test/CodeGen/ARM/GlobalISel/thumb-isel-globals-static.ll

   1 ; RUN: llc -mtriple thumbv7-linux -relocation-model=static -global-isel %s -o - | FileCheck %s -check-prefixes=CHECK,ELF,ELF-MOVT
   2 ; RUN: llc -mtriple thumbv7-linux -relocation-model=static -mattr=+no-movt -global-isel %s -o - | FileCheck %s -check-prefixes=CHECK,ELF,ELF-NOMOVT
   3 ; RUN: llc -mtriple thumbv7-darwin -relocation-model=static -global-isel %s -o - | FileCheck %s -check-prefixes=CHECK,DARWIN,DARWIN-MOVT
   4 ; RUN: llc -mtriple thumbv7-darwin -relocation-model=static -mattr=+no-movt -global-isel %s -o - | FileCheck %s -check-prefixes=CHECK,DARWIN,DARWIN-NOMOVT
   5
   6 @internal_global = internal global i32 42
   7 define i32 @test_internal_global() {
   8 ; CHECK-LABEL: test_internal_global:
   9 ; ELF-MOVT: movw r[[ADDR:[0-9]+]], :lower16:internal_global
  10 ; ELF-MOVT-NEXT: movt r[[ADDR]], :upper16:internal_global
  11 ; ELF-NOMOVT: ldr r[[ADDR:[0-9]+]], [[LABEL:.L[[:alnum:]_]+]]
  12 ; DARWIN-MOVT: movw r[[ADDR:[0-9]+]], :lower16:_internal_global
  13 ; DARWIN-MOVT-NEXT: movt r[[ADDR]], :upper16:_internal_global
  14 ; DARWIN-NOMOVT: ldr r[[ADDR:[0-9]+]], [[LABEL:L[[:alnum:]_]+]]
  15 ; CHECK-NEXT: ldr r0, [r[[ADDR]]]
  16 ; CHECK-NEXT: bx lr
  17 ; ELF-NOMOVT: [[LABEL]]:
  18 ; ELF-NOMOVT-NEXT: .long internal_global
  19 ; DARWIN-NOMOVT: [[LABEL]]:
  20 ; DARWIN-NOMOVT-NEXT: .long _internal_global
  21
  22 entry:
  23   %v = load i32, i32* @internal_global
  24   ret i32 %v
  25 }
  26
  27 @external_global = external global i32
  28 define i32 @test_external_global() {
  29 ; CHECK-LABEL: test_external_global:
  30 ; ELF-MOVT: movw r[[ADDR:[0-9]+]], :lower16:external_global
  31 ; ELF-MOVT-NEXT: movt r[[ADDR]], :upper16:external_global
  32 ; ELF-NOMOVT: ldr r[[ADDR:[0-9]+]], [[CONST_POOL:.L[[:alnum:]_]+]]
  33 ; DARWIN-MOVT: movw r[[ADDR:[0-9]+]], :lower16:_external_global
  34 ; DARWIN-MOVT: movt r[[ADDR]], :upper16:_external_global
  35 ; DARWIN-NOMOVT: ldr r[[ADDR:[0-9]+]], [[LABEL:L[[:alnum:]_]+]]
  36 ; CHECK-NEXT: ldr r0, [r[[ADDR]]]
  37 ; CHECK-NEXT: bx lr
  38 ; ELF-NOMOVT: [[CONST_POOL]]:
  39 ; ELF-NOMOVT: .long external_global
  40 ; DARWIN-NOMOVT: [[LABEL]]:
  41 ; DARWIN-NOMOVT: .long _external_global
  42 entry:
  43   %v = load i32, i32* @external_global
  44   ret i32 %v
  45 }
  46
  47 ; ELF: internal_global:
  48 ; DARWIN: _internal_global:
  49 ; CHECK: .long 42
  50 ; ELF: .size internal_global, 4