llvm-project/bolt/test/X86/tail-duplication-cacheline.s

32 lines
669 B
ArmAsm

# This reproduces a bug in TailDuplication::isInCacheLine
# with accessing BlockLayout past bounds (unreachable blocks).
# REQUIRES: system-linux
# RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown \
# RUN: %s -o %t.o
# RUN: link_fdata %s %t.o %t.fdata
# RUN: llvm-strip --strip-unneeded %t.o
# RUN: %clang %cflags -no-pie %t.o -o %t.exe -Wl,-q -nostdlib
# RUN: llvm-bolt %t.exe -o %t.out --data %t.fdata --relocs \
# RUN: --tail-duplication=aggressive
.globl _start
_start:
jmp d
je _start
movl %esi, %edi
d:
jmpq *JT0(,%rcx,8)
# FDATA: 1 _start #d# 1 _start #e# 1 3
f:
movl 0, %esi
g:
movl 0, %esi
e:
jmp f
.rodata
JT0:
.quad g
.quad e