forked from OSchip/llvm-project
138 lines
2.2 KiB
ArmAsm
Executable File
138 lines
2.2 KiB
ArmAsm
Executable File
# Check that references to local (unnamed) objects below are not
|
|
# treated as references relative to zero-sized A object.
|
|
|
|
# REQUIRES: system-linux
|
|
|
|
# RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown \
|
|
# RUN: %s -o %t.o
|
|
# RUN: %clang %cflags -no-pie %t.o -o %t.exe -Wl,-q
|
|
|
|
# RUN: llvm-bolt %t.exe --print-cfg \
|
|
# RUN: --print-only=main -o %t.out | FileCheck %s
|
|
|
|
.file "rust_bug.c"
|
|
.section .rodata
|
|
.LC0:
|
|
.string "0"
|
|
.LC1:
|
|
.string "1"
|
|
.LC2:
|
|
.string "2"
|
|
.LC3:
|
|
.string "3"
|
|
.LC4:
|
|
.string "4"
|
|
.LC5:
|
|
.string "5"
|
|
.text
|
|
.globl inc_dup
|
|
.type inc_dup, @function
|
|
inc_dup:
|
|
.LFB0:
|
|
.cfi_startproc
|
|
pushq %rbp
|
|
.cfi_def_cfa_offset 16
|
|
.cfi_offset 6, -16
|
|
movq %rsp, %rbp
|
|
.cfi_def_cfa_register 6
|
|
subq $16, %rsp
|
|
movl %edi, -4(%rbp)
|
|
movl -4(%rbp), %eax
|
|
subl $10, %eax
|
|
cmpl $5, %eax
|
|
ja .L2
|
|
movl %eax, %eax
|
|
movq .L4(,%rax,8), %rax
|
|
jmp *%rax
|
|
.section .rodata
|
|
.align 8
|
|
.globl A
|
|
.type A, @object
|
|
A:
|
|
.section .rodata
|
|
.align 8
|
|
.align 4
|
|
.L4:
|
|
.quad .L3
|
|
.quad .L5
|
|
.quad .L6
|
|
.quad .L7
|
|
.quad .L8
|
|
.quad .L9
|
|
.text
|
|
.L3:
|
|
movl $.LC0, %edi
|
|
call puts
|
|
movl $1, %eax
|
|
jmp .L10
|
|
.L5:
|
|
movl $.LC1, %edi
|
|
call puts
|
|
movl $2, %eax
|
|
jmp .L10
|
|
.L6:
|
|
movl $.LC2, %edi
|
|
call puts
|
|
movl $3, %eax
|
|
jmp .L10
|
|
.L7:
|
|
movl $.LC3, %edi
|
|
call puts
|
|
movl $4, %eax
|
|
jmp .L10
|
|
.L8:
|
|
movl $.LC4, %edi
|
|
call puts
|
|
movl $5, %eax
|
|
jmp .L10
|
|
.L9:
|
|
movl $.LC5, %edi
|
|
call puts
|
|
movl $6, %eax
|
|
jmp .L10
|
|
.L2:
|
|
movl -4(%rbp), %eax
|
|
addl $1, %eax
|
|
.L10:
|
|
leave
|
|
.cfi_def_cfa 7, 8
|
|
ret
|
|
.cfi_endproc
|
|
.LFE0:
|
|
.size inc_dup, .-inc_dup
|
|
.section .rodata
|
|
.LC6:
|
|
.string "%d\n"
|
|
.text
|
|
.globl main
|
|
.type main, @function
|
|
main:
|
|
# CHECK: Binary Function "main" after building cfg
|
|
.LFB1:
|
|
.cfi_startproc
|
|
pushq %rbp
|
|
.cfi_def_cfa_offset 16
|
|
.cfi_offset 6, -16
|
|
movq %rsp, %rbp
|
|
.cfi_def_cfa_register 6
|
|
movl .LN(%rip), %eax
|
|
# We should not reference a data object as an offset from A
|
|
# CHECK-NOT: movl A+{{.*}}(%rip), %eax
|
|
movl %eax, %esi
|
|
movl $.LC6, %edi
|
|
movl $0, %eax
|
|
call printf
|
|
movl $0, %eax
|
|
popq %rbp
|
|
.cfi_def_cfa 7, 8
|
|
ret
|
|
.cfi_endproc
|
|
.LFE1:
|
|
.size main, .-main
|
|
.section .rodata
|
|
.align 4
|
|
.LN:
|
|
.long 42
|
|
.ident "GCC: (GNU) 4.8.5 20150623 (Red Hat 4.8.5-44)"
|
|
.section .note.GNU-stack,"",@progbits
|