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1# REQUIRES: x862# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin19.0.0 -emit-compact-unwind-non-canonical=true %s -o %t.o3# RUN: %lld -arch x86_64 -dylib %t.o -o %t.dylib4# RUN: llvm-objdump --macho --syms --unwind-info %t.dylib | FileCheck %s5 6## Both _f and _g have the same compact unwind encoding,7## but different stack sizes. So their compact unwindings8## can't be merged.9# CHECK: SYMBOL TABLE:10# CHECK: [[#%x,F:]] g F __TEXT,__text _f11# CHECK: [[#%x,G:]] g F __TEXT,__text _g12# CHECK: Number of common encodings in array: 0x113# CHECK: Common encodings: (count = 1)14# CHECK: encoding[0]: 0x0303200015# CHECK: Second level indices:16# CHECK: Second level index[0]:17# CHECK: [0]: function offset=0x[[#%.8x,F]], encoding[0]=0x0303200018# CHECK: [1]: function offset=0x[[#%.8x,G]], encoding[0]=0x0303200019 20## Based on compiling21## int f() {22## char alloca[3260] = { 0 };23## return alloca[0];24## }25##26## int g() {27## char alloca[2560] = { 0 };28## return alloca[0];29## }30## with `-fomit-frame-pointer -fno-stack-protector -S`.31.section __TEXT,__text,regular,pure_instructions32.build_version macos, 10, 15 sdk_version 10, 15, 633 34.globl _f35.p2align 4, 0x9036_f:37 .cfi_startproc38 subq $3272, %rsp39 .cfi_def_cfa_offset 328040 addq $3272, %rsp41 retq42 .cfi_endproc43 44.globl _g45.p2align 4, 0x9046_g:47 .cfi_startproc48 subq $2568, %rsp49 .cfi_def_cfa_offset 257650 addq $2568, %rsp51 retq52 .cfi_endproc53 54.subsections_via_symbols55