lld/test/ELF/riscv-branch.s

   1 # REQUIRES: riscv
   2
   3 # RUN: llvm-mc -filetype=obj -triple=riscv32-unknown-elf -mattr=-relax -riscv-asm-relax-branches=0 %s -o %t.rv32.o
   4 # RUN: llvm-mc -filetype=obj -triple=riscv64-unknown-elf -mattr=-relax -riscv-asm-relax-branches=0 %s -o %t.rv64.o
   5
   6 # RUN: ld.lld %t.rv32.o --defsym foo=_start+4 --defsym bar=_start -o %t.rv32
   7 # RUN: ld.lld %t.rv64.o --defsym foo=_start+4 --defsym bar=_start -o %t.rv64
   8 # RUN: llvm-objdump -d %t.rv32 | FileCheck %s --check-prefix=CHECK-32
   9 # RUN: llvm-objdump -d %t.rv64 | FileCheck %s --check-prefix=CHECK-64
  10 # CHECK-32: 00000263     beqz    zero, 0x110b8
  11 # CHECK-32: fe001ee3     bnez    zero, 0x110b4
  12 # CHECK-64: 00000263     beqz    zero, 0x11124
  13 # CHECK-64: fe001ee3     bnez    zero, 0x11120
  14 #
  15 # RUN: ld.lld %t.rv32.o --defsym foo=_start+0xffe --defsym bar=_start+4-0x1000 -o %t.rv32.limits
  16 # RUN: ld.lld %t.rv64.o --defsym foo=_start+0xffe --defsym bar=_start+4-0x1000 -o %t.rv64.limits
  17 # RUN: llvm-objdump -d %t.rv32.limits | FileCheck --check-prefix=LIMITS-32 %s
  18 # RUN: llvm-objdump -d %t.rv64.limits | FileCheck --check-prefix=LIMITS-64 %s
  19 # LIMITS-32:      7e000fe3     beqz    zero, 0x120b2
  20 # LIMITS-32-NEXT: 80001063     bnez    zero, 0x100b8
  21 # LIMITS-64:      7e000fe3     beqz    zero, 0x1211e
  22 # LIMITS-64-NEXT: 80001063     bnez    zero, 0x10124
  23
  24 # RUN: not ld.lld %t.rv32.o --defsym foo=_start+0x1000 --defsym bar=_start+4-0x1002 -o /dev/null 2>&1 | FileCheck --check-prefix=ERROR-RANGE %s
  25 # RUN: not ld.lld %t.rv64.o --defsym foo=_start+0x1000 --defsym bar=_start+4-0x1002 -o /dev/null 2>&1 | FileCheck --check-prefix=ERROR-RANGE %s
  26 # ERROR-RANGE: relocation R_RISCV_BRANCH out of range: 4096 is not in [-4096, 4095]; references 'foo'
  27 # ERROR-RANGE: relocation R_RISCV_BRANCH out of range: -4098 is not in [-4096, 4095]; references 'bar'
  28
  29 # RUN: not ld.lld %t.rv32.o --defsym foo=_start+1 --defsym bar=_start-1 -o /dev/null 2>&1 | FileCheck --check-prefix=ERROR-ALIGN %s
  30 # RUN: not ld.lld %t.rv64.o --defsym foo=_start+1 --defsym bar=_start-1 -o /dev/null 2>&1 | FileCheck --check-prefix=ERROR-ALIGN %s
  31 # ERROR-ALIGN: improper alignment for relocation R_RISCV_BRANCH: 0x1 is not aligned to 2 bytes
  32
  33 .global _start
  34 _start:
  35      beq x0, x0, foo
  36      bne x0, x0, bar