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# This reproduces issue 20 from our github repo
# "BOLT crashes when removing unreachable BBs that are a target
# in a JT"
# REQUIRES: system-linux
# RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown \
# RUN: %s -o %t.o
# RUN: %clang %cflags -no-pie %t.o -o %t.exe
# RUN: llvm-bolt %t.exe --relocs=0 --jump-tables=move --print-finalized \
# RUN: -o %t.out | FileCheck %s
# CHECK-NOT: BOLT-INFO: UCE removed {{.*}} blocks and {{.*}} bytes of code
# CHECK: Binary Function "main"
# CHECK: .LFT{{.*}} (2 instructions, align : 1)
# CHECK-NEXT: CFI State : 0
# CHECK-NEXT: 00000004: andq
# CHECK-NEXT: 00000008: jmpq
# CHECK-NEXT: Successors: .Ltmp{{.*}}, .Ltmp{{.*}}, .Ltmp{{.*}}, .Ltmp{{.*}}
.text
.globl main
.type main, %function
.size main, .Lend1-main
main:
xorq %rax, %rax
retq
andq $3, %rdi
jmpq *jumptbl(,%rdi,8)
.Lbb1:
movl $0x1, %eax
jmp .Lexit
.Lbb2:
movl $0x2, %eax
jmp .Lexit
.Lbb3:
movl $0x3, %eax
jmp .Lexit
.Lbb4:
movl $0x4, %eax
.Lexit:
retq
.Lend1:
.section .rodata
.globl jumptbl
jumptbl:
.quad .Lbb1
.quad .Lbb2
.quad .Lbb3
.quad .Lbb4
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