1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s -check-prefix=CHECK
4 source_filename = "test_case.cc"
5 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
6 target triple = "x86_64-unknown-linux-gnu"
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 }
18 @do_not_optimize = dso_local global ptr null, align 8
19 @.str = private unnamed_addr constant [12 x i8] c"The Culture\00", align 1
20 @.str.1 = private unnamed_addr constant [22 x i8] c"FunnyItWorkedLastTime\00", align 1
21 @.str.2 = private unnamed_addr constant [19 x i8] c"agg.a2_[16] == 't'\00", align 1
22 @.str.3 = private unnamed_addr constant [13 x i8] c"test_case.cc\00", align 1
23 @__PRETTY_FUNCTION__.main = private unnamed_addr constant [11 x i8] c"int main()\00", align 1
25 ; Function Attrs: norecurse uwtable
26 define i8 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
28 ; CHECK: # %bb.0: # %_ZNSt3__312basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEED2Ev.exit50
29 ; CHECK-NEXT: pushq %rax
30 ; CHECK-NEXT: .cfi_def_cfa_offset 16
31 ; 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 = 0x6161616161616161
34 ; CHECK-NEXT: movq %rax, -{{[0-9]+}}(%rsp)
35 ; CHECK-NEXT: movw $5632, {{[0-9]+}}(%rsp) # imm = 0x1600
36 ; CHECK-NEXT: xorps %xmm0, %xmm0
37 ; 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 = 0x746C754320656854
41 ; CHECK-NEXT: movq %rax, -{{[0-9]+}}(%rsp)
42 ; CHECK-NEXT: movl $1701999988, -{{[0-9]+}}(%rsp) # imm = 0x65727574
43 ; 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 = 0x656D69547473614C
48 ; CHECK-NEXT: movq %rax, -{{[0-9]+}}(%rsp)
49 ; CHECK-NEXT: movups .L.str.1(%rip), %xmm1
50 ; CHECK-NEXT: movaps %xmm1, -{{[0-9]+}}(%rsp)
51 ; CHECK-NEXT: movb $0, -{{[0-9]+}}(%rsp)
52 ; CHECK-NEXT: movq -{{[0-9]+}}(%rsp), %rax
53 ; CHECK-NEXT: movq %rax, -{{[0-9]+}}(%rsp)
54 ; CHECK-NEXT: movq -{{[0-9]+}}(%rsp), %rax
55 ; CHECK-NEXT: movq %rax, -{{[0-9]+}}(%rsp)
56 ; CHECK-NEXT: movzwl -{{[0-9]+}}(%rsp), %eax
57 ; CHECK-NEXT: movw %ax, -{{[0-9]+}}(%rsp)
58 ; CHECK-NEXT: movzbl -{{[0-9]+}}(%rsp), %eax
59 ; CHECK-NEXT: movb %al, -{{[0-9]+}}(%rsp)
60 ; CHECK-NEXT: movzbl -{{[0-9]+}}(%rsp), %eax
61 ; CHECK-NEXT: movb %al, -{{[0-9]+}}(%rsp)
62 ; CHECK-NEXT: movl -{{[0-9]+}}(%rsp), %eax
63 ; 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), %rax
67 ; CHECK-NEXT: movq %rax, -{{[0-9]+}}(%rsp)
68 ; CHECK-NEXT: movaps -{{[0-9]+}}(%rsp), %xmm1
69 ; 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), %rax
73 ; CHECK-NEXT: movq %rax, do_not_optimize(%rip)
74 ; CHECK-NEXT: leaq -{{[0-9]+}}(%rsp), %rax
75 ; CHECK-NEXT: movq %rax, do_not_optimize(%rip)
76 ; CHECK-NEXT: cmpb $0, -{{[0-9]+}}(%rsp)
77 ; CHECK-NEXT: jns .LBB0_1
78 ; CHECK-NEXT: # %bb.2: # %_ZNSt3__312basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEED2Ev.exit50
79 ; CHECK-NEXT: movq -{{[0-9]+}}(%rsp), %rax
80 ; CHECK-NEXT: jmp .LBB0_3
81 ; CHECK-NEXT: .LBB0_1:
82 ; CHECK-NEXT: leaq -{{[0-9]+}}(%rsp), %rax
83 ; CHECK-NEXT: .LBB0_3: # %_ZNSt3__312basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEED2Ev.exit50
84 ; CHECK-NEXT: movzbl 16(%rax), %eax
85 ; CHECK-NEXT: popq %rcx
86 ; CHECK-NEXT: .cfi_def_cfa_offset 8
88 _ZNSt3__312basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEED2Ev.exit50:
89 %padding = alloca %"class.std::__3::basic_string", align 8
90 %agg = alloca %struct.Agg, align 8
91 %agg.tmp = alloca %"class.std::__3::basic_string", align 8
92 %agg.tmp1 = alloca %"class.std::__3::basic_string", align 8
93 call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %padding) #4
94 %__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 0
95 store i8 22, ptr %__size_.i23.i.i, align 1, !tbaa !2
96 call void @llvm.memset.p0.i64(ptr nonnull align 8 %padding, i8 97, i64 22, i1 false) #4
97 %arrayidx.i.i = getelementptr inbounds i8, ptr %padding, i64 22
98 store i8 0, ptr %arrayidx.i.i, align 2, !tbaa !2
99 call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %agg) #4
100 call void @llvm.memset.p0.i64(ptr nonnull align 8 %agg.tmp, i8 0, i64 24, i1 false) #4
101 %__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 0
102 store i8 11, ptr %__size_.i23.i.i11, align 1, !tbaa !2
103 call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 8 %agg.tmp, ptr align 1 @.str, i64 11, i1 false) #4
104 %arrayidx.i.i12 = getelementptr inbounds i8, ptr %agg.tmp, i64 11
105 store i8 0, ptr %arrayidx.i.i12, align 1, !tbaa !2
106 call void @llvm.memset.p0.i64(ptr nonnull align 8 %agg.tmp1, i8 0, i64 24, i1 false) #4
107 %__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 0
108 store i8 21, ptr %__size_.i23.i.i28, align 1, !tbaa !2
109 call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 8 %agg.tmp1, ptr align 1 @.str.1, i64 21, i1 false) #4
110 %arrayidx.i.i34 = getelementptr inbounds i8, ptr %agg.tmp1, i64 21
111 store i8 0, ptr %arrayidx.i.i34, align 1, !tbaa !2
112 call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 8 %agg, ptr nonnull align 8 %agg.tmp, i64 24, i1 false) #4
113 call void @llvm.memset.p0.i64(ptr nonnull align 8 %agg.tmp, i8 0, i64 24, i1 false) #4
114 %a2_.i = getelementptr inbounds %struct.Agg, ptr %agg, i64 0, i32 1
115 call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 8 %a2_.i, ptr nonnull align 8 %agg.tmp1, i64 24, i1 false) #4
116 call void @llvm.memset.p0.i64(ptr nonnull align 8 %agg.tmp1, i8 0, i64 24, i1 false) #4
117 store volatile ptr %padding, ptr @do_not_optimize, align 8, !tbaa !5
118 store volatile ptr %agg, ptr @do_not_optimize, align 8, !tbaa !5
119 %__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 0
120 %0 = load i8, ptr %__size_.i.i.i51, align 1, !tbaa !2
121 %tobool.i.i.i = icmp slt i8 %0, 0
122 %1 = load ptr, ptr %a2_.i, align 8
123 %cond.i.i = select i1 %tobool.i.i.i, ptr %1, ptr %a2_.i
124 %add.ptr.i = getelementptr inbounds i8, ptr %cond.i.i, i64 16
125 %2 = load i8, ptr %add.ptr.i, align 1, !tbaa !2
129 ; Function Attrs: argmemonly nounwind
130 declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1
132 declare dso_local i32 @__gxx_personality_v0(...)
134 ; Function Attrs: argmemonly nounwind
135 declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1
137 ; Function Attrs: argmemonly nounwind
138 declare void @llvm.memcpy.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1 immarg) #1
140 ; Function Attrs: argmemonly nounwind
141 declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1
143 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" }
144 attributes #1 = { argmemonly nounwind }
145 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" }
146 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" }
147 attributes #4 = { nounwind }
148 attributes #5 = { noreturn nounwind }
149 attributes #6 = { builtin nounwind }
151 !llvm.module.flags = !{!0}
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}