llvm/test/CodeGen/ARM/GlobalISel/arm-isel-globals-ropi-rwpi.ll

   1 ; RUN: llc -mtriple armv7-linux -relocation-model=ropi -mattr=-no-movt,+v8m -global-isel %s -o - | FileCheck %s -check-prefixes=CHECK,RW-DEFAULT-MOVT,RW-DEFAULT,ROPI-MOVT,ROPI
   2 ; RUN: llc -mtriple armv7-linux -relocation-model=ropi -mattr=+no-movt -global-isel %s -o - | FileCheck %s -check-prefixes=CHECK,RW-DEFAULT-NOMOVT,RW-DEFAULT,ROPI-NOMOVT,ROPI
   3 ; RUN: llc -mtriple armv7-linux -relocation-model=rwpi -mattr=-no-movt,+v8m -global-isel %s -o - | FileCheck %s -check-prefixes=CHECK,RO-DEFAULT-MOVT,RO-DEFAULT,RWPI-MOVT,RWPI
   4 ; RUN: llc -mtriple armv7-linux -relocation-model=rwpi -mattr=+no-movt -global-isel %s -o - | FileCheck %s -check-prefixes=CHECK,RO-DEFAULT-NOMOVT,RO-DEFAULT,RWPI-NOMOVT,RWPI
   5 ; RUN: llc -mtriple armv7-linux -relocation-model=ropi-rwpi -mattr=-no-movt,+v8m -global-isel %s -o - | FileCheck %s -check-prefixes=CHECK,ROPI-MOVT,ROPI,RWPI-MOVT,RWPI
   6 ; RUN: llc -mtriple armv7-linux -relocation-model=ropi-rwpi -mattr=+no-movt -global-isel %s -o - | FileCheck %s -check-prefixes=CHECK,ROPI-NOMOVT,ROPI,RWPI-NOMOVT,RWPI
   7
   8 @internal_global = internal global i32 42
   9 define i32 @test_internal_global() {
  10 ; CHECK-LABEL: test_internal_global:
  11 ; RW-DEFAULT-MOVT: movw r[[ADDR:[0-9]+]], :lower16:internal_global
  12 ; RW-DEFAULT-MOVT-NEXT: movt r[[ADDR]], :upper16:internal_global
  13 ; RW-DEFAULT-NOMOVT: ldr r[[ADDR:[0-9]+]], [[LABEL:.L[[:alnum:]_]+]]
  14 ; RW-DEFAULT-NEXT: ldr r0, [r[[ADDR]]]
  15 ; RW-DEFAULT-NEXT: bx lr
  16 ; RW-DEFAULT-NOMOVT: [[LABEL]]:
  17 ; RW-DEFAULT-NOMOVT-NEXT: .long internal_global
  18
  19 ; RWPI-MOVT: movw [[OFFSET:r[0-9]+]], :lower16:internal_global(sbrel)
  20 ; RWPI-MOVT-NEXT: movt [[OFFSET]], :upper16:internal_global(sbrel)
  21 ; RWPI-NOMOVT: ldr [[OFFSET:r[0-9]+]], [[LABEL:.L[[:alnum:]_]+]]
  22 ; RWPI-NEXT: add r[[ADDR:[0-9]+]], r9, [[OFFSET]]
  23 ; RWPI-NEXT: ldr r0, [r[[ADDR]]]
  24 ; RWPI-NEXT: bx lr
  25 ; RWPI-NOMOVT: [[LABEL]]:
  26 ; RWPI-NOMOVT-NEXT: .long internal_global(sbrel)
  27 entry:
  28   %v = load i32, ptr @internal_global
  29   ret i32 %v
  30 }
  31
  32 @external_global = external global i32
  33 define i32 @test_external_global() {
  34 ; CHECK-LABEL: test_external_global:
  35 ; RW-DEFAULT-MOVT: movw r[[ADDR:[0-9]+]], :lower16:external_global
  36 ; RW-DEFAULT-MOVT-NEXT: movt r[[ADDR]], :upper16:external_global
  37 ; RW-DEFAULT-NOMOVT: ldr r[[ADDR:[0-9]+]], [[LABEL:.L[[:alnum:]_]+]]
  38 ; RW-DEFAULT-NEXT: ldr r0, [r[[ADDR]]]
  39 ; RW-DEFAULT-NEXT: bx lr
  40 ; RW-DEFAULT-NOMOVT: [[LABEL]]:
  41 ; RW-DEFAULT-NOMOVT: .long external_global
  42
  43 ; RWPI-MOVT: movw [[OFFSET:r[0-9]+]], :lower16:external_global(sbrel)
  44 ; RWPI-MOVT-NEXT: movt [[OFFSET]], :upper16:external_global(sbrel)
  45 ; RWPI-NOMOVT: ldr [[OFFSET:r[0-9]+]], [[LABEL:.L[[:alnum:]_]+]]
  46 ; RWPI-NEXT: add r[[ADDR:[0-9]+]], r9, [[OFFSET]]
  47 ; RWPI-NEXT: ldr r0, [r[[ADDR]]]
  48 ; RWPI-NEXT: bx lr
  49 ; RWPI-NOMOVT: [[LABEL]]:
  50 ; RWPI-NOMOVT-NEXT: .long external_global(sbrel)
  51 entry:
  52   %v = load i32, ptr @external_global
  53   ret i32 %v
  54 }
  55
  56 @internal_constant = internal constant i32 42
  57 define i32 @test_internal_constant() {
  58 ; CHECK-LABEL: test_internal_constant:
  59 ; ROPI-MOVT: movw [[OFFSET:r[0-9]+]], :lower16:(internal_constant-([[ANCHOR:.L[[:alnum:]_]+]]+8)
  60 ; ROPI-MOVT-NEXT: movt [[OFFSET]], :upper16:(internal_constant-([[ANCHOR]]+8)
  61 ; ROPI-MOVT-NEXT: [[ANCHOR]]:
  62 ; ROPI-NOMOVT: ldr [[OFFSET:r[0-9]+]], [[LABEL:.L[[:alnum:]_]+]]
  63 ; ROPI-NOMOVT-NEXT: [[ANCHOR:.L[[:alnum:]_]+]]:
  64 ; ROPI-NEXT: add r[[ADDR:[0-9]+]], pc, [[OFFSET]]
  65 ; ROPI-NEXT: ldr r0, [r[[ADDR]]]
  66 ; ROPI-NEXT: bx lr
  67 ; ROPI-NOMOVT: [[LABEL]]:
  68 ; ROPI-NOMOVT-NEXT: .long internal_constant-([[ANCHOR]]+8)
  69
  70 ; RO-DEFAULT-MOVT: movw r[[ADDR:[0-9]+]], :lower16:internal_constant
  71 ; RO-DEFAULT-MOVT-NEXT: movt r[[ADDR]], :upper16:internal_constant
  72 ; RO-DEFAULT-NOMOVT: ldr r[[ADDR:[0-9]+]], [[LABEL:.L[[:alnum:]_]+]]
  73 ; RO-DEFAULT-NEXT: ldr r0, [r[[ADDR]]]
  74 ; RO-DEFAULT-NEXT: bx lr
  75 ; RO-DEFAULT-NOMOVT: [[LABEL]]:
  76 ; RO-DEFAULT-NOMOVT-NEXT: .long internal_constant
  77 entry:
  78   %v = load i32, ptr @internal_constant
  79   ret i32 %v
  80 }
  81
  82 @external_constant = external constant i32
  83 define i32 @test_external_constant() {
  84 ; CHECK-LABEL: test_external_constant:
  85 ; ROPI-MOVT: movw [[OFFSET:r[0-9]+]], :lower16:(external_constant-([[ANCHOR:.L[[:alnum:]_]+]]+8)
  86 ; ROPI-MOVT-NEXT: movt [[OFFSET]], :upper16:(external_constant-([[ANCHOR]]+8)
  87 ; ROPI-MOVT-NEXT: [[ANCHOR]]:
  88 ; ROPI-NOMOVT: ldr [[OFFSET:r[0-9]+]], [[LABEL:.L[[:alnum:]_]+]]
  89 ; ROPI-NOMOVT-NEXT: [[ANCHOR:.L[[:alnum:]_]+]]:
  90 ; ROPI-NEXT: add r[[ADDR:[0-9]+]], pc, [[OFFSET]]
  91 ; ROPI-NEXT: ldr r0, [r[[ADDR]]]
  92 ; ROPI-NEXT: bx lr
  93 ; ROPI-NOMOVT: [[LABEL]]:
  94 ; ROPI-NOMOVT-NEXT: .long external_constant-([[ANCHOR]]+8)
  95
  96 ; RO-DEFAULT-MOVT: movw r[[ADDR:[0-9]+]], :lower16:external_constant
  97 ; RO-DEFAULT-MOVT-NEXT: movt r[[ADDR]], :upper16:external_constant
  98 ; RO-DEFAULT-NOMOVT: ldr r[[ADDR:[0-9]+]], [[LABEL:.L[[:alnum:]_]+]]
  99 ; RO-DEFAULT-NEXT: ldr r0, [r[[ADDR]]]
 100 ; RO-DEFAULT-NEXT: bx lr
 101 ; RO-DEFAULT-NOMOVT: [[LABEL]]:
 102 ; RO-DEFAULT-NOMOVT: .long external_constant
 103 entry:
 104   %v = load i32, ptr @external_constant
 105   ret i32 %v
 106 }
 107
 108 ; RW-DEFAULT-NOMOVT: internal_global:
 109 ; RW-DEFAULT-NOMOVT: .long 42
 110 ; RW-DEFAULT-NOMOVT: .size internal_global, 4
 111
 112 ; RWPI-NOMOVT: internal_global:
 113 ; RWPI-NOMOVT: .long 42
 114 ; RWPI-NOMOVT: .size internal_global, 4
 115
 116 ; ROPI-NOMOVT: internal_constant:
 117 ; ROPI-NOMOVT: .long 42
 118 ; ROPI-NOMOVT: .size internal_constant, 4
 119
 120 ; RO-DEFAULT-NOMOVT: internal_constant:
 121 ; RO-DEFAULT-NOMOVT: .long 42
 122 ; RO-DEFAULT-NOMOVT: .size internal_constant, 4