llvm-project/bolt/test/X86/issue26.s

60 lines
1.1 KiB
ArmAsm
Executable File

# This reproduces issue 26 from our github repo
# BOLT fails with the following assertion:
# llvm/tools/llvm-bolt/src/BinaryFunction.cpp:2950: void llvm::bolt::BinaryFunction::postProcessBranches(): Assertion `validateCFG() && "invalid CFG"' failed.
# REQUIRES: system-linux
# RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown \
# RUN: %s -o %t.o
# RUN: %clang %cflags %t.o -o %t.exe -Wl,-q
# RUN: llvm-bolt %t.exe --relocs --print-cfg -o %t.out \
# RUN: | FileCheck %s
# CHECK-NOT: BOLT-WARNING: CFG invalid in XYZ @ .LBB0
# CHECK: Binary Function "XYZ"
# CHECK: .Ltmp{{.*}} (1 instructions, align : 1)
# CHECK-NEXT: Secondary Entry Point: FUNCat{{.*}}
.text
.globl XYZ
.type XYZ, %function
.size XYZ, .Lend1-XYZ
XYZ:
movl %fs:-0x350, %eax
cmpl %eax, %edi
jne .L1
cmp %rdx, (%rsi)
jne .L2
movq %rcx, (%rsi)
.L1:
retq
.L2:
movl $0xffffffff, %eax
retq
.Lend1:
.globl FUNC
.type FUNC, %function
.size FUNC, .Lend - FUNC
FUNC:
cmpq %rdi, %rsi
je .L1
retq
.Lend:
.globl main
.type main, %function
.size main, .Lend2 - main
main:
xorq %rax, %rax
retq
# For relocations against .text
call exit
.Lend2: