test/CodeGen/ARM/stubs.ll

   1 ; RUN: llvm-as < %s | llc -relocation-model=static | FileCheck %s -check-prefix=STATIC
   2 ; RUN: llvm-as < %s | llc -relocation-model=pic | FileCheck %s -check-prefix=PIC
   3 ; RUN: llvm-as < %s | llc -relocation-model=dynamic-no-pic | FileCheck %s -check-prefix=DYNAMIC
   4 ; PR4482
   5 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
   6 target triple = "armv6-apple-darwin2"
   7
   8 define i32 @foo(i64 %x) nounwind {
   9 entry:
  10 ; STATIC: _foo:
  11 ; STATIC: bl _exact_log2
  12 ; STATIC: ldmfd sp!, {r7, pc}
  13 ; STATIC: .subsections_via_symbols
  14
  15 ; PIC: _foo:
  16 ; PIC: bl L_exact_log2$stub
  17 ; PIC: ldmfd sp!, {r7, pc}
  18
  19 ; DYNAMIC: _foo:
  20 ; DYNAMIC: bl L_exact_log2$stub
  21 ; DYNAMIC: ldmfd sp!, {r7, pc}
  22
  23         %A = call i32 @exact_log2(i64 %x)
  24         ret i32 %A
  25 }
  26
  27 define available_externally i32 @exact_log2(i64 %x) nounwind {
  28   ret i32 4
  29 }
  30
  31
  32 ; PIC: .section __TEXT,__picsymbolstub4,symbol_stubs,none,16
  33 ; PIC: L_exact_log2$stub:
  34 ; PIC: .indirect_symbol _exact_log2
  35 ; PIC: ldr ip, L_exact_log2$slp
  36 ; PIC: L_exact_log2$scv:
  37 ; PIC: add ip, pc, ip
  38 ; PIC: ldr pc, [ip, #0]
  39 ; PIC: L_exact_log2$slp:
  40 ; PIC: .long    L_exact_log2$lazy_ptr-(L_exact_log2$scv+8)
  41
  42 ; PIC: .section __DATA,__la_symbol_ptr,lazy_symbol_pointers
  43 ; PIC: L_exact_log2$lazy_ptr:
  44 ; PIC: .indirect_symbol _exact_log2
  45 ; PIC: .long    dyld_stub_binding_helper
  46
  47 ; PIC: .subsections_via_symbols
  48
  49
  50 ; DYNAMIC: .section __TEXT,__symbol_stub4,symbol_stubs,none,12
  51 ; DYNAMIC: L_exact_log2$stub:
  52 ; DYNAMIC: .indirect_symbol _exact_log2
  53 ; DYNAMIC: ldr ip, L_exact_log2$slp
  54 ; DYNAMIC: ldr pc, [ip, #0]
  55 ; DYNAMIC: L_exact_log2$slp:
  56 ; DYNAMIC: .long        L_exact_log2$lazy_ptr
  57
  58 ; DYNAMIC: .section __DATA,__la_symbol_ptr,lazy_symbol_pointers
  59 ; DYNAMIC: L_exact_log2$lazy_ptr:
  60 ; DYNAMIC: .indirect_symbol _exact_log2
  61 ; DYNAMIC: .long        dyld_stub_binding_helper
  62 ; DYNAMIC: .subsections_via_symbols
  63
  64
  65
  66
  67