1*9742c25bSMaksim Panchenko## Check that BOLT preserves nop instruction if it's the only instruction 2*9742c25bSMaksim Panchenko## in a function. 3*9742c25bSMaksim Panchenko 4*9742c25bSMaksim Panchenko# REQUIRES: system-linux 5*9742c25bSMaksim Panchenko 6*9742c25bSMaksim Panchenko# RUN: llvm-mc -filetype=obj -triple x86_64-unknown-linux %s -o %t.o 7*9742c25bSMaksim Panchenko# RUN: ld.lld %t.o -o %t.exe -q 8*9742c25bSMaksim Panchenko# RUN: llvm-bolt %t.exe -o %t.bolt.exe --relocs=0 9*9742c25bSMaksim Panchenko# RUN: llvm-objdump -d %t.bolt.exe | FileCheck %s 10*9742c25bSMaksim Panchenko 11*9742c25bSMaksim Panchenko .text 12*9742c25bSMaksim Panchenko .globl nop_function 13*9742c25bSMaksim Panchenko .type nop_function,@function 14*9742c25bSMaksim Panchenkonop_function: 15*9742c25bSMaksim Panchenko .cfi_startproc 16*9742c25bSMaksim Panchenko nop 17*9742c25bSMaksim Panchenko# CHECK: <nop_function>: 18*9742c25bSMaksim Panchenko# CHECK-NEXT: nop 19*9742c25bSMaksim Panchenko 20*9742c25bSMaksim Panchenko .size nop_function, .-nop_function 21*9742c25bSMaksim Panchenko .cfi_endproc 22*9742c25bSMaksim Panchenko 23*9742c25bSMaksim Panchenko 24*9742c25bSMaksim Panchenko .globl _start 25*9742c25bSMaksim Panchenko .type _start,@function 26*9742c25bSMaksim Panchenko_start: 27*9742c25bSMaksim Panchenko .cfi_startproc 28*9742c25bSMaksim Panchenko call nop_function 29*9742c25bSMaksim Panchenko .size _start, .-_start 30*9742c25bSMaksim Panchenko .cfi_endproc 31