clang/test/CodeGen/attr-target-x86.c

   1 // RUN: %clang_cc1 -triple i686-linux-gnu -target-cpu i686 -tune-cpu i686 -emit-llvm %s -o - | FileCheck %s
   2
   3 int baz(int a) { return 4; }
   4
   5 int __attribute__((target("avx,sse4.2,arch=ivybridge"))) foo(int a) { return 4; }
   6
   7 int __attribute__((target("fpmath=387"))) koala(int a) { return 4; }
   8
   9 int __attribute__((target("no-sse2"))) echidna(int a) { return 4; }
  10
  11 int __attribute__((target("sse4"))) panda(int a) { return 4; }
  12 int __attribute__((target("no-sse4"))) narwhal(int a) { return 4; }
  13
  14 int bar(int a) { return baz(a) + foo(a); }
  15
  16 int __attribute__((target("avx,      sse4.2,      arch=   ivybridge"))) qux(int a) { return 4; }
  17 int __attribute__((target("no-aes, arch=ivybridge"))) qax(int a) { return 4; }
  18
  19 int __attribute__((target("no-mmx"))) qq(int a) { return 40; }
  20
  21 int __attribute__((target("arch=lakemont,mmx"))) lake(int a) { return 4; }
  22
  23 int use_before_def(void);
  24 int useage(void){
  25   return use_before_def();
  26 }
  27
  28 // Adding the attribute to a definition does update it in IR.
  29 int __attribute__((target("arch=lakemont,mmx"))) use_before_def(void) {
  30   return 5;
  31 }
  32
  33 int __attribute__((target("tune=sandybridge"))) walrus(int a) { return 4; }
  34
  35 void __attribute__((target("arch=x86-64-v2"))) x86_64_v2(void) {}
  36 void __attribute__((target("arch=x86-64-v3"))) x86_64_v3(void) {}
  37 void __attribute__((target("arch=x86-64-v4"))) x86_64_v4(void) {}
  38
  39 // Check that we emit the additional subtarget and cpu features for foo and not for baz or bar.
  40 // CHECK: baz{{.*}} #0
  41 // CHECK: foo{{.*}} #1
  42 // We're currently ignoring the fpmath attribute so koala should be identical to baz and bar.
  43 // CHECK: koala{{.*}} #0
  44 // CHECK: echidna{{.*}} #2
  45 // CHECK: panda{{.*}} #3
  46 // CHECK: narwhal{{.*}} #4
  47 // CHECK: bar{{.*}} #0
  48 // CHECK: qux{{.*}} #1
  49 // CHECK: qax{{.*}} #5
  50 // CHECK: qq{{.*}} #6
  51 // CHECK: lake{{.*}} #7
  52 // CHECK: use_before_def{{.*}} #7
  53 // CHECK: walrus{{.*}} #8
  54 // CHECK: #0 = {{.*}}"target-cpu"="i686" "target-features"="+cx8,+x87" "tune-cpu"="i686"
  55 // CHECK: #1 = {{.*}}"target-cpu"="ivybridge" "target-features"="+avx,+crc32,+cx16,+cx8,+f16c,+fsgsbase,+fxsr,+mmx,+pclmul,+popcnt,+rdrnd,+sahf,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87,+xsave,+xsaveopt"
  56 // CHECK-NOT: tune-cpu
  57 // CHECK: #2 = {{.*}}"target-cpu"="i686" "target-features"="+cx8,+x87,-aes,-avx,-avx2,-avx512bf16,-avx512bitalg,-avx512bw,-avx512cd,-avx512dq,-avx512er,-avx512f,-avx512fp16,-avx512ifma,-avx512pf,-avx512vbmi,-avx512vbmi2,-avx512vl,-avx512vnni,-avx512vp2intersect,-avx512vpopcntdq,-avxifma,-avxneconvert,-avxvnni,-avxvnniint8,-f16c,-fma,-fma4,-gfni,-kl,-pclmul,-sha,-sse2,-sse3,-sse4.1,-sse4.2,-sse4a,-ssse3,-vaes,-vpclmulqdq,-widekl,-xop" "tune-cpu"="i686"
  58 // CHECK: #3 = {{.*}}"target-cpu"="i686" "target-features"="+crc32,+cx8,+mmx,+popcnt,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87" "tune-cpu"="i686"
  59 // CHECK: #4 = {{.*}}"target-cpu"="i686" "target-features"="+cx8,+x87,-avx,-avx2,-avx512bf16,-avx512bitalg,-avx512bw,-avx512cd,-avx512dq,-avx512er,-avx512f,-avx512fp16,-avx512ifma,-avx512pf,-avx512vbmi,-avx512vbmi2,-avx512vl,-avx512vnni,-avx512vp2intersect,-avx512vpopcntdq,-avxifma,-avxneconvert,-avxvnni,-avxvnniint8,-f16c,-fma,-fma4,-sse4.1,-sse4.2,-vaes,-vpclmulqdq,-xop" "tune-cpu"="i686"
  60 // CHECK: #5 = {{.*}}"target-cpu"="ivybridge" "target-features"="+avx,+crc32,+cx16,+cx8,+f16c,+fsgsbase,+fxsr,+mmx,+pclmul,+popcnt,+rdrnd,+sahf,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87,+xsave,+xsaveopt,-aes,-vaes"
  61 // CHECK-NOT: tune-cpu
  62 // CHECK: #6 = {{.*}}"target-cpu"="i686" "target-features"="+cx8,+x87,-3dnow,-3dnowa,-mmx"
  63 // CHECK: #7 = {{.*}}"target-cpu"="lakemont" "target-features"="+cx8,+mmx"
  64 // CHECK-NOT: tune-cpu
  65 // CHECK: #8 = {{.*}}"target-cpu"="i686" "target-features"="+cx8,+x87" "tune-cpu"="sandybridge"
  66
  67 // CHECK: "target-cpu"="x86-64-v2"
  68 // CHECK-SAME: "target-features"="+crc32,+cx16,+cx8,+fxsr,+mmx,+popcnt,+sahf,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87"
  69 // CHECK: "target-cpu"="x86-64-v3"
  70 // CHECK-SAME: "target-features"="+avx,+avx2,+bmi,+bmi2,+crc32,+cx16,+cx8,+f16c,+fma,+fxsr,+lzcnt,+mmx,+movbe,+popcnt,+sahf,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87,+xsave"
  71 // CHECK: "target-cpu"="x86-64-v4"
  72 // CHECK-SAME: "target-features"="+avx,+avx2,+avx512bw,+avx512cd,+avx512dq,+avx512f,+avx512vl,+bmi,+bmi2,+crc32,+cx16,+cx8,+f16c,+fma,+fxsr,+lzcnt,+mmx,+movbe,+popcnt,+sahf,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87,+xsave"