## Test the correctness of section names and function symbol names post cdsplit. ## Warm section should have name .text.warm and warm function fragments should ## have symbol names ending in warm. # RUN: llvm-mc --filetype=obj --triple x86_64-unknown-unknown %s -o %t.o # RUN: link_fdata %s %t.o %t.fdata # RUN: llvm-strip --strip-unneeded %t.o # RUN: %clang %cflags %t.o -o %t.exe -Wl,-q # RUN: llvm-bolt %t.exe -o %t.bolt --split-functions --split-strategy=cdsplit \ # RUN: --call-scale=2 --data=%t.fdata --reorder-blocks=ext-tsp # RUN: llvm-objdump --syms %t.bolt | FileCheck %s --check-prefix=CHECK-SYMS-WARM # CHECK-SYMS-WARM: 0000000000000000 l df *ABS* 0000000000000000 bolt-pseudo.o # CHECK-SYMS-WARM: .text.warm # CHECK-SYMS-WARM-SAME: chain.warm # CHECK-SYMS-WARM: .text.cold # CHECK-SYMS-WARM-SAME: dummy.cold .text .globl chain .type chain, @function chain: pushq %rbp movq %rsp, %rbp cmpl $2, %edi LLentry_LLchain_start: jge LLchain_start # FDATA: 1 chain #LLentry_LLchain_start# 1 chain #LLchain_start# 0 100 # FDATA: 1 chain #LLentry_LLchain_start# 1 chain #LLfast# 0 500 LLfast: movl $5, %eax LLfast_LLexit: jmp LLexit # FDATA: 1 chain #LLfast_LLexit# 1 chain #LLexit# 0 500 LLchain_start: movl $10, %eax LLchain_start_LLchain1: jge LLchain1 # FDATA: 1 chain #LLchain_start_LLchain1# 1 chain #LLchain1# 0 99 # FDATA: 1 chain #LLchain_start_LLchain1# 1 chain #LLloop_entry# 0 1 LLloop_entry: addl $1, %eax addl $1, %eax addl $1, %eax addl $1, %eax xorl %eax, %eax // Initialize result movl $1000000, %ecx // Set loop counter to a large value LLloop_entry_LLloop_start: jmp LLloop_start # FDATA: 1 chain #LLloop_entry_LLloop_start# 1 chain #LLloop_start# 0 1 LLloop_start: addl $1, %eax // Increment result subl $1, %ecx // Decrement loop counter LLloop_start_LLloop_start: jg LLloop_start // Jump if loop counter is greater than 0 # FDATA: 1 chain #LLloop_start_LLloop_start# 1 chain #LLloop_start# 0 1000000 # FDATA: 1 chain #LLloop_start_LLloop_start# 1 chain #LLchain1# 0 1 LLchain1: addl $1, %eax LLchain1_LLchain2: jmp LLchain2 # FDATA: 1 chain #LLchain1_LLchain2# 1 chain #LLchain2# 0 100 LLchain2: addl $1, %eax LLchain2_LLchain3: jmp LLchain3 # FDATA: 1 chain #LLchain2_LLchain3# 1 chain #LLchain3# 0 100 LLchain3: addl $1, %eax addl $1, %eax addl $1, %eax addl $1, %eax addl $1, %eax LLchain3_LLchain4: jmp LLchain4 # FDATA: 1 chain #LLchain3_LLchain4# 1 chain #LLchain4# 0 100 LLchain4: addl $1, %eax addl $1, %eax addl $1, %eax addl $1, %eax addl $1, %eax LLchain4_LLexit: jmp LLexit # FDATA: 1 chain #LLchain4_LLexit# 1 chain #LLexit# 0 100 LLexit: popq %rbp ret LLchain_end: .size chain, LLchain_end-chain .text .globl dummy .type dummy, @function dummy: pushq %rbp movq %rsp, %rbp cmpl $2, %edi dummy_dummy_block1: jg dummy_block1 # FDATA: 1 dummy #dummy_dummy_block1# 1 dummy #dummy_block1# 0 0 # FDATA: 1 dummy #dummy_dummy_block1# 1 dummy #dummy_next# 0 100 dummy_next: addl $1, %eax addl $1, %eax dummy_next_dummy_exit: jmp dummy_exit # FDATA: 1 dummy #dummy_next_dummy_exit# 1 dummy #dummy_exit# 0 100 dummy_block1: addl $1, %eax addl $1, %eax addl $1, %eax addl $1, %eax addl $1, %eax dummy_block1_dummy_block2: jmp dummy_block2 # FDATA: 1 dummy #dummy_block1_dummy_block2# 1 dummy #dummy_block2# 0 0 dummy_block2: addl $1, %eax addl $1, %eax addl $1, %eax addl $1, %eax addl $1, %eax dummy_block2_dummy_exit: jmp dummy_exit # FDATA: 1 dummy #dummy_block2_dummy_exit# 1 dummy #dummy_exit# 0 0 dummy_exit: popq %rbp ret .globl main .type main, @function main: pushq %rbp movq %rsp, %rbp movl $1, %edi LLmain_chain1: call chain # FDATA: 1 main #LLmain_chain1# 1 chain 0 0 600 movl $4, %edi LLmain_dummy: call dummy # FDATA: 1 main #LLmain_dummy# 1 dummy 0 0 100 xorl %eax, %eax popq %rbp retq .Lmain_end: .size main, .Lmain_end-main