1 ;; RUN: llc -mtriple=armv7-linux-gnueabi -O3 \ 2 ;; RUN: -mcpu=cortex-a8 -mattr=-neon -mattr=+vfp2 -arm-reserve-r9 \ 3 ;; RUN: -filetype=obj %s -o - | \ 4 ;; RUN: elf-dump --dump-section-data | FileCheck -check-prefix=OBJ %s 5 6 ;; FIXME: This file needs to be in .s form! 7 ;; The args to llc are there to constrain the codegen only. 8 ;; 9 ;; Ensure no regression on ARM/gcc compatibility for 10 ;; emitting explicit symbol relocs for nonexternal symbols 11 ;; versus section symbol relocs (with offset) - 12 ;; 13 ;; Default llvm behavior is to emit as section symbol relocs nearly 14 ;; everything that is not an undefined external. Unfortunately, this 15 ;; diverges from what codesourcery ARM/gcc does! 16 ;; 17 ;; Tests that reloc to _MergedGlobals show up as explicit symbol reloc 18 19 20 target triple = "armv7-none-linux-gnueabi" 21 22 @var_tls = thread_local global i32 1 23 @var_tls_double = thread_local global double 1.000000e+00 24 @var_static = internal global i32 1 25 @var_static_double = internal global double 1.000000e+00 26 @var_global = global i32 1 27 @var_global_double = global double 1.000000e+00 28 29 declare i32 @mystrlen(i8* nocapture %s) nounwind 30 31 declare void @myhextochar(i32 %n, i8* nocapture %buffer) 32 33 declare void @__aeabi_read_tp() nounwind 34 35 declare void @__nacl_read_tp() nounwind 36 37 define i32 @main(i32 %argc, i8** nocapture %argv) nounwind { 38 entry: 39 switch i32 %argc, label %bb3 [ 40 i32 555, label %bb 41 i32 6666, label %bb2 42 ] 43 44 bb: ; preds = %entry 45 volatile store i32 11, i32* @var_tls, align 4 46 volatile store double 2.200000e+01, double* @var_tls_double, align 8 47 volatile store i32 33, i32* @var_static, align 4 48 volatile store double 4.400000e+01, double* @var_static_double, align 8 49 volatile store i32 55, i32* @var_global, align 4 50 volatile store double 6.600000e+01, double* @var_global_double, align 8 51 br label %bb3 52 53 bb2: ; preds = %entry 54 ret i32 add (i32 add (i32 add (i32 ptrtoint (i32* @var_tls to i32), i32 add (i32 ptrtoint (i32* @var_static to i32), i32 ptrtoint (i32* @var_global to i32))), i32 ptrtoint (double* @var_tls_double to i32)), i32 add (i32 ptrtoint (double* @var_static_double to i32), i32 ptrtoint (double* @var_global_double to i32))) 55 56 bb3: ; preds = %bb, %entry 57 tail call void @exit(i32 55) noreturn nounwind 58 unreachable 59 } 60 61 declare void @exit(i32) noreturn nounwind 62 63 ;; OBJ: Relocation 1 64 ;; OBJ-NEXT: 'r_offset', 65 ;; OBJ-NEXT: 'r_sym', 0x000002 66 ;; OBJ-NEXT: 'r_type', 0x2b 67 68 ;; OBJ: Symbol 2 69 ;; OBJ-NEXT: '_MergedGlobals' 70 ;; OBJ-NEXT: 'st_value', 0x00000010 71
