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clang-p2996/llvm/test/CodeGen/X86/lifetime-alias.ll
Roman Lebedev 0aef747b84 [NFC][X86][Codegen] Megacommit: mass-regenerate all check lines that were already autogenerated 
The motivation is that the update script has at least two deviations
(`<...>@GOT`/`<...>@PLT`/ and not hiding pointer arithmetics) from
what pretty much all the checklines were generated with,
and most of the tests are still not updated, so each time one of the
non-up-to-date tests is updated to see the effect of the code change,
there is a lot of noise. Instead of having to deal with that each
time, let's just deal with everything at once.

This has been done via:
```
cd llvm-project/llvm/test/CodeGen/X86
grep -rl "; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py" | xargs -L1 <...>/llvm-project/llvm/utils/update_llc_test_checks.py --llc-binary <...>/llvm-project/build/bin/llc
```

Not all tests were regenerated, however.
2021-06-11 23:57:02 +03:00

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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s -check-prefix=CHECK
source_filename = "test_case.cc"
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
%"class.std::__3::basic_string" = type { %"class.std::__3::__compressed_pair" }
%"class.std::__3::__compressed_pair" = type { %"struct.std::__3::__compressed_pair_elem" }
%"struct.std::__3::__compressed_pair_elem" = type { %"struct.std::__3::basic_string<char, std::__3::char_traits<char>, std::__3::allocator<char> >::__rep" }
%"struct.std::__3::basic_string<char, std::__3::char_traits<char>, std::__3::allocator<char> >::__rep" = type { %union.anon }
%union.anon = type { %"struct.std::__3::basic_string<char, std::__3::char_traits<char>, std::__3::allocator<char> >::__long" }
%"struct.std::__3::basic_string<char, std::__3::char_traits<char>, std::__3::allocator<char> >::__long" = type { i8*, i64, i64 }
%struct.Agg = type { %"class.std::__3::basic_string", %"class.std::__3::basic_string" }
%"struct.std::__3::basic_string<char, std::__3::char_traits<char>, std::__3::allocator<char> >::__short" = type { [23 x i8], %struct.anon }
%struct.anon = type { i8 }
@do_not_optimize = dso_local global i8* null, align 8
@.str = private unnamed_addr constant [12 x i8] c"The Culture\00", align 1
@.str.1 = private unnamed_addr constant [22 x i8] c"FunnyItWorkedLastTime\00", align 1
@.str.2 = private unnamed_addr constant [19 x i8] c"agg.a2_[16] == 't'\00", align 1
@.str.3 = private unnamed_addr constant [13 x i8] c"test_case.cc\00", align 1
@__PRETTY_FUNCTION__.main = private unnamed_addr constant [11 x i8] c"int main()\00", align 1
; Function Attrs: norecurse uwtable
define i8 @main() local_unnamed_addr #0 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
; CHECK-LABEL: main:
; CHECK: # %bb.0: # %_ZNSt3__312basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEED2Ev.exit50
; CHECK-NEXT: pushq %rax
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: movaps {{.*#+}} xmm0 = [97,97,97,97,97,97,97,97,97,97,97,97,97,97,97,97]
; CHECK-NEXT: movaps %xmm0, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movabsq $7016996765293437281, %rax # imm = 0x6161616161616161
; CHECK-NEXT: movq %rax, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movw $5632, {{[0-9]+}}(%rsp) # imm = 0x1600
; CHECK-NEXT: xorps %xmm0, %xmm0
; CHECK-NEXT: movaps %xmm0, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movb $11, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movabsq $8389209137051166804, %rax # imm = 0x746C754320656854
; CHECK-NEXT: movq %rax, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movl $1701999988, -{{[0-9]+}}(%rsp) # imm = 0x65727574
; CHECK-NEXT: movb $0, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movaps %xmm0, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movb $21, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movabsq $7308613581744070988, %rax # imm = 0x656D69547473614C
; CHECK-NEXT: movq %rax, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movups .L.str.1(%rip), %xmm1
; CHECK-NEXT: movaps %xmm1, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movb $0, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movq -{{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movq -{{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movzwl -{{[0-9]+}}(%rsp), %eax
; CHECK-NEXT: movw %ax, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movb -{{[0-9]+}}(%rsp), %al
; CHECK-NEXT: movb %al, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movb -{{[0-9]+}}(%rsp), %al
; CHECK-NEXT: movb %al, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movl -{{[0-9]+}}(%rsp), %eax
; CHECK-NEXT: movl %eax, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movaps %xmm0, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movq -{{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movaps -{{[0-9]+}}(%rsp), %xmm1
; CHECK-NEXT: movups %xmm1, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movaps %xmm0, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: leaq -{{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, do_not_optimize(%rip)
; CHECK-NEXT: leaq -{{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, do_not_optimize(%rip)
; CHECK-NEXT: cmpb $0, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: jns .LBB0_1
; CHECK-NEXT: # %bb.2: # %_ZNSt3__312basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEED2Ev.exit50
; CHECK-NEXT: movq -{{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: jmp .LBB0_3
; CHECK-NEXT: .LBB0_1:
; CHECK-NEXT: leaq -{{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: .LBB0_3: # %_ZNSt3__312basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEED2Ev.exit50
; CHECK-NEXT: movb 16(%rax), %al
; CHECK-NEXT: popq %rcx
; CHECK-NEXT: .cfi_def_cfa_offset 8
; CHECK-NEXT: retq
_ZNSt3__312basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEED2Ev.exit50:
%padding = alloca %"class.std::__3::basic_string", align 8
%agg = alloca %struct.Agg, align 8
%agg.tmp = alloca %"class.std::__3::basic_string", align 8
%agg.tmp1 = alloca %"class.std::__3::basic_string", align 8
%0 = bitcast %"class.std::__3::basic_string"* %padding to i8*
call void @llvm.lifetime.start.p0i8(i64 24, i8* nonnull %0) #4
%__s2.i.i.i = bitcast %"class.std::__3::basic_string"* %padding to %"struct.std::__3::basic_string<char, std::__3::char_traits<char>, std::__3::allocator<char> >::__short"*
%__size_.i23.i.i = getelementptr inbounds %"struct.std::__3::basic_string<char, std::__3::char_traits<char>, std::__3::allocator<char> >::__short", %"struct.std::__3::basic_string<char, std::__3::char_traits<char>, std::__3::allocator<char> >::__short"* %__s2.i.i.i, i64 0, i32 1, i32 0
store i8 22, i8* %__size_.i23.i.i, align 1, !tbaa !2
call void @llvm.memset.p0i8.i64(i8* nonnull align 8 %0, i8 97, i64 22, i1 false) #4
%arrayidx.i.i = getelementptr inbounds i8, i8* %0, i64 22
store i8 0, i8* %arrayidx.i.i, align 2, !tbaa !2
%1 = bitcast %struct.Agg* %agg to i8*
call void @llvm.lifetime.start.p0i8(i64 48, i8* nonnull %1) #4
%2 = bitcast %"class.std::__3::basic_string"* %agg.tmp to i8*
call void @llvm.memset.p0i8.i64(i8* nonnull align 8 %2, i8 0, i64 24, i1 false) #4
%__s2.i.i.i10 = bitcast %"class.std::__3::basic_string"* %agg.tmp to %"struct.std::__3::basic_string<char, std::__3::char_traits<char>, std::__3::allocator<char> >::__short"*
%__size_.i23.i.i11 = getelementptr inbounds %"struct.std::__3::basic_string<char, std::__3::char_traits<char>, std::__3::allocator<char> >::__short", %"struct.std::__3::basic_string<char, std::__3::char_traits<char>, std::__3::allocator<char> >::__short"* %__s2.i.i.i10, i64 0, i32 1, i32 0
store i8 11, i8* %__size_.i23.i.i11, align 1, !tbaa !2
call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 8 %2, i8* align 1 getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i64 11, i1 false) #4
%arrayidx.i.i12 = getelementptr inbounds i8, i8* %2, i64 11
store i8 0, i8* %arrayidx.i.i12, align 1, !tbaa !2
%3 = bitcast %"class.std::__3::basic_string"* %agg.tmp1 to i8*
call void @llvm.memset.p0i8.i64(i8* nonnull align 8 %3, i8 0, i64 24, i1 false) #4
%__s2.i.i.i27 = bitcast %"class.std::__3::basic_string"* %agg.tmp1 to %"struct.std::__3::basic_string<char, std::__3::char_traits<char>, std::__3::allocator<char> >::__short"*
%__size_.i23.i.i28 = getelementptr inbounds %"struct.std::__3::basic_string<char, std::__3::char_traits<char>, std::__3::allocator<char> >::__short", %"struct.std::__3::basic_string<char, std::__3::char_traits<char>, std::__3::allocator<char> >::__short"* %__s2.i.i.i27, i64 0, i32 1, i32 0
store i8 21, i8* %__size_.i23.i.i28, align 1, !tbaa !2
call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 8 %3, i8* align 1 getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), i64 21, i1 false) #4
%arrayidx.i.i34 = getelementptr inbounds i8, i8* %3, i64 21
store i8 0, i8* %arrayidx.i.i34, align 1, !tbaa !2
call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 8 %1, i8* nonnull align 8 %2, i64 24, i1 false) #4
call void @llvm.memset.p0i8.i64(i8* nonnull align 8 %2, i8 0, i64 24, i1 false) #4
%a2_.i = getelementptr inbounds %struct.Agg, %struct.Agg* %agg, i64 0, i32 1
%4 = bitcast %"class.std::__3::basic_string"* %a2_.i to i8*
call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 8 %4, i8* nonnull align 8 %3, i64 24, i1 false) #4
call void @llvm.memset.p0i8.i64(i8* nonnull align 8 %3, i8 0, i64 24, i1 false) #4
store volatile i8* %0, i8** @do_not_optimize, align 8, !tbaa !5
store volatile i8* %1, i8** @do_not_optimize, align 8, !tbaa !5
%__s.i.i.i = bitcast %"class.std::__3::basic_string"* %a2_.i to %"struct.std::__3::basic_string<char, std::__3::char_traits<char>, std::__3::allocator<char> >::__short"*
%__size_.i.i.i51 = getelementptr inbounds %"struct.std::__3::basic_string<char, std::__3::char_traits<char>, std::__3::allocator<char> >::__short", %"struct.std::__3::basic_string<char, std::__3::char_traits<char>, std::__3::allocator<char> >::__short"* %__s.i.i.i, i64 0, i32 1, i32 0
%5 = load i8, i8* %__size_.i.i.i51, align 1, !tbaa !2
%tobool.i.i.i = icmp slt i8 %5, 0
%__data_.i.i.i52 = getelementptr inbounds %"class.std::__3::basic_string", %"class.std::__3::basic_string"* %a2_.i, i64 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0
%6 = load i8*, i8** %__data_.i.i.i52, align 8
%cond.i.i = select i1 %tobool.i.i.i, i8* %6, i8* %4
%add.ptr.i = getelementptr inbounds i8, i8* %cond.i.i, i64 16
%7 = load i8, i8* %add.ptr.i, align 1, !tbaa !2
ret i8 %7
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture) #1
declare dso_local i32 @__gxx_personality_v0(...)
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture) #1
; Function Attrs: argmemonly nounwind
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1 immarg) #1
; Function Attrs: argmemonly nounwind
declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i1 immarg) #1
attributes #0 = { norecurse uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { argmemonly nounwind }
attributes #2 = { noreturn nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #3 = { nobuiltin nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #4 = { nounwind }
attributes #5 = { noreturn nounwind }
attributes #6 = { builtin nounwind }
!llvm.module.flags = !{!0}
!llvm.ident = !{!1}
!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{!"clang version 9.0.0 (https://git.llvm.org/git/clang.git 6bb42abb270b5879a3acd289ca42341115a3cb46) (https://git.llvm.org/git/llvm.git ab39cf6afa9acdc108d16e7194a0d82619b044d6)"}
!2 = !{!3, !3, i64 0}
!3 = !{!"omnipotent char", !4, i64 0}
!4 = !{!"Simple C++ TBAA"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !3, i64 0}
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