File: thumb2-execute-only-long-calls.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 (35 lines) | stat: -rw-r--r-- 1,101 bytes parent folder | download | duplicates (12) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
 
; RUN: llc < %s -mtriple=thumbv7em-arm-none-eabi -relocation-model=static | FileCheck %s -check-prefixes=CHECK,STATIC
; RUN: llc < %s -mtriple=thumbv7em-arm-none-eabi -relocation-model=rwpi | FileCheck %s -check-prefixes=CHECK,RWPI

define void @fn() #0 {
entry:
; CHECK-LABEL: fn:
; CHECK:       ldr [[REG:r[0-9]+]], .LCPI0_0
; CHECK-NEXT:  blx [[REG]]
; CHECK:       .LCPI0_0:
; CHECK-NEXT:  .long   bar
  call void @bar()
  ret void
}

define void @execute_only_fn() #1 {
; STATIC-LABEL: execute_only_fn:
; STATIC:       movw    [[REG0:r[0-9]+]], :lower16:bar
; STATIC-NEXT:  movt    [[REG0]], :upper16:bar
; STATIC-NEXT:  blx     [[REG0]]
; STATIC-NOT:   .LCPI0_0:

; RWPI-LABEL: execute_only_fn:
; RWPI:       movw    [[REG0:r[0-9]+]], :lower16:bar
; RWPI-NEXT:  movt    [[REG0]], :upper16:bar
; RWPI-NEXT:  blx     [[REG0]]
; RWPI-NOT:   .LCPI1_0:
entry:
  call void @bar()
  ret void
}

attributes #0 = { noinline optnone "target-features"="+thumb-mode,+long-calls" }
attributes #1 = { noinline optnone "target-features"="+execute-only,+thumb-mode,+long-calls" }

declare dso_local void @bar()