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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s -check-prefix=CHECK3 4source_filename = "test_case.cc"5target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"6target triple = "x86_64-unknown-linux-gnu"7 8%"class.std::__3::basic_string" = type { %"class.std::__3::__compressed_pair" }9%"class.std::__3::__compressed_pair" = type { %"struct.std::__3::__compressed_pair_elem" }10%"struct.std::__3::__compressed_pair_elem" = type { %"struct.std::__3::basic_string<char, std::__3::char_traits<char>, std::__3::allocator<char> >::__rep" }11%"struct.std::__3::basic_string<char, std::__3::char_traits<char>, std::__3::allocator<char> >::__rep" = type { %union.anon }12%union.anon = type { %"struct.std::__3::basic_string<char, std::__3::char_traits<char>, std::__3::allocator<char> >::__long" }13%"struct.std::__3::basic_string<char, std::__3::char_traits<char>, std::__3::allocator<char> >::__long" = type { ptr, i64, i64 }14%struct.Agg = type { %"class.std::__3::basic_string", %"class.std::__3::basic_string" }15%"struct.std::__3::basic_string<char, std::__3::char_traits<char>, std::__3::allocator<char> >::__short" = type { [23 x i8], %struct.anon }16%struct.anon = type { i8 }17 18@do_not_optimize = dso_local global ptr null, align 819@.str = private unnamed_addr constant [12 x i8] c"The Culture\00", align 120@.str.1 = private unnamed_addr constant [22 x i8] c"FunnyItWorkedLastTime\00", align 121@.str.2 = private unnamed_addr constant [19 x i8] c"agg.a2_[16] == 't'\00", align 122@.str.3 = private unnamed_addr constant [13 x i8] c"test_case.cc\00", align 123@__PRETTY_FUNCTION__.main = private unnamed_addr constant [11 x i8] c"int main()\00", align 124 25; Function Attrs: norecurse uwtable26define i8 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {27; CHECK-LABEL: main:28; CHECK: # %bb.0: # %_ZNSt3__312basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEED2Ev.exit5029; CHECK-NEXT: pushq %rax30; CHECK-NEXT: .cfi_def_cfa_offset 1631; CHECK-NEXT: movaps {{.*#+}} xmm0 = [97,97,97,97,97,97,97,97,97,97,97,97,97,97,97,97]32; CHECK-NEXT: movaps %xmm0, -{{[0-9]+}}(%rsp)33; CHECK-NEXT: movabsq $7016996765293437281, %rax # imm = 0x616161616161616134; CHECK-NEXT: movq %rax, -{{[0-9]+}}(%rsp)35; CHECK-NEXT: movw $5632, {{[0-9]+}}(%rsp) # imm = 0x160036; CHECK-NEXT: xorps %xmm0, %xmm037; CHECK-NEXT: movaps %xmm0, -{{[0-9]+}}(%rsp)38; CHECK-NEXT: movq $0, -{{[0-9]+}}(%rsp)39; CHECK-NEXT: movb $11, -{{[0-9]+}}(%rsp)40; CHECK-NEXT: movabsq $8389209137051166804, %rax # imm = 0x746C75432065685441; CHECK-NEXT: movq %rax, -{{[0-9]+}}(%rsp)42; CHECK-NEXT: movl $1701999988, -{{[0-9]+}}(%rsp) # imm = 0x6572757443; CHECK-NEXT: movb $0, -{{[0-9]+}}(%rsp)44; CHECK-NEXT: movaps %xmm0, -{{[0-9]+}}(%rsp)45; CHECK-NEXT: movq $0, -{{[0-9]+}}(%rsp)46; CHECK-NEXT: movb $21, -{{[0-9]+}}(%rsp)47; CHECK-NEXT: movabsq $7308613581744070988, %rax # imm = 0x656D69547473614C48; CHECK-NEXT: movq %rax, -{{[0-9]+}}(%rsp)49; CHECK-NEXT: movups .L.str.1(%rip), %xmm150; CHECK-NEXT: movaps %xmm1, -{{[0-9]+}}(%rsp)51; CHECK-NEXT: movb $0, -{{[0-9]+}}(%rsp)52; CHECK-NEXT: movq -{{[0-9]+}}(%rsp), %rax53; CHECK-NEXT: movq %rax, -{{[0-9]+}}(%rsp)54; CHECK-NEXT: movq -{{[0-9]+}}(%rsp), %rax55; CHECK-NEXT: movq %rax, -{{[0-9]+}}(%rsp)56; CHECK-NEXT: movzwl -{{[0-9]+}}(%rsp), %eax57; CHECK-NEXT: movw %ax, -{{[0-9]+}}(%rsp)58; CHECK-NEXT: movzbl -{{[0-9]+}}(%rsp), %eax59; CHECK-NEXT: movb %al, -{{[0-9]+}}(%rsp)60; CHECK-NEXT: movzbl -{{[0-9]+}}(%rsp), %eax61; CHECK-NEXT: movb %al, -{{[0-9]+}}(%rsp)62; CHECK-NEXT: movl -{{[0-9]+}}(%rsp), %eax63; CHECK-NEXT: movl %eax, -{{[0-9]+}}(%rsp)64; CHECK-NEXT: movaps %xmm0, -{{[0-9]+}}(%rsp)65; CHECK-NEXT: movq $0, -{{[0-9]+}}(%rsp)66; CHECK-NEXT: movq -{{[0-9]+}}(%rsp), %rax67; CHECK-NEXT: movq %rax, -{{[0-9]+}}(%rsp)68; CHECK-NEXT: movaps -{{[0-9]+}}(%rsp), %xmm169; CHECK-NEXT: movups %xmm1, -{{[0-9]+}}(%rsp)70; CHECK-NEXT: movaps %xmm0, -{{[0-9]+}}(%rsp)71; CHECK-NEXT: movq $0, -{{[0-9]+}}(%rsp)72; CHECK-NEXT: leaq -{{[0-9]+}}(%rsp), %rax73; CHECK-NEXT: movq %rax, do_not_optimize(%rip)74; CHECK-NEXT: leaq -{{[0-9]+}}(%rsp), %rax75; CHECK-NEXT: movq %rax, do_not_optimize(%rip)76; CHECK-NEXT: cmpb $0, -{{[0-9]+}}(%rsp)77; CHECK-NEXT: jns .LBB0_178; CHECK-NEXT: # %bb.2: # %_ZNSt3__312basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEED2Ev.exit5079; CHECK-NEXT: movq -{{[0-9]+}}(%rsp), %rax80; CHECK-NEXT: jmp .LBB0_381; CHECK-NEXT: .LBB0_1:82; CHECK-NEXT: leaq -{{[0-9]+}}(%rsp), %rax83; CHECK-NEXT: .LBB0_3: # %_ZNSt3__312basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEED2Ev.exit5084; CHECK-NEXT: movzbl 16(%rax), %eax85; CHECK-NEXT: popq %rcx86; CHECK-NEXT: .cfi_def_cfa_offset 887; CHECK-NEXT: retq88_ZNSt3__312basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEED2Ev.exit50:89 %padding = alloca %"class.std::__3::basic_string", align 890 %agg = alloca %struct.Agg, align 891 %agg.tmp = alloca %"class.std::__3::basic_string", align 892 %agg.tmp1 = alloca %"class.std::__3::basic_string", align 893 call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %padding) #494 %__size_.i23.i.i = getelementptr inbounds %"struct.std::__3::basic_string<char, std::__3::char_traits<char>, std::__3::allocator<char> >::__short", ptr %padding, i64 0, i32 1, i32 095 store i8 22, ptr %__size_.i23.i.i, align 1, !tbaa !296 call void @llvm.memset.p0.i64(ptr nonnull align 8 %padding, i8 97, i64 22, i1 false) #497 %arrayidx.i.i = getelementptr inbounds i8, ptr %padding, i64 2298 store i8 0, ptr %arrayidx.i.i, align 2, !tbaa !299 call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %agg) #4100 call void @llvm.memset.p0.i64(ptr nonnull align 8 %agg.tmp, i8 0, i64 24, i1 false) #4101 %__size_.i23.i.i11 = getelementptr inbounds %"struct.std::__3::basic_string<char, std::__3::char_traits<char>, std::__3::allocator<char> >::__short", ptr %agg.tmp, i64 0, i32 1, i32 0102 store i8 11, ptr %__size_.i23.i.i11, align 1, !tbaa !2103 call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 8 %agg.tmp, ptr align 1 @.str, i64 11, i1 false) #4104 %arrayidx.i.i12 = getelementptr inbounds i8, ptr %agg.tmp, i64 11105 store i8 0, ptr %arrayidx.i.i12, align 1, !tbaa !2106 call void @llvm.memset.p0.i64(ptr nonnull align 8 %agg.tmp1, i8 0, i64 24, i1 false) #4107 %__size_.i23.i.i28 = getelementptr inbounds %"struct.std::__3::basic_string<char, std::__3::char_traits<char>, std::__3::allocator<char> >::__short", ptr %agg.tmp1, i64 0, i32 1, i32 0108 store i8 21, ptr %__size_.i23.i.i28, align 1, !tbaa !2109 call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 8 %agg.tmp1, ptr align 1 @.str.1, i64 21, i1 false) #4110 %arrayidx.i.i34 = getelementptr inbounds i8, ptr %agg.tmp1, i64 21111 store i8 0, ptr %arrayidx.i.i34, align 1, !tbaa !2112 call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 8 %agg, ptr nonnull align 8 %agg.tmp, i64 24, i1 false) #4113 call void @llvm.memset.p0.i64(ptr nonnull align 8 %agg.tmp, i8 0, i64 24, i1 false) #4114 %a2_.i = getelementptr inbounds %struct.Agg, ptr %agg, i64 0, i32 1115 call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 8 %a2_.i, ptr nonnull align 8 %agg.tmp1, i64 24, i1 false) #4116 call void @llvm.memset.p0.i64(ptr nonnull align 8 %agg.tmp1, i8 0, i64 24, i1 false) #4117 store volatile ptr %padding, ptr @do_not_optimize, align 8, !tbaa !5118 store volatile ptr %agg, ptr @do_not_optimize, align 8, !tbaa !5119 %__size_.i.i.i51 = getelementptr inbounds %"struct.std::__3::basic_string<char, std::__3::char_traits<char>, std::__3::allocator<char> >::__short", ptr %a2_.i, i64 0, i32 1, i32 0120 %0 = load i8, ptr %__size_.i.i.i51, align 1, !tbaa !2121 %tobool.i.i.i = icmp slt i8 %0, 0122 %1 = load ptr, ptr %a2_.i, align 8123 %cond.i.i = select i1 %tobool.i.i.i, ptr %1, ptr %a2_.i124 %add.ptr.i = getelementptr inbounds i8, ptr %cond.i.i, i64 16125 %2 = load i8, ptr %add.ptr.i, align 1, !tbaa !2126 ret i8 %2127}128 129; Function Attrs: argmemonly nounwind130declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1131 132declare dso_local i32 @__gxx_personality_v0(...)133 134; Function Attrs: argmemonly nounwind135declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1136 137; Function Attrs: argmemonly nounwind138declare void @llvm.memcpy.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1 immarg) #1139 140; Function Attrs: argmemonly nounwind141declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1142 143attributes #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" "use-soft-float"="false" }144attributes #1 = { argmemonly nounwind }145attributes #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" "use-soft-float"="false" }146attributes #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" "use-soft-float"="false" }147attributes #4 = { nounwind }148attributes #5 = { noreturn nounwind }149attributes #6 = { builtin nounwind }150 151!llvm.module.flags = !{!0}152!llvm.ident = !{!1}153 154!0 = !{i32 1, !"wchar_size", i32 4}155!1 = !{!"clang version 9.0.0 (https://git.llvm.org/git/clang.git 6bb42abb270b5879a3acd289ca42341115a3cb46) (https://git.llvm.org/git/llvm.git ab39cf6afa9acdc108d16e7194a0d82619b044d6)"}156!2 = !{!3, !3, i64 0}157!3 = !{!"omnipotent char", !4, i64 0}158!4 = !{!"Simple C++ TBAA"}159!5 = !{!6, !6, i64 0}160!6 = !{!"any pointer", !3, i64 0}161