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# 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: %clang %cflags %t.o -o %t.exe -Wl,-q
# RUN: llvm-bolt %t.exe --data %t.fdata --reorder-blocks=ext-tsp \
# RUN: --print-finalized \
# RUN: --tail-duplication=moderate --tail-duplication-minimum-offset=1 \
# RUN: --tail-duplication-const-copy-propagation=1 -o %t.out | FileCheck %s
# RUN: %t.exe; echo $?
# RUN: %t.out; echo $?
# FDATA: 1 main 14 1 main #.BB2# 0 10
# FDATA: 1 main 16 1 main #.BB2# 0 20
# CHECK: BOLT-INFO: tail duplication modified 1 ({{.*}}%) functions; duplicated 1 blocks ({{.*}} bytes) responsible for {{.*}} dynamic executions ({{.*}}% of all block executions)
# CHECK: BB Layout : .LBB00, .Ltail-dup0, .Ltmp0, .Ltmp1
# CHECK-NOT: mov $0x2, %rbx
.text
.globl main
.type main, %function
.size main, .Lend-main
main:
mov $0x2, %rbx
mov $0x1, %rdi
inc %rdi
mov %rdi, %rsi
jmp .BB2
.BB1:
mov $0x9, %rbx
.BB2:
mov %rbx, %rax
mov $0x5, %rbx
add %rsi, %rax
retq
.BB3:
mov $0x9, %rbx
.BB4:
mov $0xa, %rsi
add %rbx, %rax
add %rsi, %rax
.BB5:
retq
.Lend:
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