File: pr72777.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (24 lines) | stat: -rw-r--r-- 759 bytes parent folder | download | duplicates (10) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
; RUN: llc < %s -mtriple=aarch64 | FileCheck %s

define i64 @f(i64 %0, i64 %1) {
; CHECK-LABEL: f:
; CHECK:       // %bb.0:
; CHECK-NEXT:    orr x9, x1, #0x1
; CHECK-NEXT:    add x10, x0, x0
; CHECK-NEXT:    mov x8, #-9223372036854775808 // =0x8000000000000000
; CHECK-NEXT:    add x9, x9, x10
; CHECK-NEXT:    lsl x10, x9, #1
; CHECK-NEXT:    cmp x9, #0
; CHECK-NEXT:    cinv x8, x8, ge
; CHECK-NEXT:    cmp x9, x10, asr #1
; CHECK-NEXT:    csel x0, x8, x10, ne
; CHECK-NEXT:    ret
  %3 = or i64 1, %1
  %4 = add i64 %3, %0
  %5 = add nsw i64 %4, %0
  %6 = call i64 @llvm.sshl.sat.i64(i64 %5, i64 1)
  ret i64 %6
}

declare i64 @llvm.sshl.sat.i64(i64, i64)