File: arm64-2012-05-09-LOADgot-bug.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 (22 lines) | stat: -rw-r--r-- 878 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
; RUN: llc -mtriple=arm64-apple-ios < %s | FileCheck %s
; RUN: llc -mtriple=arm64-linux-gnu -relocation-model=pic < %s | FileCheck %s --check-prefix=CHECK-LINUX
; <rdar://problem/11392109>

define hidden void @t(ptr %addr) optsize ssp {
entry:
  store i64 zext (i32 ptrtoint (ptr @x to i32) to i64), ptr %addr, align 8
; CHECK:             adrp    x{{[0-9]+}}, _x@GOTPAGE
; CHECK:        ldr     x{{[0-9]+}}, [x{{[0-9]+}}, _x@GOTPAGEOFF]
; CHECK-NEXT:        and     x{{[0-9]+}}, x{{[0-9]+}}, #0xffffffff
; CHECK-NEXT:        str     x{{[0-9]+}}, [x{{[0-9]+}}]
  ret void
}

declare i64 @x(i32) optsize

; Worth checking the Linux code is sensible too: only way to access
; the GOT is via a 64-bit load. Just loading wN is unacceptable
; (there's no ELF relocation to do that).

; CHECK-LINUX: adrp {{x[0-9]+}}, :got:x
; CHECK-LINUX: ldr {{x[0-9]+}}, [{{x[0-9]+}}, :got_lo12:x]