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