| # Checks that symbols are allocated in correct sections, and that empty |
| # fragments are not allocated at all. |
| |
| # REQUIRES: x86_64-linux |
| |
| # RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown %s -o %t.o |
| # RUN: %clangxx %cxxflags %t.o -o %t.exe -Wl,-q -no-pie |
| # RUN: llvm-bolt %t.exe -o %t.bolt --split-functions --split-strategy=all \ |
| # RUN: --print-split --print-only=_Z3foov 2>&1 | \ |
| # RUN: FileCheck %s --check-prefix=CHECK-SPLIT |
| # RUN: llvm-nm %t.bolt | FileCheck %s --check-prefix=CHECK-COLD0 |
| # RUN: llvm-objdump --syms %t.bolt | \ |
| # RUN: FileCheck %s --check-prefix=CHECK-SYMS |
| |
| # CHECK-SPLIT: .LLP0 (4 instructions, align : 1) |
| # CHECK-SPLIT: ------- HOT-COLD SPLIT POINT ------- |
| # CHECK-SPLIT-EMPTY: |
| # CHECK-SPLIT-NEXT: ------- HOT-COLD SPLIT POINT ------- |
| # CHECK-SPLIT-EMPTY: |
| # CHECK-SPLIT-NEXT: .LFT0 (2 instructions, align : 1) |
| |
| # CHECK-COLD0-NOT: _Z3foov.cold.0 |
| |
| # CHECK-SYMS: .text.cold.1 |
| # CHECK-SYMS-SAME: _Z3foov.cold.1 |
| # CHECK-SYMS: .text.cold.2 |
| # CHECK-SYMS-SAME: _Z3foov.cold.2 |
| # CHECK-SYMS: .text.cold.3 |
| # CHECK-SYMS-SAME: _Z3foov.cold.3 |
| |
| |
| .text |
| .globl _Z3barv |
| .type _Z3barv, @function |
| _Z3barv: # void bar(); |
| .cfi_startproc |
| ret |
| .cfi_endproc |
| .size _Z3barv, .-_Z3barv |
| |
| |
| .globl _Z3bazv |
| .type _Z3bazv, @function |
| _Z3bazv: # void baz() noexcept; |
| .cfi_startproc |
| ret |
| .cfi_endproc |
| .size _Z3bazv, .-_Z3bazv |
| |
| |
| .globl _Z3foov |
| .type _Z3foov, @function |
| _Z3foov: # void foo() noexcept; |
| .LFB1265: # _Z3foov |
| .cfi_startproc |
| .cfi_personality 0x3,__gxx_personality_v0 |
| .cfi_lsda 0x3,.LLSDA1265 |
| subq $8, %rsp |
| .cfi_def_cfa_offset 16 |
| .LEHB0: |
| call _Z3barv # LP: .L5 |
| .LEHE0: |
| jmp .L4 |
| .L5: # (_Z3foov.cold.0), landing pad, hot |
| movq %rax, %rdi |
| cmpq $1, %rdx |
| je .L3 |
| call _ZSt9terminatev # _Z3foov.cold.1 |
| .L3: # _Z3foov.cold.2 |
| call __cxa_begin_catch |
| call _Z3bazv |
| call __cxa_end_catch |
| .L4: # _Z3foov.cold.3 |
| call _Z3bazv |
| addq $8, %rsp |
| .cfi_def_cfa_offset 8 |
| ret |
| .cfi_endproc |
| .globl __gxx_personality_v0 |
| .section .gcc_except_table,"a",@progbits |
| .align 4 |
| .LLSDA1265: |
| .byte 0xff |
| .byte 0x3 |
| .uleb128 .LLSDATT1265-.LLSDATTD1265 |
| .LLSDATTD1265: |
| .byte 0x1 |
| .uleb128 .LLSDACSE1265-.LLSDACSB1265 |
| .LLSDACSB1265: |
| .uleb128 .LEHB0-.LFB1265 |
| .uleb128 .LEHE0-.LEHB0 |
| .uleb128 .L5-.LFB1265 |
| .uleb128 0x3 |
| .LLSDACSE1265: |
| .byte 0 |
| .byte 0 |
| .byte 0x1 |
| .byte 0x7d |
| .align 4 |
| .long _ZTISt13runtime_error |
| .LLSDATT1265: |
| .text |
| .size _Z3foov, .-_Z3foov |
| |
| |
| .globl main |
| .type main, @function |
| main: |
| .cfi_startproc |
| subq $8, %rsp |
| .cfi_def_cfa_offset 16 |
| call _Z3foov |
| movl $0, %eax |
| addq $8, %rsp |
| .cfi_def_cfa_offset 8 |
| ret |
| .cfi_endproc |
| .size main, .-main |
