# Test that landing pads at fragment entries are not omitted during unwinding.
# This uses profile2 splitting with a fake fdata, so SplitFunctions splits main
# right before landing pad.
# 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 --data=%t.fdata \
# RUN: --print-split --print-only=main --split-eh --split-all-cold \
# RUN: 2>&1 | FileCheck --check-prefix=BOLT-CHECK %s
# RUN: %t.bolt | FileCheck --check-prefix=RUN-CHECK %s
# BOLT-CHECK: ------- HOT-COLD SPLIT POINT -------
# BOLT-CHECK-EMPTY:
# BOLT-CHECK-NEXT: .LLP1
# RUN-CHECK: failed successfully
.text
.file "lp-fragment-start.cpp"
.globl main # -- Begin function main
.p2align 4, 0x90
.type main,@function
main: # @main
.Lfunc_begin0:
.cfi_startproc
.cfi_personality 155, DW.ref.__gxx_personality_v0
.cfi_lsda 27, .Lexception0
pushq %r15
.cfi_def_cfa_offset 16
pushq %r14
.cfi_def_cfa_offset 24
pushq %rbx
.cfi_def_cfa_offset 32
.cfi_offset %rbx, -32
.cfi_offset %r14, -24
.cfi_offset %r15, -16
movl $16, %edi
LL_fdata0:
callq __cxa_allocate_exception@PLT
# FDATA: 1 main #LL_fdata0# 1 __cxa_allocate_exception@PLT 0 0 1
movq %rax, %rbx
.Ltmp0:
leaq .L.str(%rip), %rsi
movq %rax, %rdi
callq _ZNSt13runtime_errorC1EPKc@PLT
jmp .Ltmp3
.Ltmp1:
# Cause split here, so .Ltmp5 is the first block of the fragment
.Ltmp5: # LP for .Ltmp3 to .Ltmp4
movq %rdx, %r15
movq %rax, %r14
jmp .LBB0_4
.Ltmp3: # throw std::runtime_error
movq _ZTISt13runtime_error@GOTPCREL(%rip), %rsi
movq _ZNSt13runtime_errorD1Ev@GOTPCREL(%rip), %rdx
movq %rbx, %rdi
callq __cxa_throw@PLT # LP: .Ltmp5
.Ltmp4:
.Ltmp2:
movq %rdx, %r15
movq %rax, %r14
movq %rbx, %rdi
callq __cxa_free_exception@PLT
.LBB0_4:
movq %r14, %rdi
cmpl $1, %r15d
jne .LBB0_5
callq __cxa_begin_catch@PLT
movq (%rax), %rcx
movq %rax, %rdi
callq *16(%rcx)
movq %rax, %rdi
callq puts@PLT
callq __cxa_end_catch@PLT
xorl %eax, %eax
popq %rbx
.cfi_def_cfa_offset 24
popq %r14
.cfi_def_cfa_offset 16
popq %r15
.cfi_def_cfa_offset 8
retq
.LBB0_5:
.cfi_def_cfa_offset 32
callq _Unwind_Resume@PLT
.Lfunc_end0:
.size main, .Lfunc_end0-main
.cfi_endproc
.section .gcc_except_table,"a",@progbits
.p2align 2
GCC_except_table0:
.Lexception0:
.byte 255 # @LPStart Encoding = omit
.byte 155 # @TType Encoding = indirect pcrel sdata4
.uleb128 .Lttbase0-.Lttbaseref0
.Lttbaseref0:
.byte 1 # Call site Encoding = uleb128
.uleb128 .Lcst_end0-.Lcst_begin0
.Lcst_begin0:
.uleb128 .Lfunc_begin0-.Lfunc_begin0 # >> Call Site 1 <<
.uleb128 .Ltmp0-.Lfunc_begin0 # Call between .Lfunc_begin0 and .Ltmp0
.byte 0 # has no landing pad
.byte 0 # On action: cleanup
.uleb128 .Ltmp0-.Lfunc_begin0 # >> Call Site 2 <<
.uleb128 .Ltmp1-.Ltmp0 # Call between .Ltmp0 and .Ltmp1
.uleb128 .Ltmp2-.Lfunc_begin0 # jumps to .Ltmp2
.byte 3 # On action: 2
.uleb128 .Ltmp3-.Lfunc_begin0 # >> Call Site 3 <<
.uleb128 .Ltmp4-.Ltmp3 # Call between .Ltmp3 and .Ltmp4
.uleb128 .Ltmp5-.Lfunc_begin0 # jumps to .Ltmp5
.byte 5 # On action: 3
.uleb128 .Ltmp4-.Lfunc_begin0 # >> Call Site 4 <<
.uleb128 .Lfunc_end0-.Ltmp4 # Call between .Ltmp4 and .Lfunc_end0
.byte 0 # has no landing pad
.byte 0 # On action: cleanup
.Lcst_end0:
.byte 0 # >> Action Record 1 <<
.byte 0 # No further actions
.byte 1 # >> Action Record 2 <<
.byte 125 # Continue to action 1
.byte 1 # >> Action Record 3 <<
.byte 0 # No further actions
.p2align 2
.Ltmp6: # TypeInfo 1
.long .L_ZTISt13runtime_error.DW.stub-.Ltmp6
.Lttbase0:
.p2align 2
.type .L.str,@object # @.str
.section .rodata.str1.1,"aMS",@progbits,1
.L.str:
.asciz "failed successfully"
.size .L.str, 20
.data
.p2align 3
.L_ZTISt13runtime_error.DW.stub:
.quad _ZTISt13runtime_error
.hidden DW.ref.__gxx_personality_v0
.weak DW.ref.__gxx_personality_v0
.section .data.DW.ref.__gxx_personality_v0,"aGw",@progbits,DW.ref.__gxx_personality_v0,comdat
.p2align 3
.type DW.ref.__gxx_personality_v0,@object
.size DW.ref.__gxx_personality_v0, 8
DW.ref.__gxx_personality_v0:
.quad __gxx_personality_v0
.ident "clang version 14.0.0 (https://github.com/llvm/llvm-project.git 329fda39c507e8740978d10458451dcdb21563be)"
.section ".note.GNU-stack","",@progbits
.addrsig
.addrsig_sym __gxx_personality_v0
.addrsig_sym _Unwind_Resume
.addrsig_sym _ZTISt13runtime_error
# #include <cstdio>
# #include <stdexcept>
#
# int main() {
# try {
# throw std::runtime_error("failed successfully");
# } catch (const std::runtime_error &e) {
# puts(e.what());
# }
# return 0;
# }
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