77 lines · plain
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 52; RUN: llc -mtriple=riscv64 < %s | FileCheck %s --check-prefixes=CHECK,NOZBS3; RUN: llc -mtriple=riscv64 -mattr=+zbs < %s | FileCheck %s --check-prefixes=CHECK,ZBS4 5define i64 @add_b31(i64 %x) {6; NOZBS-LABEL: add_b31:7; NOZBS: # %bb.0:8; NOZBS-NEXT: lui a1, 5242889; NOZBS-NEXT: sub a0, a0, a110; NOZBS-NEXT: ret11;12; ZBS-LABEL: add_b31:13; ZBS: # %bb.0:14; ZBS-NEXT: bseti a1, zero, 3115; ZBS-NEXT: add a0, a0, a116; ZBS-NEXT: ret17 %add = add i64 %x, 214748364818 ret i64 %add19}20 21define i64 @add_b32(i64 %x) {22; NOZBS-LABEL: add_b32:23; NOZBS: # %bb.0:24; NOZBS-NEXT: li a1, -125; NOZBS-NEXT: slli a1, a1, 3226; NOZBS-NEXT: add a0, a0, a127; NOZBS-NEXT: ret28;29; ZBS-LABEL: add_b32:30; ZBS: # %bb.0:31; ZBS-NEXT: bseti a1, zero, 3232; ZBS-NEXT: sub a0, a0, a133; ZBS-NEXT: ret34 %add = add i64 %x, -429496729635 ret i64 %add36}37 38define i64 @sub_0xffffffffff(i64 %x) {39; CHECK-LABEL: sub_0xffffffffff:40; CHECK: # %bb.0:41; CHECK-NEXT: li a1, -142; CHECK-NEXT: srli a1, a1, 2443; CHECK-NEXT: sub a0, a0, a144; CHECK-NEXT: ret45 %sub = sub i64 %x, 109951162777546 ret i64 %sub47}48 49define i64 @add_multiuse(i64 %x) {50; CHECK-LABEL: add_multiuse:51; CHECK: # %bb.0:52; CHECK-NEXT: li a1, -153; CHECK-NEXT: slli a1, a1, 4054; CHECK-NEXT: addi a1, a1, 155; CHECK-NEXT: add a0, a0, a156; CHECK-NEXT: and a0, a0, a157; CHECK-NEXT: ret58 %add = add i64 %x, -109951162777559 %and = and i64 %add, -109951162777560 ret i64 %and61}62 63define i64 @add_multiuse_const(i64 %x, i64 %y) {64; CHECK-LABEL: add_multiuse_const:65; CHECK: # %bb.0:66; CHECK-NEXT: li a2, -167; CHECK-NEXT: srli a2, a2, 2468; CHECK-NEXT: sub a0, a0, a269; CHECK-NEXT: sub a1, a1, a270; CHECK-NEXT: xor a0, a0, a171; CHECK-NEXT: ret72 %a = add i64 %x, -109951162777573 %b = add i64 %y, -109951162777574 %xor = xor i64 %a, %b75 ret i64 %xor76}77