text: // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
  // RUN: %clang_cc1 -no-opaque-pointers -emit-llvm %s -o - -ffreestanding -target-feature +avx512vl -triple=x86_64-pc-win32     | FileCheck %s --check-prefix=Win
  // RUN: %clang_cc1 -no-opaque-pointers -emit-llvm %s -o - -ffreestanding -target-feature +avx512vl -triple=x86_64-pc-linux-gnu | FileCheck %s --check-prefix=Lin
  
  #include <immintrin.h>
  
  typedef struct {
    __m512d r1[4];
    __m512 r2[4];
  } __sVector;
  __sVector A;
  
  __sVector __regcall foo(int a) {
    return A;
  }
  
  double __regcall bar(__sVector a) {
    return a.r1[0][4];
  }
  
  // FIXME: Do we need to change for Windows?
  // Win: define dso_local x86_regcallcc void @__regcall3__foo(%struct.__sVector* noalias sret(%struct.__sVector) align 64 %agg.result, i32 noundef %a) #0
  // Win: define dso_local x86_regcallcc double @__regcall3__bar(%struct.__sVector* noundef %a) #0
  // Win: attributes #0 = { noinline nounwind optnone "frame-pointer"="none" "min-legal-vector-width"="0" "no-builtins" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+avx,+avx2,+avx512f,+avx512vl,+crc32,+cx8,+f16c,+fma,+mmx,+popcnt,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87,+xsave" }
  
  // Lin: define dso_local x86_regcallcc %struct.__sVector @__regcall3__foo(i32 noundef %a) #0
  // Lin: define dso_local x86_regcallcc double @__regcall3__bar([4 x <8 x double>] %a.coerce0, [4 x <16 x float>] %a.coerce1) #0
  // Lin: attributes #0 = { noinline nounwind optnone "frame-pointer"="none" "min-legal-vector-width"="512" "no-builtins" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+avx,+avx2,+avx512f,+avx512vl,+crc32,+cx8,+f16c,+fma,+mmx,+popcnt,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87,+xsave" }
  