXT: lw a3, 0(a0) |
| ; RV32ZBB-NEXT: lw a0, 4(a0) |
| ; RV32ZBB-NEXT: cpop a1, a1 |
| ; RV32ZBB-NEXT: cpop a2, a2 |
| ; RV32ZBB-NEXT: add a1, a2, a1 |
| ; RV32ZBB-NEXT: cpop a0, a0 |
| ; RV32ZBB-NEXT: cpop a2, a3 |
| ; RV32ZBB-NEXT: add a0, a2, a0 |
| ; RV32ZBB-NEXT: addi a0, a0, -1 |
| ; RV32ZBB-NEXT: snez a0, a0 |
| ; RV32ZBB-NEXT: addi a1, a1, -1 |
| ; RV32ZBB-NEXT: snez a1, a1 |
| ; RV32ZBB-NEXT: ret |
| %1 = call <2 x i64> @llvm.ctpop.v2i64(<2 x i64> %a) |
| %2 = icmp ne <2 x i64> %1, <i64 1, i64 1> |
| ret <2 x i1> %2 |
| } |
| |
| define i32 @sextb_i32(i32 %a) nounwind { |
| ; RV32I-LABEL: sextb_i32: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: slli a0, a0, 24 |
| ; RV32I-NEXT: srai a0, a0, 24 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: sextb_i32: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: sext.b a0, a0 |
| ; RV32ZBB-NEXT: ret |
| %shl = shl i32 %a, 24 |
| %shr = ashr exact i32 %shl, 24 |
| ret i32 %shr |
| } |
| |
| define i64 @sextb_i64(i64 %a) nounwind { |
| ; RV32I-LABEL: sextb_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 |
| ; |
| ; RV32ZBB-LABEL: sextb_i64: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: sext.b a0, a0 |
| ; RV32ZBB-NEXT: srai a1, a0, 31 |
| ; RV32ZBB-NEXT: ret |
| %shl = shl i64 %a, 56 |
| %shr = ashr exact i64 %shl, 56 |
| ret i64 %shr |
| } |
| |
| define i32 @sexth_i32(i32 %a) nounwind { |
| ; RV32I-LABEL: sexth_i32: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: slli a0, a0, 16 |
| ; RV32I-NEXT: srai a0, a0, 16 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: sexth_i32: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: sext.h a0, a0 |
| ; RV32ZBB-NEXT: ret |
| %shl = shl i32 %a, 16 |
| %shr = ashr exact i32 %shl, 16 |
| ret i32 %shr |
| } |
| |
| define i64 @sexth_i64(i64 %a) nounwind { |
| ; RV32I-LABEL: sexth_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 |
| ; |
| ; RV32ZBB-LABEL: sexth_i64: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: sext.h a0, a0 |
| ; RV32ZBB-NEXT: srai a1, a0, 31 |
| ; RV32ZBB-NEXT: ret |
| %shl = shl i64 %a, 48 |
| %shr = ashr exact i64 %shl, 48 |
| ret i64 %shr |
| } |
| |
| define i32 @min_i32(i32 %a, i32 %b) nounwind { |
| ; RV32I-LABEL: min_i32: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: blt a0, a1, .LBB28_2 |
| ; RV32I-NEXT: # %bb.1: |
| ; RV32I-NEXT: mv a0, a1 |
| ; RV32I-NEXT: .LBB28_2: |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: min_i32: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: min a0, a0, a1 |
| ; RV32ZBB-NEXT: ret |
| %cmp = icmp slt i32 %a, %b |
| %cond = select i1 %cmp, i32 %a, i32 %b |
| ret i32 %cond |
| } |
| |
| ; As we are not matching directly i64 code patterns on RV32 some i64 patterns |
| ; don't have yet any matching bit manipulation instructions on RV32. |
| ; This test is presented here in case future expansions of the Bitmanip |
| ; extensions introduce instructions suitable for this pattern. |
| |
| define i64 @min_i64(i64 %a, i64 %b) nounwind { |
| ; CHECK-LABEL: min_i64: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: beq a1, a3, .LBB29_2 |
| ; CHECK-NEXT: # %bb.1: |
| ; CHECK-NEXT: slt a4, a1, a3 |
| ; CHECK-NEXT: beqz a4, .LBB29_3 |
| ; CHECK-NEXT: j .LBB29_4 |
| ; CHECK-NEXT: .LBB29_2: |
| ; CHECK-NEXT: sltu a4, a0, a2 |
| ; CHECK-NEXT: bnez a4, .LBB29_4 |
| ; CHECK-NEXT: .LBB29_3: |
| ; CHECK-NEXT: mv a0, a2 |
| ; CHECK-NEXT: mv a1, a3 |
| ; CHECK-NEXT: .LBB29_4: |
| ; CHECK-NEXT: ret |
| %cmp = icmp slt i64 %a, %b |
| %cond = select i1 %cmp, i64 %a, i64 %b |
| ret i64 %cond |
| } |
| |
| define i32 @max_i32(i32 %a, i32 %b) nounwind { |
| ; RV32I-LABEL: max_i32: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: blt a1, a0, .LBB30_2 |
| ; RV32I-NEXT: # %bb.1: |
| ; RV32I-NEXT: mv a0, a1 |
| ; RV32I-NEXT: .LBB30_2: |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: max_i32: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: max a0, a0, a1 |
| ; RV32ZBB-NEXT: ret |
| %cmp = icmp sgt i32 %a, %b |
| %cond = select i1 %cmp, i32 %a, i32 %b |
| ret i32 %cond |
| } |
| |
| ; As we are not matching directly i64 code patterns on RV32 some i64 patterns |
| ; don't have yet any matching bit manipulation instructions on RV32. |
| ; This test is presented here in case future expansions of the Bitmanip |
| ; extensions introduce instructions suitable for this pattern. |
| |
| define i64 @max_i64(i64 %a, i64 %b) nounwind { |
| ; CHECK-LABEL: max_i64: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: beq a1, a3, .LBB31_2 |
| ; CHECK-NEXT: # %bb.1: |
| ; CHECK-NEXT: slt a4, a3, a1 |
| ; CHECK-NEXT: beqz a4, .LBB31_3 |
| ; CHECK-NEXT: j .LBB31_4 |
| ; CHECK-NEXT: .LBB31_2: |
| ; CHECK-NEXT: sltu a4, a2, a0 |
| ; CHECK-NEXT: bnez a4, .LBB31_4 |
| ; CHECK-NEXT: .LBB31_3: |
| ; CHECK-NEXT: mv a0, a2 |
| ; CHECK-NEXT: mv a1, a3 |
| ; CHECK-NEXT: .LBB31_4: |
| ; CHECK-NEXT: ret |
| %cmp = icmp sgt i64 %a, %b |
| %cond = select i1 %cmp, i64 %a, i64 %b |
| ret i64 %cond |
| } |
| |
| define i32 @minu_i32(i32 %a, i32 %b) nounwind { |
| ; RV32I-LABEL: minu_i32: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: bltu a0, a1, .LBB32_2 |
| ; RV32I-NEXT: # %bb.1: |
| ; RV32I-NEXT: mv a0, a1 |
| ; RV32I-NEXT: .LBB32_2: |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: minu_i32: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: minu a0, a0, a1 |
| ; RV32ZBB-NEXT: ret |
| %cmp = icmp ult i32 %a, %b |
| %cond = select i1 %cmp, i32 %a, i32 %b |
| ret i32 %cond |
| } |
| |
| ; As we are not matching directly i64 code patterns on RV32 some i64 patterns |
| ; don't have yet any matching bit manipulation instructions on RV32. |
| ; This test is presented here in case future expansions of the Bitmanip |
| ; extensions introduce instructions suitable for this pattern. |
| |
| define i64 @minu_i64(i64 %a, i64 %b) nounwind { |
| ; CHECK-LABEL: minu_i64: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: beq a1, a3, .LBB33_2 |
| ; CHECK-NEXT: # %bb.1: |
| ; CHECK-NEXT: sltu a4, a1, a3 |
| ; CHECK-NEXT: beqz a4, .LBB33_3 |
| ; CHECK-NEXT: j .LBB33_4 |
| ; CHECK-NEXT: .LBB33_2: |
| ; CHECK-NEXT: sltu a4, a0, a2 |
| ; CHECK-NEXT: bnez a4, .LBB33_4 |
| ; CHECK-NEXT: .LBB33_3: |
| ; CHECK-NEXT: mv a0, a2 |
| ; CHECK-NEXT: mv a1, a3 |
| ; CHECK-NEXT: .LBB33_4: |
| ; CHECK-NEXT: ret |
| %cmp = icmp ult i64 %a, %b |
| %cond = select i1 %cmp, i64 %a, i64 %b |
| ret i64 %cond |
| } |
| |
| define i32 @maxu_i32(i32 %a, i32 %b) nounwind { |
| ; RV32I-LABEL: maxu_i32: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: bltu a1, a0, .LBB34_2 |
| ; RV32I-NEXT: # %bb.1: |
| ; RV32I-NEXT: mv a0, a1 |
| ; RV32I-NEXT: .LBB34_2: |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: maxu_i32: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: maxu a0, a0, a1 |
| ; RV32ZBB-NEXT: ret |
| %cmp = icmp ugt i32 %a, %b |
| %cond = select i1 %cmp, i32 %a, i32 %b |
| ret i32 %cond |
| } |
| |
| ; As we are not matching directly i64 code patterns on RV32 some i64 patterns |
| ; don't have yet any matching bit manipulation instructions on RV32. |
| ; This test is presented here in case future expansions of the Bitmanip |
| ; extensions introduce instructions suitable for this pattern. |
| |
| define i64 @maxu_i64(i64 %a, i64 %b) nounwind { |
| ; CHECK-LABEL: maxu_i64: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: beq a1, a3, .LBB35_2 |
| ; CHECK-NEXT: # %bb.1: |
| ; CHECK-NEXT: sltu a4, a3, a1 |
| ; CHECK-NEXT: beqz a4, .LBB35_3 |
| ; CHECK-NEXT: j .LBB35_4 |
| ; CHECK-NEXT: .LBB35_2: |
| ; CHECK-NEXT: sltu a4, a2, a0 |
| ; CHECK-NEXT: bnez a4, .LBB35_4 |
| ; CHECK-NEXT: .LBB35_3: |
| ; CHECK-NEXT: mv a0, a2 |
| ; CHECK-NEXT: mv a1, a3 |
| ; CHECK-NEXT: .LBB35_4: |
| ; CHECK-NEXT: ret |
| %cmp = icmp ugt i64 %a, %b |
| %cond = select i1 %cmp, i64 %a, i64 %b |
| ret i64 %cond |
| } |
| |
| declare i32 @llvm.abs.i32(i32, i1 immarg) |
| |
| define i32 @abs_i32(i32 %x) { |
| ; RV32I-LABEL: abs_i32: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: srai a1, a0, 31 |
| ; RV32I-NEXT: xor a0, a0, a1 |
| ; RV32I-NEXT: sub a0, a0, a1 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: abs_i32: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: neg a1, a0 |
| ; RV32ZBB-NEXT: max a0, a0, a1 |
| ; RV32ZBB-NEXT: ret |
| %abs = tail call i32 @llvm.abs.i32(i32 %x, i1 true) |
| ret i32 %abs |
| } |
| |
| declare i64 @llvm.abs.i64(i64, i1 immarg) |
| |
| define i64 @abs_i64(i64 %x) { |
| ; CHECK-LABEL: abs_i64: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: bgez a1, .LBB37_2 |
| ; CHECK-NEXT: # %bb.1: |
| ; CHECK-NEXT: snez a2, a0 |
| ; CHECK-NEXT: neg a0, a0 |
| ; CHECK-NEXT: neg a1, a1 |
| ; CHECK-NEXT: sub a1, a1, a2 |
| ; CHECK-NEXT: .LBB37_2: |
| ; CHECK-NEXT: ret |
| %abs = tail call i64 @llvm.abs.i64(i64 %x, i1 true) |
| ret i64 %abs |
| } |
| |
| define i32 @zexth_i32(i32 %a) nounwind { |
| ; RV32I-LABEL: zexth_i32: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: slli a0, a0, 16 |
| ; RV32I-NEXT: srli a0, a0, 16 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: zexth_i32: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: zext.h a0, a0 |
| ; RV32ZBB-NEXT: ret |
| %and = and i32 %a, 65535 |
| ret i32 %and |
| } |
| |
| define i64 @zexth_i64(i64 %a) nounwind { |
| ; RV32I-LABEL: zexth_i64: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: slli a0, a0, 16 |
| ; RV32I-NEXT: srli a0, a0, 16 |
| ; RV32I-NEXT: li a1, 0 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: zexth_i64: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: zext.h a0, a0 |
| ; RV32ZBB-NEXT: li a1, 0 |
| ; RV32ZBB-NEXT: ret |
| %and = and i64 %a, 65535 |
| ret i64 %and |
| } |
| |
| declare i32 @llvm.bswap.i32(i32) |
| |
| define i32 @bswap_i32(i32 %a) nounwind { |
| ; RV32I-LABEL: 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 a3, a0, 24 |
| ; RV32I-NEXT: or a1, a1, a3 |
| ; RV32I-NEXT: and a2, a0, a2 |
| ; RV32I-NEXT: slli a2, a2, 8 |
| ; RV32I-NEXT: slli a0, a0, 24 |
| ; RV32I-NEXT: or a0, a0, a2 |
| ; RV32I-NEXT: or a0, a0, a1 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV32ZBB-LABEL: bswap_i32: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: rev8 a0, a0 |
| ; RV32ZBB-NEXT: ret |
| %1 = tail call i32 @llvm.bswap.i32(i32 %a) |
| ret i32 %1 |
| } |
| |
| declare i64 @llvm.bswap.i64(i64) |
| |
| define i64 @bswap_i64(i64 %a) { |
| ; RV32I-LABEL: 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: and a4, a1, a3 |
| ; RV32I-NEXT: slli a4, a4, 8 |
| ; 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 a4, a0, 24 |
| ; RV32I-NEXT: or a1, a1, a4 |
| ; RV32I-NEXT: and a3, a0, a3 |
| ; RV32I-NEXT: slli a3, a3, 8 |
| ; 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 |
| ; |
| ; RV32ZBB-LABEL: bswap_i64: |
| ; RV32ZBB: # %bb.0: |
| ; RV32ZBB-NEXT: rev8 a2, a1 |
| ; RV32ZBB-NEXT: rev8 a1, a0 |
| ; RV32ZBB-NEXT: mv a0, a2 |
| ; RV32ZBB-NEXT: ret |
| %1 = call i64 @llvm.bswap.i64(i64 %a) |
| ret i64 %1 |
| } |
