derek.holloway
7502bf64a4
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209 lines
5.6 KiB
ArmAsm
209 lines
5.6 KiB
ArmAsm
# REQUIRES: aarch64
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# RUN: rm -rf %t && split-file %s %t && cd %t
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# RUN: llvm-mc -filetype=obj -triple=aarch64 a.s -o a.o
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# RUN: llvm-profdata merge a.proftext -o a.profdata
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## Simple glob: all .text* sections in one group.
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# RUN: ld.lld a.o -o simple.out \
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# RUN: --bp-compression-sort-section=".text*" \
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# RUN: --verbose-bp-section-orderer 2>&1 | FileCheck %s --check-prefix=SIMPLE
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## Deprecated --bp-compression-sort=function still works.
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# RUN: ld.lld a.o -o deprecated.out \
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# RUN: --bp-compression-sort=function \
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# RUN: --verbose-bp-section-orderer 2>&1 | FileCheck %s --check-prefix=LEGACY-FUNCTION
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# SIMPLE: Sections for compression: 7
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# SIMPLE: Compression groups: 1
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# SIMPLE: .text*: 7 sections
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# LEGACY-FUNCTION: Sections for compression: 7
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# LEGACY-FUNCTION: Compression groups: 1
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# LEGACY-FUNCTION: legacy:function: 7 sections
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## Layout priority: .text.unlikely*, .text*, .text.split*
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# RUN: ld.lld a.o -o layout.out \
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# RUN: --bp-compression-sort-section=".text*=1" \
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# RUN: --bp-compression-sort-section=".text.unlikely*=0" \
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# RUN: --bp-compression-sort-section=".text.split*=2" \
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# RUN: --verbose-bp-section-orderer 2>&1 | FileCheck %s --check-prefix=LAYOUT
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# RUN: llvm-nm -jn layout.out | FileCheck %s --check-prefix=LAYOUT-ORDER
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# LAYOUT: Sections for compression: 7
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# LAYOUT: Compression groups: 3
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# LAYOUT: .text.unlikely*: 2 sections
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# LAYOUT: .text*: 4 sections
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# LAYOUT: .text.split*: 1 sections
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# LAYOUT-ORDER: cold1
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# LAYOUT-ORDER: hot1
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# LAYOUT-ORDER: cold_split1
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## Match priority: explicit match_priority wins
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# RUN: ld.lld a.o -o match.out \
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# RUN: --bp-compression-sort-section=".text.unlikely*=2=0" \
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# RUN: --bp-compression-sort-section=".text*=0" \
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# RUN: --verbose-bp-section-orderer 2>&1 | FileCheck %s --check-prefix=MATCH
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# RUN: llvm-nm -jn match.out | FileCheck %s --check-prefix=MATCH-ORDER
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## Match priority: lower match_priority wins
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# RUN: ld.lld a.o -o match-prio.out \
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# RUN: --bp-compression-sort-section=".text*=0=1" \
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# RUN: --bp-compression-sort-section=".text.unlikely*=2=0" \
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# RUN: --verbose-bp-section-orderer 2>&1 | FileCheck %s --check-prefix=MATCH
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# RUN: llvm-nm -jn match-prio.out | FileCheck %s --check-prefix=MATCH-ORDER
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# MATCH: Sections for compression: 7
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# MATCH: Compression groups: 2
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# MATCH: .text*: 5 sections
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# MATCH: .text.unlikely*: 2 sections
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# MATCH-ORDER: main
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# MATCH-ORDER: cold1
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## Match priority tie: last match wins
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# RUN: ld.lld a.o -o match-tie.out \
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# RUN: --bp-compression-sort-section=".text.unlikely*=0=0" \
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# RUN: --bp-compression-sort-section=".text*=0=0" \
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# RUN: --verbose-bp-section-orderer 2>&1 | FileCheck %s --check-prefix=MATCH-TIE
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# MATCH-TIE: Compression groups: 1
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# MATCH-TIE: .text*: 7 sections
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## Layout priority tie: groups ordered by glob string
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# RUN: ld.lld a.o -o layout-tie.out \
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# RUN: --bp-compression-sort-section=".text.unlikely*=0=1" \
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# RUN: --bp-compression-sort-section=".text.split*=0=2" \
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# RUN: --bp-compression-sort-section=".text*=0" \
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# RUN: --verbose-bp-section-orderer 2>&1 | FileCheck %s --check-prefix=LAYOUT-TIE
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# RUN: llvm-nm -jn layout-tie.out | FileCheck %s --check-prefix=LAYOUT-TIE-ORDER
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# LAYOUT-TIE: Compression groups: 3
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# LAYOUT-TIE: .text*: 4 sections
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# LAYOUT-TIE: .text.split*: 1 sections
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# LAYOUT-TIE: .text.unlikely*: 2 sections
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# LAYOUT-TIE-ORDER: main
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# LAYOUT-TIE-ORDER: cold_split1
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# LAYOUT-TIE-ORDER: cold1
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## Startup sort + compression: startup, .text*, .text.unlikely*, .text.split*
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# RUN: ld.lld a.o -o startup-compr.out --irpgo-profile=a.profdata \
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# RUN: --bp-startup-sort=function \
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# RUN: --bp-compression-sort-section=".text*=0" \
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# RUN: --bp-compression-sort-section=".text.unlikely*=1=1" \
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# RUN: --bp-compression-sort-section=".text.split*=2=1" \
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# RUN: --verbose-bp-section-orderer 2>&1 | FileCheck %s --check-prefix=STARTUP
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# RUN: llvm-nm -jn startup-compr.out | FileCheck %s --check-prefix=STARTUP-ORDER
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# STARTUP: Functions for startup: 2
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# STARTUP: Sections for compression: 5
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# STARTUP: Compression groups: 3
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# STARTUP-ORDER: hot1
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# STARTUP-ORDER: main
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# STARTUP-ORDER: cold2
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# STARTUP-ORDER: cold_split1
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#--- a.proftext
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:ir
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:temporal_prof_traces
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# Num Traces
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1
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# Trace Stream Size:
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1
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# Weight
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1
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hot1, cold1
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hot1
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# Func Hash:
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1111
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# Num Counters:
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1
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# Counter Values:
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1
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cold1
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# Func Hash:
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2222
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# Num Counters:
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1
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# Counter Values:
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1
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#--- a.s
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.section .text.split.cold_split1,"ax",@progbits
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.globl cold_split1
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.type cold_split1,@function
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cold_split1:
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add w0, w0, #30
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add w1, w1, #31
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bl main
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ret
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.Lfunc_end_cold_split1:
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.size cold_split1, .Lfunc_end_cold_split1-cold_split1
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.section .text.hot1,"ax",@progbits
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.globl hot1
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.type hot1,@function
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hot1:
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add w0, w0, #1
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add w1, w1, #2
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bl main
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ret
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.Lfunc_end_hot1:
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.size hot1, .Lfunc_end_hot1-hot1
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.section .text.unlikely.cold1,"ax",@progbits
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.globl cold1
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.type cold1,@function
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cold1:
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add w0, w0, #10
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add w1, w1, #11
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bl main
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ret
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.Lfunc_end_cold1:
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.size cold1, .Lfunc_end_cold1-cold1
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.section .text.hot2,"ax",@progbits
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.globl hot2
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.type hot2,@function
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hot2:
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add w0, w0, #2
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add w1, w1, #3
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bl hot1
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ret
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.Lfunc_end_hot2:
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.size hot2, .Lfunc_end_hot2-hot2
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.section .text.unlikely.cold2,"ax",@progbits
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.globl cold2
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.type cold2,@function
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cold2:
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add w0, w0, #20
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add w1, w1, #21
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bl hot1
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ret
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.Lfunc_end_cold2:
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.size cold2, .Lfunc_end_cold2-cold2
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.section .text.hot3,"ax",@progbits
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.globl hot3
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.type hot3,@function
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hot3:
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add w0, w0, #3
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add w1, w1, #4
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bl cold1
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ret
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.Lfunc_end_hot3:
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.size hot3, .Lfunc_end_hot3-hot3
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.section .text.main,"ax",@progbits
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.globl main
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.type main,@function
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main:
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mov w0, wzr
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ret
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.Lfunc_end_main:
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.size main, .Lfunc_end_main-main
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.section ".note.GNU-stack","",@progbits
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