bcc4c90954
Always use non-symbolizing disassembler for instruction encoding validation as symbols will be treated as undefined/zeros be the encoder and causing byte sequence mismatches. Reviewed By: Amir Differential Revision: https://reviews.llvm.org/D136118
32 lines
791 B
ArmAsm
32 lines
791 B
ArmAsm
# REQUIRES: system-linux
|
|
|
|
# RUN: llvm-mc -filetype=obj -triple x86_64-unknown-linux %s -o %t.o
|
|
# RUN: ld.lld %t.o -o %t.exe -q
|
|
# RUN: llvm-bolt %t.exe --relocs -o %t.out --check-encoding |& FileCheck %s
|
|
|
|
.text
|
|
.globl _start
|
|
.type _start, %function
|
|
_start:
|
|
.cfi_startproc
|
|
|
|
## Check that llvm-bolt uses non-symbolizing disassembler while validating
|
|
## instruction encodings. If symbol "foo" below is symbolized, the encoded
|
|
## instruction would have a different sequence of bytes from the input
|
|
## sequence, as "foo" will not have any address assigned at that point.
|
|
|
|
movq foo(%rip), %rax
|
|
# CHECK-NOT: mismatching LLVM encoding detected
|
|
|
|
ret
|
|
.cfi_endproc
|
|
.size _start, .-_start
|
|
|
|
.globl foo
|
|
.type foo, %function
|
|
foo:
|
|
.cfi_startproc
|
|
ret
|
|
.cfi_endproc
|
|
.size foo, .-foo
|