File: addc-adde-sube-subc.ll

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (30 lines) | stat: -rw-r--r-- 855 bytes parent folder | download | duplicates (23) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \
; RUN:   | FileCheck -check-prefix=RV32I %s

; Ensure that the ISDOpcodes ADDC, ADDE, SUBC, SUBE are handled correctly

define i64 @addc_adde(i64 %a, i64 %b) nounwind {
; RV32I-LABEL: addc_adde:
; RV32I:       # %bb.0:
; RV32I-NEXT:    add a1, a1, a3
; RV32I-NEXT:    add a2, a0, a2
; RV32I-NEXT:    sltu a0, a2, a0
; RV32I-NEXT:    add a1, a1, a0
; RV32I-NEXT:    mv a0, a2
; RV32I-NEXT:    ret
  %1 = add i64 %a, %b
  ret i64 %1
}

define i64 @subc_sube(i64 %a, i64 %b) nounwind {
; RV32I-LABEL: subc_sube:
; RV32I:       # %bb.0:
; RV32I-NEXT:    sltu a4, a0, a2
; RV32I-NEXT:    sub a1, a1, a3
; RV32I-NEXT:    sub a1, a1, a4
; RV32I-NEXT:    sub a0, a0, a2
; RV32I-NEXT:    ret
  %1 = sub i64 %a, %b
  ret i64 %1
}