File: pr55644.ll

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (19 lines) | stat: -rw-r--r-- 593 bytes parent folder | download | duplicates (18)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=aarch64-apple-darwin | FileCheck %s

define i1 @f(i2 %0) {
; CHECK-LABEL: f:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    sbfx w8, w0, #0, #2
; CHECK-NEXT:    lsl w8, w8, #1
; CHECK-NEXT:    neg w9, w8
; CHECK-NEXT:    lsl w9, w9, #30
; CHECK-NEXT:    cmn w8, w9, asr #30
; CHECK-NEXT:    cset w0, ne
; CHECK-NEXT:    ret
  %2 = call { i2, i1 } @llvm.smul.with.overflow.i2(i2 %0, i2 -2)
  %3 = extractvalue { i2, i1 } %2, 1
  ret i1 %3
}

declare { i2, i1 } @llvm.smul.with.overflow.i2(i2, i2)