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170 lines
4.8 KiB
170 lines
4.8 KiB
# RUN: llvm-mc %s -filetype obj -triple aarch64-- -o %t.o
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# RUN: llvm-cfi-verify %t.o | FileCheck %s
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# CHECK-LABEL: {{^Instruction: .* \(FAIL_BAD_CONDITIONAL_BRANCH\)}}
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# CHECK-NEXT: tiny.cc:9
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# CHECK: Expected Protected: 0 (0.00%)
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# CHECK: Unexpected Protected: 0 (0.00%)
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# CHECK: Expected Unprotected: 0 (0.00%)
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# CHECK: Unexpected Unprotected (BAD): 1 (100.00%)
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# Source (tiny.cc):
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# int a() { return 42; }
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# int b() { return 137; }
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# int main(int argc, char** argv) {
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# int(*ptr)();
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# if (argc == 1)
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# ptr = &a;
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# else
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# ptr = &b;
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# return ptr();
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# }
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# Compile with:
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# clang++ -target aarch64-- -gmlt tiny.cc -S -o tiny.s
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.text
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.file "tiny.cc"
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.globl _Z1av
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.p2align 2
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.type _Z1av,@function
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_Z1av: // @_Z1av
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.Lfunc_begin0:
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.file 1 "tiny.cc"
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.loc 1 1 0 // tiny.cc:1:0
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.cfi_startproc
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// BB#0:
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mov w0, #42
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.Ltmp0:
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.loc 1 1 11 prologue_end // tiny.cc:1:11
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ret
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.Ltmp1:
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.Lfunc_end0:
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.size _Z1av, .Lfunc_end0-_Z1av
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.cfi_endproc
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.globl _Z1bv
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.p2align 2
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.type _Z1bv,@function
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_Z1bv: // @_Z1bv
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.Lfunc_begin1:
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.loc 1 2 0 // tiny.cc:2:0
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.cfi_startproc
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// BB#0:
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mov w0, #137
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.Ltmp2:
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.loc 1 2 11 prologue_end // tiny.cc:2:11
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ret
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.Ltmp3:
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.Lfunc_end1:
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.size _Z1bv, .Lfunc_end1-_Z1bv
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.cfi_endproc
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.globl main
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.p2align 2
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.type main,@function
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main: // @main
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.Lfunc_begin2:
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.loc 1 3 0 // tiny.cc:3:0
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.cfi_startproc
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// BB#0:
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sub sp, sp, #48 // =48
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stp x29, x30, [sp, #32] // 8-byte Folded Spill
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add x29, sp, #32 // =32
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.Lcfi0:
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.cfi_def_cfa w29, 16
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.Lcfi1:
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.cfi_offset w30, -8
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.Lcfi2:
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.cfi_offset w29, -16
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stur wzr, [x29, #-4]
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stur w0, [x29, #-8]
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str x1, [sp, #16]
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.Ltmp4:
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.loc 1 5 7 prologue_end // tiny.cc:5:7
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ldur w0, [x29, #-8]
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cmp w0, #1 // =1
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b.ne .LBB2_2
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// BB#1:
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.loc 1 0 7 is_stmt 0 // tiny.cc:0:7
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adrp x8, _Z1av
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add x8, x8, :lo12:_Z1av
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.loc 1 6 9 is_stmt 1 // tiny.cc:6:9
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str x8, [sp, #8]
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.loc 1 6 5 is_stmt 0 // tiny.cc:6:5
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b .LBB2_3
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.LBB2_2:
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.loc 1 0 5 // tiny.cc:0:5
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adrp x8, _Z1bv
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add x8, x8, :lo12:_Z1bv
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.loc 1 8 9 is_stmt 1 // tiny.cc:8:9
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str x8, [sp, #8]
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.LBB2_3:
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.loc 1 9 10 // tiny.cc:9:10
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ldr x8, [sp, #8]
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blr x8
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.loc 1 9 3 is_stmt 0 // tiny.cc:9:3
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ldp x29, x30, [sp, #32] // 8-byte Folded Reload
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add sp, sp, #48 // =48
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ret
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.Ltmp5:
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.Lfunc_end2:
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.size main, .Lfunc_end2-main
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.cfi_endproc
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.section .debug_str,"MS",@progbits,1
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.Linfo_string0:
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.asciz "clang version 4.0.1-10 (tags/RELEASE_401/final)" // string offset=0
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.Linfo_string1:
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.asciz "tiny.cc" // string offset=48
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.Linfo_string2:
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.asciz "/tmp" // string offset=56
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.section .debug_loc,"",@progbits
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.section .debug_abbrev,"",@progbits
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.Lsection_abbrev:
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.byte 1 // Abbreviation Code
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.byte 17 // DW_TAG_compile_unit
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.byte 0 // DW_CHILDREN_no
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.byte 37 // DW_AT_producer
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.byte 14 // DW_FORM_strp
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.byte 19 // DW_AT_language
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.byte 5 // DW_FORM_data2
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.byte 3 // DW_AT_name
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.byte 14 // DW_FORM_strp
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.byte 16 // DW_AT_stmt_list
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.byte 23 // DW_FORM_sec_offset
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.byte 27 // DW_AT_comp_dir
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.byte 14 // DW_FORM_strp
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.byte 17 // DW_AT_low_pc
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.byte 1 // DW_FORM_addr
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.byte 18 // DW_AT_high_pc
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.byte 6 // DW_FORM_data4
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.byte 0 // EOM(1)
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.byte 0 // EOM(2)
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.byte 0 // EOM(3)
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.section .debug_info,"",@progbits
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.Lsection_info:
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.Lcu_begin0:
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.word 38 // Length of Unit
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.hword 4 // DWARF version number
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.word .Lsection_abbrev // Offset Into Abbrev. Section
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.byte 8 // Address Size (in bytes)
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.byte 1 // Abbrev [1] 0xb:0x1f DW_TAG_compile_unit
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.word .Linfo_string0 // DW_AT_producer
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.hword 4 // DW_AT_language
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.word .Linfo_string1 // DW_AT_name
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.word .Lline_table_start0 // DW_AT_stmt_list
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.word .Linfo_string2 // DW_AT_comp_dir
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.xword .Lfunc_begin0 // DW_AT_low_pc
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.word .Lfunc_end2-.Lfunc_begin0 // DW_AT_high_pc
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.section .debug_ranges,"",@progbits
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.Ldebug_range:
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.section .debug_macinfo,"",@progbits
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.Ldebug_macinfo:
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.Lcu_macro_begin0:
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.byte 0 // End Of Macro List Mark
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.ident "clang version 4.0.1-10 (tags/RELEASE_401/final)"
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.section ".note.GNU-stack","",@progbits
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.section .debug_line,"",@progbits
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.Lline_table_start0:
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