clang/test/CodeGen/regcall2.c

   1 // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
   2 // RUN: %clang_cc1 -emit-llvm %s -o - -ffreestanding -target-feature +avx512vl -triple=x86_64-pc-win32     | FileCheck %s --check-prefix=Win
   3 // RUN: %clang_cc1 -emit-llvm %s -o - -ffreestanding -target-feature +avx512vl -triple=x86_64-pc-linux-gnu | FileCheck %s --check-prefix=Lin
   4
   5 #include <immintrin.h>
   6
   7 typedef struct {
   8   __m512d r1[4];
   9   __m512 r2[4];
  10 } __sVector;
  11 __sVector A;
  12
  13 __sVector __regcall foo(int a) {
  14   return A;
  15 }
  16
  17 double __regcall bar(__sVector a) {
  18   return a.r1[0][4];
  19 }
  20
  21 // FIXME: Do we need to change for Windows?
  22 // Win: define dso_local x86_regcallcc void @__regcall3__foo(ptr dead_on_unwind noalias writable sret(%struct.__sVector) align 64 %agg.result, i32 noundef %a) #0
  23 // Win: define dso_local x86_regcallcc double @__regcall3__bar(ptr noundef %a) #0
  24 // Win: attributes #0 = { noinline nounwind optnone "min-legal-vector-width"="0" "no-builtins" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+avx,+avx2,+avx512f,+avx512vl,+crc32,+cx8,+evex512,+f16c,+fma,+mmx,+popcnt,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87,+xsave" }
  25
  26 // Lin: define dso_local x86_regcallcc %struct.__sVector @__regcall3__foo(i32 noundef %a) #0
  27 // Lin: define dso_local x86_regcallcc double @__regcall3__bar([4 x <8 x double>] %a.coerce0, [4 x <16 x float>] %a.coerce1) #0
  28 // Lin: attributes #0 = { noinline nounwind optnone "min-legal-vector-width"="512" "no-builtins" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+avx,+avx2,+avx512f,+avx512vl,+crc32,+cx8,+evex512,+f16c,+fma,+mmx,+popcnt,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87,+xsave" }