| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -passes='sroa<preserve-cfg>' -S | FileCheck %s --check-prefixes=CHECK,CHECK-PRESERVE-CFG |
| ; RUN: opt < %s -passes='sroa<modify-cfg>' -S | FileCheck %s --check-prefixes=CHECK,CHECK-MODIFY-CFG |
| ; |
| ; Make sure the llvm.access.group meta-data is preserved |
| ; when a load/store is replaced with another load/store by sroa |
| ; |
| ; class Complex { |
| ; private: |
| ; float real_; |
| ; float imaginary_; |
| ; |
| ; public: |
| ; Complex() : real_(0), imaginary_(0) { } |
| ; Complex(float real, float imaginary) : real_(real), imaginary_(imaginary) { } |
| ; Complex(const Complex &rhs) : real_(rhs.real()), imaginary_(rhs.imaginary()) { } |
| ; |
| ; inline float real() const { return real_; } |
| ; inline float imaginary() const { return imaginary_; } |
| ; |
| ; Complex operator+(const Complex& rhs) const |
| ; { |
| ; return Complex(real_ + rhs.real_, imaginary_ + rhs.imaginary_); |
| ; } |
| ; }; |
| ; |
| ; void test(Complex *out, long size) |
| ; { |
| ; #pragma clang loop vectorize(assume_safety) |
| ; for (long offset = 0; offset < size; ++offset) { |
| ; Complex t0 = out[offset]; |
| ; out[offset] = t0 + t0; |
| ; } |
| ; } |
| |
| |
| ; ModuleID = '<stdin>' |
| source_filename = "mem-par-metadata-sroa1.cpp" |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| %class.Complex = type { float, float } |
| |
| ; Function Attrs: norecurse nounwind uwtable |
| define void @_Z4testP7Complexl(ptr nocapture %out, i64 %size) local_unnamed_addr #0 { |
| ; CHECK-LABEL: @_Z4testP7Complexl( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: br label [[FOR_COND:%.*]] |
| ; CHECK: for.cond: |
| ; CHECK-NEXT: [[OFFSET_0:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[FOR_BODY:%.*]] ] |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp slt i64 [[OFFSET_0]], [[SIZE:%.*]] |
| ; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_END:%.*]] |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [[CLASS_COMPLEX:%.*]], ptr [[OUT:%.*]], i64 [[OFFSET_0]] |
| ; CHECK-NEXT: [[TMP0:%.*]] = load float, ptr [[ARRAYIDX]], align 4, !llvm.access.group [[ACC_GRP1:![0-9]+]] |
| ; CHECK-NEXT: [[IMAGINARY__I_I:%.*]] = getelementptr inbounds [[CLASS_COMPLEX]], ptr [[ARRAYIDX]], i64 0, i32 1 |
| ; CHECK-NEXT: [[TMP1:%.*]] = load float, ptr [[IMAGINARY__I_I]], align 4, !llvm.access.group [[ACC_GRP1]] |
| ; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds [[CLASS_COMPLEX]], ptr [[OUT]], i64 [[OFFSET_0]] |
| ; CHECK-NEXT: [[ADD_I:%.*]] = fadd float [[TMP0]], [[TMP0]] |
| ; CHECK-NEXT: [[ADD4_I:%.*]] = fadd float [[TMP1]], [[TMP1]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = bitcast float [[ADD_I]] to i32 |
| ; CHECK-NEXT: [[TMP3:%.*]] = bitcast float [[ADD4_I]] to i32 |
| ; CHECK-NEXT: store i32 [[TMP2]], ptr [[ARRAYIDX1]], align 4, !llvm.access.group [[ACC_GRP1]] |
| ; CHECK-NEXT: [[ARRAYIDX1_SROA_IDX:%.*]] = getelementptr inbounds i8, ptr [[ARRAYIDX1]], i64 4 |
| ; CHECK-NEXT: store i32 [[TMP3]], ptr [[ARRAYIDX1_SROA_IDX]], align 4, !llvm.access.group [[ACC_GRP1]] |
| ; CHECK-NEXT: [[INC]] = add nsw i64 [[OFFSET_0]], 1 |
| ; CHECK-NEXT: br label [[FOR_COND]], !llvm.loop [[LOOP2:![0-9]+]] |
| ; CHECK: for.end: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| %t0 = alloca %class.Complex, align 4 |
| %ref.tmp = alloca i64, align 8 |
| br label %for.cond |
| |
| for.cond: ; preds = %for.body, %entry |
| %offset.0 = phi i64 [ 0, %entry ], [ %inc, %for.body ] |
| %cmp = icmp slt i64 %offset.0, %size |
| br i1 %cmp, label %for.body, label %for.end |
| |
| for.body: ; preds = %for.cond |
| %arrayidx = getelementptr inbounds %class.Complex, ptr %out, i64 %offset.0 |
| %0 = load float, ptr %arrayidx, align 4, !llvm.access.group !11 |
| store float %0, ptr %t0, align 4, !llvm.access.group !11 |
| %imaginary_.i = getelementptr inbounds %class.Complex, ptr %t0, i64 0, i32 1 |
| %imaginary_.i.i = getelementptr inbounds %class.Complex, ptr %arrayidx, i64 0, i32 1 |
| %1 = load float, ptr %imaginary_.i.i, align 4, !llvm.access.group !11 |
| store float %1, ptr %imaginary_.i, align 4, !llvm.access.group !11 |
| %arrayidx1 = getelementptr inbounds %class.Complex, ptr %out, i64 %offset.0 |
| %2 = load float, ptr %t0, align 4, !noalias !3, !llvm.access.group !11 |
| %3 = load float, ptr %t0, align 4, !noalias !3, !llvm.access.group !11 |
| %add.i = fadd float %2, %3 |
| %imaginary_.i2 = getelementptr inbounds %class.Complex, ptr %t0, i64 0, i32 1 |
| %4 = load float, ptr %imaginary_.i2, align 4, !noalias !3, !llvm.access.group !11 |
| %imaginary_3.i = getelementptr inbounds %class.Complex, ptr %t0, i64 0, i32 1 |
| %5 = load float, ptr %imaginary_3.i, align 4, !noalias !3, !llvm.access.group !11 |
| %add4.i = fadd float %4, %5 |
| store float %add.i, ptr %ref.tmp, align 4, !alias.scope !3, !llvm.access.group !11 |
| %imaginary_.i.i4 = getelementptr inbounds %class.Complex, ptr %ref.tmp, i64 0, i32 1 |
| store float %add4.i, ptr %imaginary_.i.i4, align 4, !alias.scope !3, !llvm.access.group !11 |
| %6 = load i64, ptr %ref.tmp, align 8, !llvm.access.group !11 |
| store i64 %6, ptr %arrayidx1, align 4, !llvm.access.group !11 |
| %inc = add nsw i64 %offset.0, 1 |
| br label %for.cond, !llvm.loop !1 |
| |
| for.end: ; preds = %for.cond |
| ret void |
| } |
| |
| ; Function Attrs: argmemonly nounwind |
| declare void @llvm.memcpy.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1) #1 |
| |
| 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" } |
| attributes #1 = { argmemonly nounwind } |
| |
| !llvm.ident = !{!0} |
| |
| !0 = !{!"clang version 4.0.0 (cfe/trunk 277751)"} |
| !1 = distinct !{!1, !2, !{!"llvm.loop.parallel_accesses", !11}} |
| !2 = !{!"llvm.loop.vectorize.enable", i1 true} |
| !3 = !{!4} |
| !4 = distinct !{!4, !5, !"_ZNK7ComplexplERKS_: %agg.result"} |
| !5 = distinct !{!5, !"_ZNK7ComplexplERKS_"} |
| !11 = distinct !{} |
| ;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line: |
| ; CHECK-MODIFY-CFG: {{.*}} |
| ; CHECK-PRESERVE-CFG: {{.*}} |