File: arm64-extend.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (15 lines) | stat: -rw-r--r-- 505 bytes parent folder | download | duplicates (12) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
 
; RUN: llc < %s -mtriple=arm64-apple-ios | FileCheck %s
@array = external global [0 x i32]

define i64 @foo(i32 %i) {
; CHECK: foo
; CHECK:  adrp  x[[REG:[0-9]+]], _array@GOTPAGE
; CHECK:  ldr x[[REG1:[0-9]+]], [x[[REG]], _array@GOTPAGEOFF]
; CHECK:  ldrsw x0, [x[[REG1]], w0, sxtw #2]
; CHECK:  ret
  %idxprom = sext i32 %i to i64
  %arrayidx = getelementptr inbounds [0 x i32], ptr @array, i64 0, i64 %idxprom
  %tmp1 = load i32, ptr %arrayidx, align 4
  %conv = sext i32 %tmp1 to i64
  ret i64 %conv
}