1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 2; RUN: llc < %s -mtriple=riscv64 | FileCheck %s 3 4declare void @use(i32) 5 6define i32 @f(i32 %x) nounwind { 7; CHECK-LABEL: f: 8; CHECK: # %bb.0: 9; CHECK-NEXT: addi sp, sp, -16 10; CHECK-NEXT: sd ra, 8(sp) # 8-byte Folded Spill 11; CHECK-NEXT: sd s0, 0(sp) # 8-byte Folded Spill 12; CHECK-NEXT: mv s0, a0 13; CHECK-NEXT: negw a0, a0 14; CHECK-NEXT: call use 15; CHECK-NEXT: li a0, 4 16; CHECK-NEXT: subw a0, a0, s0 17; CHECK-NEXT: ld ra, 8(sp) # 8-byte Folded Reload 18; CHECK-NEXT: ld s0, 0(sp) # 8-byte Folded Reload 19; CHECK-NEXT: addi sp, sp, 16 20; CHECK-NEXT: ret 21 %sub1 = sub nuw i32 0, %x 22 call void @use(i32 %sub1) 23 %sub2 = sub i32 1, %x 24 %sub3 = sub i32 3, %x 25 %mul = mul i32 %x, 1 26 %add1 = add i32 %sub2, %mul 27 %add2 = add i32 %add1, %sub3 28 ret i32 %add2 29} 30