33 lines · plain
1## Check that trampoline functions are excluded from density computation.2 3# RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown %s -o %t.o4# RUN: ld.lld %t.o -o %t5# RUN: link_fdata %s %t %t.preagg PREAGG6# RUN: llvm-strip -NLjmp %t7# RUN: perf2bolt %t -p %t.preagg --pa -o %t.fdata | FileCheck %s8# CHECK: Functions with density >= {{.*}} account for 99.00% total sample counts.9# CHECK-NOT: the output profile is empty or the --profile-density-cutoff-hot option is set too low.10 11 .text12 .globl trampoline13trampoline:14 mov main,%rax15 jmpq *%rax16.size trampoline,.-trampoline17# PREAGG: f #trampoline# #trampoline# 218 19 .globl main20main:21 .cfi_startproc22 vmovaps %zmm31,%zmm323 24 add $0x4,%r925 add $0x40,%r1026 dec %r1427Ljmp:28 jne main29# PREAGG: T #Ljmp# #main# #Ljmp# 1030 ret31 .cfi_endproc32.size main,.-main33