1 ; RUN: opt < %s -sroa -S | FileCheck %s
3 ; Make sure the llvm.access.group meta-data is preserved
4 ; when a load/store is replaced with another load/store by sroa
12 ; Complex() : real_(0), imaginary_(0) { }
13 ; Complex(float real, float imaginary) : real_(real), imaginary_(imaginary) { }
14 ; Complex(const Complex &rhs) : real_(rhs.real()), imaginary_(rhs.imaginary()) { }
16 ; inline float real() const { return real_; }
17 ; inline float imaginary() const { return imaginary_; }
19 ; Complex operator+(const Complex& rhs) const
21 ; return Complex(real_ + rhs.real_, imaginary_ + rhs.imaginary_);
25 ; void test(Complex *out, long size)
27 ; #pragma clang loop vectorize(assume_safety)
28 ; for (long offset = 0; offset < size; ++offset) {
29 ; Complex t0 = out[offset];
30 ; out[offset] = t0 + t0;
35 ; CHECK-NOT: store i32 %{{.*}}, i32* %{{.*}}, align 4
36 ; CHECK: store i32 %{{.*}}, i32* %{{.*}}, align 4, !llvm.access.group !1
37 ; CHECK-NOT: store i32 %{{.*}}, i32* %{{.*}}, align 4
38 ; CHECK: store i32 %{{.*}}, i32* %{{.*}}, align 4, !llvm.access.group !1
39 ; CHECK-NOT: store i32 %{{.*}}, i32* %{{.*}}, align 4
42 ; ModuleID = '<stdin>'
43 source_filename = "mem-par-metadata-sroa1.cpp"
44 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
45 target triple = "x86_64-unknown-linux-gnu"
47 %class.Complex = type { float, float }
49 ; Function Attrs: norecurse nounwind uwtable
50 define void @_Z4testP7Complexl(%class.Complex* nocapture %out, i64 %size) local_unnamed_addr #0 {
52 %t0 = alloca %class.Complex, align 4
53 %ref.tmp = alloca i64, align 8
54 %tmpcast = bitcast i64* %ref.tmp to %class.Complex*
57 for.cond: ; preds = %for.body, %entry
58 %offset.0 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
59 %cmp = icmp slt i64 %offset.0, %size
60 br i1 %cmp, label %for.body, label %for.end
62 for.body: ; preds = %for.cond
63 %arrayidx = getelementptr inbounds %class.Complex, %class.Complex* %out, i64 %offset.0
64 %real_.i = getelementptr inbounds %class.Complex, %class.Complex* %t0, i64 0, i32 0
65 %real_.i.i = getelementptr inbounds %class.Complex, %class.Complex* %arrayidx, i64 0, i32 0
66 %0 = load float, float* %real_.i.i, align 4, !llvm.access.group !11
67 store float %0, float* %real_.i, align 4, !llvm.access.group !11
68 %imaginary_.i = getelementptr inbounds %class.Complex, %class.Complex* %t0, i64 0, i32 1
69 %imaginary_.i.i = getelementptr inbounds %class.Complex, %class.Complex* %arrayidx, i64 0, i32 1
70 %1 = load float, float* %imaginary_.i.i, align 4, !llvm.access.group !11
71 store float %1, float* %imaginary_.i, align 4, !llvm.access.group !11
72 %arrayidx1 = getelementptr inbounds %class.Complex, %class.Complex* %out, i64 %offset.0
73 %real_.i1 = getelementptr inbounds %class.Complex, %class.Complex* %t0, i64 0, i32 0
74 %2 = load float, float* %real_.i1, align 4, !noalias !3, !llvm.access.group !11
75 %real_2.i = getelementptr inbounds %class.Complex, %class.Complex* %t0, i64 0, i32 0
76 %3 = load float, float* %real_2.i, align 4, !noalias !3, !llvm.access.group !11
77 %add.i = fadd float %2, %3
78 %imaginary_.i2 = getelementptr inbounds %class.Complex, %class.Complex* %t0, i64 0, i32 1
79 %4 = load float, float* %imaginary_.i2, align 4, !noalias !3, !llvm.access.group !11
80 %imaginary_3.i = getelementptr inbounds %class.Complex, %class.Complex* %t0, i64 0, i32 1
81 %5 = load float, float* %imaginary_3.i, align 4, !noalias !3, !llvm.access.group !11
82 %add4.i = fadd float %4, %5
83 %real_.i.i3 = getelementptr inbounds %class.Complex, %class.Complex* %tmpcast, i64 0, i32 0
84 store float %add.i, float* %real_.i.i3, align 4, !alias.scope !3, !llvm.access.group !11
85 %imaginary_.i.i4 = getelementptr inbounds %class.Complex, %class.Complex* %tmpcast, i64 0, i32 1
86 store float %add4.i, float* %imaginary_.i.i4, align 4, !alias.scope !3, !llvm.access.group !11
87 %6 = bitcast %class.Complex* %arrayidx1 to i64*
88 %7 = load i64, i64* %ref.tmp, align 8, !llvm.access.group !11
89 store i64 %7, i64* %6, align 4, !llvm.access.group !11
90 %inc = add nsw i64 %offset.0, 1
91 br label %for.cond, !llvm.loop !1
93 for.end: ; preds = %for.cond
97 ; Function Attrs: argmemonly nounwind
98 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1) #1
100 attributes #0 = { norecurse nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
101 attributes #1 = { argmemonly nounwind }
105 !0 = !{!"clang version 4.0.0 (cfe/trunk 277751)"}
106 !1 = distinct !{!1, !2, !{!"llvm.loop.parallel_accesses", !11}}
107 !2 = !{!"llvm.loop.vectorize.enable", i1 true}
109 !4 = distinct !{!4, !5, !"_ZNK7ComplexplERKS_: %agg.result"}
110 !5 = distinct !{!5, !"_ZNK7ComplexplERKS_"}