| # This test checks that trampolines are inserted in split fragments if |
| # necessary. There are 4 LSDA ranges with a landing pad to three landing pads. |
| # After splitting all blocks, there have to be 4 trampolines in the output. |
| |
| # RUN: llvm-mc --filetype=obj --triple x86_64-unknown-unknown %s -o %t.o |
| # RUN: %clangxx %cxxflags %t.o -o %t.exe -Wl,-q -pie |
| # RUN: llvm-bolt %t.exe --split-functions --split-strategy=all --split-eh \ |
| # RUN: -o %t.bolt --print-split --print-only=main 2>&1 | FileCheck %s |
| |
| # CHECK: ------- HOT-COLD SPLIT POINT ------- |
| # CHECK: .LFT0 |
| # CHECK: Landing Pads: .LBB0 |
| # CHECK: .LBB0 |
| # CHECK-NEXT: Landing Pad |
| # CHECK: ------- HOT-COLD SPLIT POINT ------- |
| # CHECK: .Ltmp0 |
| # CHECK: Landing Pads: .LBB1, .LBB2 |
| # CHECK: .LBB1 |
| # CHECK-NEXT: Landing Pad |
| # CHECK: .LBB2 |
| # CHECK-NEXT: Landing Pad |
| # CHECK: ------- HOT-COLD SPLIT POINT ------- |
| # CHECK: ------- HOT-COLD SPLIT POINT ------- |
| # CHECK: ------- HOT-COLD SPLIT POINT ------- |
| # CHECK: ------- HOT-COLD SPLIT POINT ------- |
| # CHECK: ------- HOT-COLD SPLIT POINT ------- |
| # CHECK: .Ltmp3 |
| # CHECK: Landing Pads: .LBB3 |
| # CHECK: .LBB3 |
| # CHECK-NEXT: Landing Pad |
| # CHECK: ------- HOT-COLD SPLIT POINT ------- |
| # CHECK: ------- HOT-COLD SPLIT POINT ------- |
| |
| .text |
| .section .rodata.str1.1,"aMS",@progbits,1 |
| .LC0: |
| .string "E" |
| .LC1: |
| .string "C" |
| .text |
| .globl main |
| .type main, @function |
| main: |
| .LFB1265: |
| .cfi_startproc |
| .cfi_personality 0x9b,DW.ref.__gxx_personality_v0 |
| .cfi_lsda 0x1b,.LLSDA1265 |
| pushq %r12 |
| .cfi_def_cfa_offset 16 |
| .cfi_offset 12, -16 |
| pushq %rbp |
| .cfi_def_cfa_offset 24 |
| .cfi_offset 6, -24 |
| pushq %rbx |
| .cfi_def_cfa_offset 32 |
| .cfi_offset 3, -32 |
| testb $3, %dil |
| jne .L13 |
| leaq .LC1(%rip), %rdi |
| .LEHB0: |
| call puts@PLT |
| # Trampoline to .L9 |
| .LEHE0: |
| jmp .L11 |
| .L13: |
| movl $16, %edi |
| call __cxa_allocate_exception@PLT |
| movq %rax, %rbx |
| leaq .LC0(%rip), %rsi |
| movq %rax, %rdi |
| .LEHB1: |
| call _ZNSt13runtime_errorC1EPKc@PLT |
| # Trampoline to .L8 |
| .LEHE1: |
| movq _ZNSt13runtime_errorD1Ev@GOTPCREL(%rip), %rdx |
| movq _ZTISt13runtime_error@GOTPCREL(%rip), %rsi |
| movq %rbx, %rdi |
| .LEHB2: |
| call __cxa_throw@PLT |
| # Trampoline to .L9 |
| .LEHE2: |
| .L9: |
| movq %rax, %rdi |
| movq %rdx, %rax |
| jmp .L4 |
| .L8: |
| movq %rax, %r12 |
| movq %rdx, %rbp |
| movq %rbx, %rdi |
| call __cxa_free_exception@PLT |
| movq %r12, %rdi |
| movq %rbp, %rax |
| .L4: |
| cmpq $1, %rax |
| je .L5 |
| .LEHB3: |
| call _Unwind_Resume@PLT |
| .LEHE3: |
| .L5: |
| call __cxa_begin_catch@PLT |
| movq %rax, %rdi |
| movq (%rax), %rax |
| call *16(%rax) |
| movq %rax, %rdi |
| .LEHB4: |
| call puts@PLT |
| # Trampoline to .L10 |
| .LEHE4: |
| call __cxa_end_catch@PLT |
| .L11: |
| movl $0, %eax |
| popq %rbx |
| .cfi_remember_state |
| .cfi_def_cfa_offset 24 |
| popq %rbp |
| .cfi_def_cfa_offset 16 |
| popq %r12 |
| .cfi_def_cfa_offset 8 |
| ret |
| .L10: |
| .cfi_restore_state |
| movq %rax, %rbx |
| call __cxa_end_catch@PLT |
| movq %rbx, %rdi |
| .LEHB5: |
| call _Unwind_Resume@PLT |
| .LEHE5: |
| .cfi_endproc |
| .globl __gxx_personality_v0 |
| .section .gcc_except_table,"a",@progbits |
| .align 4 |
| .LLSDA1265: |
| .byte 0xff |
| .byte 0x9b |
| .uleb128 .LLSDATT1265-.LLSDATTD1265 |
| .LLSDATTD1265: |
| .byte 0x1 |
| .uleb128 .LLSDACSE1265-.LLSDACSB1265 |
| .LLSDACSB1265: |
| .uleb128 .LEHB0-.LFB1265 |
| .uleb128 .LEHE0-.LEHB0 |
| .uleb128 .L9-.LFB1265 |
| .uleb128 0x1 |
| .uleb128 .LEHB1-.LFB1265 |
| .uleb128 .LEHE1-.LEHB1 |
| .uleb128 .L8-.LFB1265 |
| .uleb128 0x3 |
| .uleb128 .LEHB2-.LFB1265 |
| .uleb128 .LEHE2-.LEHB2 |
| .uleb128 .L9-.LFB1265 |
| .uleb128 0x1 |
| .uleb128 .LEHB3-.LFB1265 |
| .uleb128 .LEHE3-.LEHB3 |
| .uleb128 0 |
| .uleb128 0 |
| .uleb128 .LEHB4-.LFB1265 |
| .uleb128 .LEHE4-.LEHB4 |
| .uleb128 .L10-.LFB1265 |
| .uleb128 0 |
| .uleb128 .LEHB5-.LFB1265 |
| .uleb128 .LEHE5-.LEHB5 |
| .uleb128 0 |
| .uleb128 0 |
| .LLSDACSE1265: |
| .byte 0x1 |
| .byte 0 |
| .byte 0 |
| .byte 0x7d |
| .align 4 |
| .long DW.ref._ZTISt13runtime_error-. |
| .LLSDATT1265: |
| .text |
| .size main, .-main |
| .hidden DW.ref._ZTISt13runtime_error |
| .weak DW.ref._ZTISt13runtime_error |
| .section .data.rel.local.DW.ref._ZTISt13runtime_error,"awG",@progbits,DW.ref._ZTISt13runtime_error,comdat |
| .align 8 |
| .type DW.ref._ZTISt13runtime_error, @object |
| .size DW.ref._ZTISt13runtime_error, 8 |
| DW.ref._ZTISt13runtime_error: |
| .quad _ZTISt13runtime_error |
| .hidden DW.ref.__gxx_personality_v0 |
| .weak DW.ref.__gxx_personality_v0 |
| .section .data.rel.local.DW.ref.__gxx_personality_v0,"awG",@progbits,DW.ref.__gxx_personality_v0,comdat |
| .align 8 |
| .type DW.ref.__gxx_personality_v0, @object |
| .size DW.ref.__gxx_personality_v0, 8 |
| DW.ref.__gxx_personality_v0: |
| .quad __gxx_personality_v0 |
| .ident "GCC: (Compiler-Explorer-Build-gcc--binutils-2.38) 12.1.0" |
| .section .note.GNU-stack,"",@progbits |
