File: sext-cheaper-than-zext.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 (15 lines) | stat: -rw-r--r-- 467 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc --mtriple=loongarch64 < %s | FileCheck %s

define signext i32 @sext_icmp(i32 signext %x, i32 signext %y) {
; CHECK-LABEL: sext_icmp:
; CHECK:       # %bb.0:
; CHECK-NEXT:    addi.w $a0, $a0, 1
; CHECK-NEXT:    xor $a0, $a0, $a1
; CHECK-NEXT:    sltu $a0, $zero, $a0
; CHECK-NEXT:    ret
  %1 = add nsw i32 %x, 1
  %2 = icmp ne i32 %1, %y
  %3 = zext i1 %2 to i32
  ret i32 %3
}