test/MC/RISCV/tail-call.s

   1 # RUN: llvm-mc -filetype=obj -triple riscv32 < %s \
   2 # RUN:   | llvm-objdump -d - | FileCheck -check-prefix=INSTR %s
   3 # RUN: llvm-mc -filetype=obj -triple riscv32 < %s \
   4 # RUN:   | llvm-readobj -r | FileCheck -check-prefix=RELOC %s
   5 # RUN: llvm-mc -triple riscv32 < %s -show-encoding \
   6 # RUN:   | FileCheck -check-prefix=FIXUP %s
   7
   8 # RUN: llvm-mc -filetype=obj -triple riscv64 < %s \
   9 # RUN:   | llvm-objdump -d - | FileCheck -check-prefix=INSTR %s
  10 # RUN: llvm-mc -filetype=obj -triple riscv64 < %s \
  11 # RUN:   | llvm-readobj -r | FileCheck -check-prefix=RELOC %s
  12 # RUN: llvm-mc -triple riscv64 < %s -show-encoding \
  13 # RUN:   | FileCheck -check-prefix=FIXUP %s
  14
  15 .long foo
  16
  17 tail foo
  18 # RELOC: R_RISCV_CALL foo 0x0
  19 # INSTR: auipc t1, 0
  20 # INSTR: jr  t1
  21 # FIXUP: fixup A - offset: 0, value: foo, kind:
  22 tail bar
  23 # RELOC: R_RISCV_CALL bar 0x0
  24 # INSTR: auipc t1, 0
  25 # INSTR: jr  t1
  26 # FIXUP: fixup A - offset: 0, value: bar, kind:
  27
  28 # Ensure that tail calls to functions whose names coincide with register names
  29 # work.
  30
  31 tail zero
  32 # RELOC: R_RISCV_CALL zero 0x0
  33 # INSTR: auipc t1, 0
  34 # INSTR: jr  t1
  35 # FIXUP: fixup A - offset: 0, value: zero, kind:
  36
  37 tail f1
  38 # RELOC: R_RISCV_CALL f1 0x0
  39 # INSTR: auipc t1, 0
  40 # INSTR: jr  t1
  41 # FIXUP: fixup A - offset: 0, value: f1, kind:
  42
  43 tail ra
  44 # RELOC: R_RISCV_CALL ra 0x0
  45 # INSTR: auipc t1, 0
  46 # INSTR: jr  t1
  47 # FIXUP: fixup A - offset: 0, value: ra, kind:
  48
  49 tail foo@plt
  50 # RELOC: R_RISCV_CALL_PLT foo 0x0
  51 # INSTR: auipc t1, 0
  52 # INSTR: jr  t1
  53 # FIXUP: fixup A - offset: 0, value: foo@plt, kind: