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1; NOTE: Code has been autogenerated by utils/update_test_body.py2; REQUIRES: aarch643 4; RUN: rm -rf %t && split-file %s %t5 6; RUN: llc -filetype=obj %t/a.ll -O3 -o %t/a.o -enable-machine-outliner=never -mtriple arm64-apple-macos -addrsig7; RUN: %lld -arch arm64 -lSystem --icf=safe_thunks -dylib -o %t/a.dylib -map %t/a.map %t/a.o8; RUN: llvm-objdump %t/a.dylib -d --macho | FileCheck %s --check-prefixes=CHECK-ARM649; RUN: cat %t/a.map | FileCheck %s --check-prefixes=CHECK-ARM64-MAP10 11; CHECK-ARM64: (__TEXT,__text) section12; CHECK-ARM64-NEXT: _func_unique_1:13; CHECK-ARM64-NEXT: mov {{.*}}, #0x114;15; CHECK-ARM64: _func_unique_2_canmerge:16; CHECK-ARM64-NEXT: _func_2identical_v1:17; CHECK-ARM64-NEXT: mov {{.*}}, #0x218;19; CHECK-ARM64: _func_3identical_v1:20; CHECK-ARM64-NEXT: mov {{.*}}, #0x321;22; CHECK-ARM64: _func_3identical_v1_canmerge:23; CHECK-ARM64-NEXT: _func_3identical_v2_canmerge:24; CHECK-ARM64-NEXT: _func_3identical_v3_canmerge:25; CHECK-ARM64-NEXT: mov {{.*}}, #0x2126;27; CHECK-ARM64: _func_call_thunked_1_nomerge:28; CHECK-ARM64-NEXT: stp x2929;30; CHECK-ARM64: _func_call_thunked_2_nomerge:31; CHECK-ARM64-NEXT: _func_call_thunked_2_merge:32; CHECK-ARM64-NEXT: stp x2933;34; CHECK-ARM64: _call_all_funcs:35; CHECK-ARM64-NEXT: stp x2936;37; CHECK-ARM64: _take_func_addr:38; CHECK-ARM64-NEXT: adr39;40; CHECK-ARM64: _func_2identical_v2:41; CHECK-ARM64-NEXT: b _func_2identical_v142; CHECK-ARM64-NEXT: _func_3identical_v2:43; CHECK-ARM64-NEXT: b _func_3identical_v144; CHECK-ARM64-NEXT: _func_3identical_v3:45; CHECK-ARM64-NEXT: b _func_3identical_v146 47 48; CHECK-ARM64-MAP: 0x00000010 [ 2] _func_unique_149; CHECK-ARM64-MAP-NEXT: 0x00000010 [ 2] _func_2identical_v150; CHECK-ARM64-MAP-NEXT: 0x00000000 [ 2] _func_unique_2_canmerge51; CHECK-ARM64-MAP-NEXT: 0x00000010 [ 2] _func_3identical_v152; CHECK-ARM64-MAP-NEXT: 0x00000010 [ 2] _func_3identical_v1_canmerge53; CHECK-ARM64-MAP-NEXT: 0x00000000 [ 2] _func_3identical_v2_canmerge54; CHECK-ARM64-MAP-NEXT: 0x00000000 [ 2] _func_3identical_v3_canmerge55; CHECK-ARM64-MAP-NEXT: 0x00000020 [ 2] _func_call_thunked_1_nomerge56; CHECK-ARM64-MAP-NEXT: 0x00000020 [ 2] _func_call_thunked_2_nomerge57; CHECK-ARM64-MAP-NEXT: 0x00000000 [ 2] _func_call_thunked_2_merge58; CHECK-ARM64-MAP-NEXT: 0x00000034 [ 2] _call_all_funcs59; CHECK-ARM64-MAP-NEXT: 0x00000050 [ 2] _take_func_addr60; CHECK-ARM64-MAP-NEXT: 0x00000004 [ 2] _func_2identical_v261; CHECK-ARM64-MAP-NEXT: 0x00000004 [ 2] _func_3identical_v262; CHECK-ARM64-MAP-NEXT: 0x00000004 [ 2] _func_3identical_v363 64;--- a.cpp65#define ATTR __attribute__((noinline)) extern "C"66typedef unsigned long long ULL;67 68volatile char g_val = 0;69void *volatile g_ptr = 0;70 71ATTR void func_unique_1() { g_val = 1; }72 73ATTR void func_unique_2_canmerge() { g_val = 2; }74 75ATTR void func_2identical_v1() { g_val = 2; }76 77ATTR void func_2identical_v2() { g_val = 2; }78 79ATTR void func_3identical_v1() { g_val = 3; }80 81ATTR void func_3identical_v2() { g_val = 3; }82 83ATTR void func_3identical_v3() { g_val = 3; }84 85ATTR void func_3identical_v1_canmerge() { g_val = 33; }86 87ATTR void func_3identical_v2_canmerge() { g_val = 33; }88 89ATTR void func_3identical_v3_canmerge() { g_val = 33; }90 91ATTR void func_call_thunked_1_nomerge() {92 func_2identical_v1();93 g_val = 77;94}95 96ATTR void func_call_thunked_2_nomerge() {97 func_2identical_v2();98 g_val = 77;99}100 101ATTR void func_call_thunked_2_merge() {102 func_2identical_v2();103 g_val = 77;104}105 106ATTR void call_all_funcs() {107 func_unique_1();108 func_unique_2_canmerge();109 func_2identical_v1();110 func_2identical_v2();111 func_3identical_v1();112 func_3identical_v2();113 func_3identical_v3();114 func_3identical_v1_canmerge();115 func_3identical_v2_canmerge();116 func_3identical_v3_canmerge();117}118 119ATTR void take_func_addr() {120 g_ptr = (void*)func_unique_1;121 g_ptr = (void*)func_2identical_v1;122 g_ptr = (void*)func_2identical_v2;123 g_ptr = (void*)func_3identical_v1;124 g_ptr = (void*)func_3identical_v2;125 g_ptr = (void*)func_3identical_v3;126}127 128;--- gen129clang -target arm64-apple-macos11.0 -S -emit-llvm a.cpp -O3 -o -130 131;--- a.ll132; ModuleID = 'a.cpp'133source_filename = "a.cpp"134target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128-Fn32"135target triple = "arm64-apple-macosx11.0.0"136 137@g_val = global i8 0, align 1138@g_ptr = global ptr null, align 8139 140; Function Attrs: mustprogress nofree noinline norecurse nounwind ssp memory(readwrite, argmem: none) uwtable(sync)141define void @func_unique_1() #0 {142 store volatile i8 1, ptr @g_val, align 1, !tbaa !4143 ret void144}145 146; Function Attrs: mustprogress nofree noinline norecurse nounwind ssp memory(readwrite, argmem: none) uwtable(sync)147define void @func_unique_2_canmerge() local_unnamed_addr #0 {148 store volatile i8 2, ptr @g_val, align 1, !tbaa !4149 ret void150}151 152; Function Attrs: mustprogress nofree noinline norecurse nounwind ssp memory(readwrite, argmem: none) uwtable(sync)153define void @func_2identical_v1() #0 {154 store volatile i8 2, ptr @g_val, align 1, !tbaa !4155 ret void156}157 158; Function Attrs: mustprogress nofree noinline norecurse nounwind ssp memory(readwrite, argmem: none) uwtable(sync)159define void @func_2identical_v2() #0 {160 store volatile i8 2, ptr @g_val, align 1, !tbaa !4161 ret void162}163 164; Function Attrs: mustprogress nofree noinline norecurse nounwind ssp memory(readwrite, argmem: none) uwtable(sync)165define void @func_3identical_v1() #0 {166 store volatile i8 3, ptr @g_val, align 1, !tbaa !4167 ret void168}169 170; Function Attrs: mustprogress nofree noinline norecurse nounwind ssp memory(readwrite, argmem: none) uwtable(sync)171define void @func_3identical_v2() #0 {172 store volatile i8 3, ptr @g_val, align 1, !tbaa !4173 ret void174}175 176; Function Attrs: mustprogress nofree noinline norecurse nounwind ssp memory(readwrite, argmem: none) uwtable(sync)177define void @func_3identical_v3() #0 {178 store volatile i8 3, ptr @g_val, align 1, !tbaa !4179 ret void180}181 182; Function Attrs: mustprogress nofree noinline norecurse nounwind ssp memory(readwrite, argmem: none) uwtable(sync)183define void @func_3identical_v1_canmerge() local_unnamed_addr #0 {184 store volatile i8 33, ptr @g_val, align 1, !tbaa !4185 ret void186}187 188; Function Attrs: mustprogress nofree noinline norecurse nounwind ssp memory(readwrite, argmem: none) uwtable(sync)189define void @func_3identical_v2_canmerge() local_unnamed_addr #0 {190 store volatile i8 33, ptr @g_val, align 1, !tbaa !4191 ret void192}193 194; Function Attrs: mustprogress nofree noinline norecurse nounwind ssp memory(readwrite, argmem: none) uwtable(sync)195define void @func_3identical_v3_canmerge() local_unnamed_addr #0 {196 store volatile i8 33, ptr @g_val, align 1, !tbaa !4197 ret void198}199 200; Function Attrs: mustprogress nofree noinline norecurse nounwind ssp uwtable(sync)201define void @func_call_thunked_1_nomerge() local_unnamed_addr #1 {202 tail call void @func_2identical_v1()203 store volatile i8 77, ptr @g_val, align 1, !tbaa !4204 ret void205}206 207; Function Attrs: mustprogress nofree noinline norecurse nounwind ssp uwtable(sync)208define void @func_call_thunked_2_nomerge() local_unnamed_addr #1 {209 tail call void @func_2identical_v2()210 store volatile i8 77, ptr @g_val, align 1, !tbaa !4211 ret void212}213 214; Function Attrs: mustprogress nofree noinline norecurse nounwind ssp uwtable(sync)215define void @func_call_thunked_2_merge() local_unnamed_addr #1 {216 tail call void @func_2identical_v2()217 store volatile i8 77, ptr @g_val, align 1, !tbaa !4218 ret void219}220 221; Function Attrs: mustprogress nofree noinline norecurse nounwind ssp uwtable(sync)222define void @call_all_funcs() local_unnamed_addr #1 {223 tail call void @func_unique_1()224 tail call void @func_unique_2_canmerge()225 tail call void @func_2identical_v1()226 tail call void @func_2identical_v2()227 tail call void @func_3identical_v1()228 tail call void @func_3identical_v2()229 tail call void @func_3identical_v3()230 tail call void @func_3identical_v1_canmerge()231 tail call void @func_3identical_v2_canmerge()232 tail call void @func_3identical_v3_canmerge()233 ret void234}235 236; Function Attrs: mustprogress nofree noinline norecurse nounwind ssp memory(readwrite, argmem: none) uwtable(sync)237define void @take_func_addr() local_unnamed_addr #0 {238 store volatile ptr @func_unique_1, ptr @g_ptr, align 8, !tbaa !7239 store volatile ptr @func_2identical_v1, ptr @g_ptr, align 8, !tbaa !7240 store volatile ptr @func_2identical_v2, ptr @g_ptr, align 8, !tbaa !7241 store volatile ptr @func_3identical_v1, ptr @g_ptr, align 8, !tbaa !7242 store volatile ptr @func_3identical_v2, ptr @g_ptr, align 8, !tbaa !7243 store volatile ptr @func_3identical_v3, ptr @g_ptr, align 8, !tbaa !7244 ret void245}246 247attributes #0 = { mustprogress nofree noinline norecurse nounwind ssp memory(readwrite, argmem: none) uwtable(sync) "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="apple-m1" "target-features"="+aes,+altnzcv,+ccdp,+ccidx,+complxnum,+crc,+dit,+dotprod,+flagm,+fp-armv8,+fp16fml,+fptoint,+fullfp16,+jsconv,+lse,+neon,+pauth,+perfmon,+predres,+ras,+rcpc,+rdm,+sb,+sha2,+sha3,+specrestrict,+ssbs,+v8.1a,+v8.2a,+v8.3a,+v8.4a,+v8a" }248attributes #1 = { mustprogress nofree noinline norecurse nounwind ssp uwtable(sync) "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="apple-m1" "target-features"="+aes,+altnzcv,+ccdp,+ccidx,+complxnum,+crc,+dit,+dotprod,+flagm,+fp-armv8,+fp16fml,+fptoint,+fullfp16,+jsconv,+lse,+neon,+pauth,+perfmon,+predres,+ras,+rcpc,+rdm,+sb,+sha2,+sha3,+specrestrict,+ssbs,+v8.1a,+v8.2a,+v8.3a,+v8.4a,+v8a" }249 250!llvm.module.flags = !{!0, !1, !2, !3}251 252!0 = !{i32 1, !"wchar_size", i32 4}253!1 = !{i32 8, !"PIC Level", i32 2}254!2 = !{i32 7, !"uwtable", i32 1}255!3 = !{i32 7, !"frame-pointer", i32 1}256!4 = !{!5, !5, i64 0}257!5 = !{!"omnipotent char", !6, i64 0}258!6 = !{!"Simple C++ TBAA"}259!7 = !{!8, !8, i64 0}260!8 = !{!"any pointer", !5, i64 0}261