File: arm64-extend.ll

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-11
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,418,840 kB
  • sloc: cpp: 5,290,826; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,898; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,913; xml: 953; cs: 573; fortran: 539
file content (15 lines) | stat: -rw-r--r-- 513 bytes parent folder | download | duplicates (21) 
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], [0 x i32]* @array, i64 0, i64 %idxprom
  %tmp1 = load i32, i32* %arrayidx, align 4
  %conv = sext i32 %tmp1 to i64
  ret i64 %conv
}