1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -passes='sroa<preserve-cfg>' -S | FileCheck %s --check-prefixes=CHECK,CHECK-PRESERVE-CFG
3 ; RUN: opt < %s -passes='sroa<modify-cfg>' -S | FileCheck %s --check-prefixes=CHECK,CHECK-MODIFY-CFG
5 ; Make sure the llvm.access.group meta-data is preserved
6 ; when a load/store is replaced with another load/store by sroa
14 ; Complex() : real_(0), imaginary_(0) { }
15 ; Complex(float real, float imaginary) : real_(real), imaginary_(imaginary) { }
16 ; Complex(const Complex &rhs) : real_(rhs.real()), imaginary_(rhs.imaginary()) { }
18 ; inline float real() const { return real_; }
19 ; inline float imaginary() const { return imaginary_; }
21 ; Complex operator+(const Complex& rhs) const
23 ; return Complex(real_ + rhs.real_, imaginary_ + rhs.imaginary_);
27 ; void test(Complex *out, long size)
29 ; #pragma clang loop vectorize(assume_safety)
30 ; for (long offset = 0; offset < size; ++offset) {
31 ; Complex t0 = out[offset];
32 ; out[offset] = t0 + t0;
37 ; ModuleID = '<stdin>'
38 source_filename = "mem-par-metadata-sroa1.cpp"
39 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
40 target triple = "x86_64-unknown-linux-gnu"
42 %class.Complex = type { float, float }
44 ; Function Attrs: norecurse nounwind uwtable
45 define void @_Z4testP7Complexl(ptr nocapture %out, i64 %size) local_unnamed_addr #0 {
46 ; CHECK-LABEL: @_Z4testP7Complexl(
48 ; CHECK-NEXT: br label [[FOR_COND:%.*]]
50 ; CHECK-NEXT: [[OFFSET_0:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[FOR_BODY:%.*]] ]
51 ; CHECK-NEXT: [[CMP:%.*]] = icmp slt i64 [[OFFSET_0]], [[SIZE:%.*]]
52 ; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_END:%.*]]
54 ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [[CLASS_COMPLEX:%.*]], ptr [[OUT:%.*]], i64 [[OFFSET_0]]
55 ; CHECK-NEXT: [[TMP0:%.*]] = load float, ptr [[ARRAYIDX]], align 4, !llvm.access.group [[ACC_GRP1:![0-9]+]]
56 ; CHECK-NEXT: [[IMAGINARY__I_I:%.*]] = getelementptr inbounds [[CLASS_COMPLEX]], ptr [[ARRAYIDX]], i64 0, i32 1
57 ; CHECK-NEXT: [[TMP1:%.*]] = load float, ptr [[IMAGINARY__I_I]], align 4, !llvm.access.group [[ACC_GRP1]]
58 ; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds [[CLASS_COMPLEX]], ptr [[OUT]], i64 [[OFFSET_0]]
59 ; CHECK-NEXT: [[ADD_I:%.*]] = fadd float [[TMP0]], [[TMP0]]
60 ; CHECK-NEXT: [[ADD4_I:%.*]] = fadd float [[TMP1]], [[TMP1]]
61 ; CHECK-NEXT: [[TMP2:%.*]] = bitcast float [[ADD_I]] to i32
62 ; CHECK-NEXT: [[TMP3:%.*]] = bitcast float [[ADD4_I]] to i32
63 ; CHECK-NEXT: store i32 [[TMP2]], ptr [[ARRAYIDX1]], align 4, !llvm.access.group [[ACC_GRP1]]
64 ; CHECK-NEXT: [[ARRAYIDX1_SROA_IDX:%.*]] = getelementptr inbounds i8, ptr [[ARRAYIDX1]], i64 4
65 ; CHECK-NEXT: store i32 [[TMP3]], ptr [[ARRAYIDX1_SROA_IDX]], align 4, !llvm.access.group [[ACC_GRP1]]
66 ; CHECK-NEXT: [[INC]] = add nsw i64 [[OFFSET_0]], 1
67 ; CHECK-NEXT: br label [[FOR_COND]], !llvm.loop [[LOOP2:![0-9]+]]
69 ; CHECK-NEXT: ret void
72 %t0 = alloca %class.Complex, align 4
73 %ref.tmp = alloca i64, align 8
76 for.cond: ; preds = %for.body, %entry
77 %offset.0 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
78 %cmp = icmp slt i64 %offset.0, %size
79 br i1 %cmp, label %for.body, label %for.end
81 for.body: ; preds = %for.cond
82 %arrayidx = getelementptr inbounds %class.Complex, ptr %out, i64 %offset.0
83 %0 = load float, ptr %arrayidx, align 4, !llvm.access.group !11
84 store float %0, ptr %t0, align 4, !llvm.access.group !11
85 %imaginary_.i = getelementptr inbounds %class.Complex, ptr %t0, i64 0, i32 1
86 %imaginary_.i.i = getelementptr inbounds %class.Complex, ptr %arrayidx, i64 0, i32 1
87 %1 = load float, ptr %imaginary_.i.i, align 4, !llvm.access.group !11
88 store float %1, ptr %imaginary_.i, align 4, !llvm.access.group !11
89 %arrayidx1 = getelementptr inbounds %class.Complex, ptr %out, i64 %offset.0
90 %2 = load float, ptr %t0, align 4, !noalias !3, !llvm.access.group !11
91 %3 = load float, ptr %t0, align 4, !noalias !3, !llvm.access.group !11
92 %add.i = fadd float %2, %3
93 %imaginary_.i2 = getelementptr inbounds %class.Complex, ptr %t0, i64 0, i32 1
94 %4 = load float, ptr %imaginary_.i2, align 4, !noalias !3, !llvm.access.group !11
95 %imaginary_3.i = getelementptr inbounds %class.Complex, ptr %t0, i64 0, i32 1
96 %5 = load float, ptr %imaginary_3.i, align 4, !noalias !3, !llvm.access.group !11
97 %add4.i = fadd float %4, %5
98 store float %add.i, ptr %ref.tmp, align 4, !alias.scope !3, !llvm.access.group !11
99 %imaginary_.i.i4 = getelementptr inbounds %class.Complex, ptr %ref.tmp, i64 0, i32 1
100 store float %add4.i, ptr %imaginary_.i.i4, align 4, !alias.scope !3, !llvm.access.group !11
101 %6 = load i64, ptr %ref.tmp, align 8, !llvm.access.group !11
102 store i64 %6, ptr %arrayidx1, align 4, !llvm.access.group !11
103 %inc = add nsw i64 %offset.0, 1
104 br label %for.cond, !llvm.loop !1
106 for.end: ; preds = %for.cond
110 ; Function Attrs: argmemonly nounwind
111 declare void @llvm.memcpy.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1) #1
113 attributes #0 = { norecurse nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "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" }
114 attributes #1 = { argmemonly nounwind }
118 !0 = !{!"clang version 4.0.0 (cfe/trunk 277751)"}
119 !1 = distinct !{!1, !2, !{!"llvm.loop.parallel_accesses", !11}}
120 !2 = !{!"llvm.loop.vectorize.enable", i1 true}
122 !4 = distinct !{!4, !5, !"_ZNK7ComplexplERKS_: %agg.result"}
123 !5 = distinct !{!5, !"_ZNK7ComplexplERKS_"}
125 ;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
126 ; CHECK-MODIFY-CFG: {{.*}}
127 ; CHECK-PRESERVE-CFG: {{.*}}