test/CodeGen/ARM/clang-section.ll

   1 ;RUN: llc -mtriple=armv7-eabi %s -o - | FileCheck %s
   2 ;Test that global variables and functions are assigned to correct sections.
   3
   4 target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
   5 target triple = "armv7-arm-none-eabi"
   6
   7 @a = global i32 0, align 4 #0
   8 @b = global i32 1, align 4 #0
   9 @c = global [4 x i32] zeroinitializer, align 4 #0
  10 @d = global [5 x i16] zeroinitializer, align 2 #0
  11 @e = global [6 x i16] [i16 0, i16 0, i16 1, i16 0, i16 0, i16 0], align 2 #0
  12 @f = constant i32 2, align 4 #0
  13 @h = global i32 0, align 4 #1
  14 @i = global i32 0, align 4 #2
  15 @j = constant i32 4, align 4 #2
  16 @k = global i32 0, align 4 #2
  17 @_ZZ3gooE7lstat_h = internal global i32 0, align 4 #2
  18 @_ZL1g = internal global [2 x i32] zeroinitializer, align 4 #0
  19 @l = global i32 5, align 4 #3
  20 @m = constant i32 6, align 4 #3
  21 @n = global i32 0, align 4
  22 @o = global i32 6, align 4
  23 @p = constant i32 7, align 4
  24
  25 ; Function Attrs: noinline nounwind
  26 define i32 @foo() #4 {
  27 entry:
  28   %0 = load i32, i32* @b, align 4
  29   ret i32 %0
  30 }
  31
  32 ; Function Attrs: noinline
  33 define i32 @goo() #5 {
  34 entry:
  35   %call = call i32 @zoo(i32* getelementptr inbounds ([2 x i32], [2 x i32]* @_ZL1g, i32 0, i32 0), i32* @_ZZ3gooE7lstat_h)
  36   ret i32 %call
  37 }
  38
  39 declare i32 @zoo(i32*, i32*) #6
  40
  41 ; Function Attrs: noinline nounwind
  42 define i32 @hoo() #7 {
  43 entry:
  44   %0 = load i32, i32* @b, align 4
  45   ret i32 %0
  46 }
  47
  48 attributes #0 = { "bss-section"="my_bss.1" "data-section"="my_data.1" "rodata-section"="my_rodata.1" }
  49 attributes #1 = { "data-section"="my_data.1" "rodata-section"="my_rodata.1" }
  50 attributes #2 = { "bss-section"="my_bss.2" "rodata-section"="my_rodata.1" }
  51 attributes #3 = { "bss-section"="my_bss.2" "data-section"="my_data.2" "rodata-section"="my_rodata.2" }
  52 attributes #4 = { noinline nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "denormal-fp-math"="preserve-sign" "disable-tail-calls"="false" "implicit-section-name"="my_text.1" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="true" "no-jump-tables"="false" "no-nans-fp-math"="true" "no-signed-zeros-fp-math"="true" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="cortex-a9" "target-features"="+dsp,+fp16,+neon,+vfp3" "unsafe-fp-math"="false" "use-soft-float"="false" }
  53 attributes #5 = { noinline "correctly-rounded-divide-sqrt-fp-math"="false" "denormal-fp-math"="preserve-sign" "disable-tail-calls"="false" "implicit-section-name"="my_text.2" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="true" "no-jump-tables"="false" "no-nans-fp-math"="true" "no-signed-zeros-fp-math"="true" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="cortex-a9" "target-features"="+dsp,+fp16,+neon,+vfp3" "unsafe-fp-math"="false" "use-soft-float"="false" }
  54 attributes #6 = { "correctly-rounded-divide-sqrt-fp-math"="false" "denormal-fp-math"="preserve-sign" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "no-signed-zeros-fp-math"="true" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="cortex-a9" "target-features"="+dsp,+fp16,+neon,+vfp3" "unsafe-fp-math"="false" "use-soft-float"="false" }
  55 attributes #7 = { noinline nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "denormal-fp-math"="preserve-sign" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="true" "no-jump-tables"="false" "no-nans-fp-math"="true" "no-signed-zeros-fp-math"="true" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="cortex-a9" "target-features"="+dsp,+fp16,+neon,+vfp3" "unsafe-fp-math"="false" "use-soft-float"="false" }
  56
  57 !llvm.module.flags = !{!0, !1, !2, !3}
  58
  59 !0 = !{i32 1, !"wchar_size", i32 4}
  60 !1 = !{i32 1, !"static_rwdata", i32 1}
  61 !2 = !{i32 1, !"enumsize_buildattr", i32 2}
  62 !3 = !{i32 1, !"armlib_unavailable", i32 0}
  63
  64 ;CHECK:         .section        my_text.1,"ax",%progbits
  65 ;CHECK:         .type   foo,%function
  66 ;CHECK: foo:
  67
  68 ;CHECK:         .section        my_text.2,"ax",%progbits
  69 ;CHECK:         .type   goo,%function
  70 ;CHECK: goo:
  71
  72 ;CHECK:         .text
  73 ;CHECK:         .type   hoo,%function
  74 ;CHECK: hoo:
  75
  76 ;CHECK:         .type   a,%object
  77 ;CHECK:         .section        my_bss.1,"aw",%nobits
  78 ;CHECK: a:
  79
  80 ;CHECK:         .type   b,%object
  81 ;CHECK:         .section        my_data.1,"aw",%progbits
  82 ;CHECK: b:
  83
  84 ;CHECK:         .type   c,%object
  85 ;CHECK:         .section        my_bss.1,"aw",%nobits
  86 ;CHECK: c:
  87
  88 ;CHECK:         .type   d,%object
  89 ;CHECK: d:
  90
  91 ;CHECK:         .type   e,%object
  92 ;CHECK:         .section        my_data.1,"aw",%progbits
  93 ;CHECK: e:
  94
  95 ;CHECK:         .type   f,%object
  96 ;CHECK:         .section        my_rodata.1,"a",%progbits
  97 ;CHECK: f:
  98
  99 ;CHECK:         .type   h,%object
 100 ;CHECK:         .bss
 101 ;CHECK: h:
 102
 103 ;CHECK:         .type   i,%object
 104 ;CHECK:         .section        my_bss.2,"aw",%nobits
 105 ;CHECK: i:
 106
 107 ;CHECK:         .type   j,%object
 108 ;CHECK:         .section        my_rodata.1,"a",%progbits
 109 ;CHECK: j:
 110
 111 ;CHECK:         .type   k,%object
 112 ;CHECK:         .section        my_bss.2,"aw",%nobits
 113 ;CHECK: k:
 114
 115 ;CHECK:         .type   _ZZ3gooE7lstat_h,%object @ @_ZZ3gooE7lstat_h
 116 ;CHECK: _ZZ3gooE7lstat_h:
 117
 118 ;CHECK:         .type   _ZL1g,%object
 119 ;CHECK:         .section        my_bss.1,"aw",%nobits
 120 ;CHECK: _ZL1g:
 121
 122 ;CHECK:         .type   l,%object
 123 ;CHECK:         .section        my_data.2,"aw",%progbits
 124 ;CHECK: l:
 125
 126 ;CHECK:         .type   m,%object
 127 ;CHECK:         .section        my_rodata.2,"a",%progbits
 128 ;CHECK: m:
 129
 130 ;CHECK:         .type   n,%object
 131 ;CHECK:         .bss
 132 ;CHECK: n:
 133
 134 ;CHECK:         .type   o,%object
 135 ;CHECK:         .data
 136 ;CHECK: o:
 137
 138 ;CHECK:         .type   p,%object
 139 ;CHECK:         .section        .rodata,"a",%progbits
 140 ;CHECK: p: