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author | Dimitry Andric <dim@FreeBSD.org> | 2018-07-28 11:06:01 +0000 |
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committer | Dimitry Andric <dim@FreeBSD.org> | 2018-07-28 11:06:01 +0000 |
commit | 486754660bb926339aefcf012a3f848592babb8b (patch) | |
tree | ecdbc446c9876f4f120f701c243373cd3cb43db3 /test/CodeGen/attr-cpuspecific.c | |
parent | 55e6d896ad333f07bb3b1ba487df214fc268a4ab (diff) | |
download | src-486754660bb926339aefcf012a3f848592babb8b.tar.gz src-486754660bb926339aefcf012a3f848592babb8b.zip |
Vendor import of clang trunk r338150:vendor/clang/clang-trunk-r338150
Notes
Notes:
svn path=/vendor/clang/dist/; revision=336815
svn path=/vendor/clang/clang-trunk-r338150/; revision=336816; tag=vendor/clang/clang-trunk-r338150
Diffstat (limited to 'test/CodeGen/attr-cpuspecific.c')
-rw-r--r-- | test/CodeGen/attr-cpuspecific.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/test/CodeGen/attr-cpuspecific.c b/test/CodeGen/attr-cpuspecific.c new file mode 100644 index 000000000000..1b98b5dc9678 --- /dev/null +++ b/test/CodeGen/attr-cpuspecific.c @@ -0,0 +1,101 @@ +// RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm -o - %s | FileCheck %s + + +// Each called version should have an IFunc. +// CHECK: @SingleVersion.ifunc = ifunc void (), void ()* ()* @SingleVersion.resolver +// CHECK: @TwoVersions.ifunc = ifunc void (), void ()* ()* @TwoVersions.resolver +// CHECK: @TwoVersionsSameAttr.ifunc = ifunc void (), void ()* ()* @TwoVersionsSameAttr.resolver +// CHECK: @ThreeVersionsSameAttr.ifunc = ifunc void (), void ()* ()* @ThreeVersionsSameAttr.resolver + +__attribute__((cpu_specific(ivybridge))) +void SingleVersion(void){} +// CHECK: define void @SingleVersion.S() #[[S:[0-9]+]] + +__attribute__((cpu_specific(ivybridge))) +void NotCalled(void){} +// CHECK: define void @NotCalled.S() #[[S]] + +// Done before any of the implementations. +__attribute__((cpu_dispatch(ivybridge, knl))) +void TwoVersions(void); +// CHECK: define void ()* @TwoVersions.resolver() +// CHECK: call void @__cpu_indicator_init +// CHECK: ret void ()* @TwoVersions.Z +// CHECK: ret void ()* @TwoVersions.S +// CHECK: call void @llvm.trap +// CHECK: unreachable + +__attribute__((cpu_specific(ivybridge))) +void TwoVersions(void){} +// CHECK: define void @TwoVersions.S() #[[S]] + +__attribute__((cpu_specific(knl))) +void TwoVersions(void){} +// CHECK: define void @TwoVersions.Z() #[[K:[0-9]+]] + +__attribute__((cpu_specific(ivybridge, knl))) +void TwoVersionsSameAttr(void){} +// CHECK: define void @TwoVersionsSameAttr.S() #[[S]] +// CHECK: define void @TwoVersionsSameAttr.Z() #[[K]] + +__attribute__((cpu_specific(atom, ivybridge, knl))) +void ThreeVersionsSameAttr(void){} +// CHECK: define void @ThreeVersionsSameAttr.O() #[[O:[0-9]+]] +// CHECK: define void @ThreeVersionsSameAttr.S() #[[S]] +// CHECK: define void @ThreeVersionsSameAttr.Z() #[[K]] + +void usages() { + SingleVersion(); + // CHECK: @SingleVersion.ifunc() + TwoVersions(); + // CHECK: @TwoVersions.ifunc() + TwoVersionsSameAttr(); + // CHECK: @TwoVersionsSameAttr.ifunc() + ThreeVersionsSameAttr(); + // CHECK: @ThreeVersionsSameAttr.ifunc() +} + +// has an extra config to emit! +__attribute__((cpu_dispatch(ivybridge, knl, atom))) +void TwoVersionsSameAttr(void); +// CHECK: define void ()* @TwoVersionsSameAttr.resolver() +// CHECK: ret void ()* @TwoVersionsSameAttr.Z +// CHECK: ret void ()* @TwoVersionsSameAttr.S +// CHECK: ret void ()* @TwoVersionsSameAttr.O +// CHECK: call void @llvm.trap +// CHECK: unreachable + +__attribute__((cpu_dispatch(atom, ivybridge, knl))) +void ThreeVersionsSameAttr(void){} +// CHECK: define void ()* @ThreeVersionsSameAttr.resolver() +// CHECK: call void @__cpu_indicator_init +// CHECK: ret void ()* @ThreeVersionsSameAttr.Z +// CHECK: ret void ()* @ThreeVersionsSameAttr.S +// CHECK: ret void ()* @ThreeVersionsSameAttr.O +// CHECK: call void @llvm.trap +// CHECK: unreachable + +// No Cpu Specific options. +__attribute__((cpu_dispatch(atom, ivybridge, knl))) +void NoSpecifics(void); +// CHECK: define void ()* @NoSpecifics.resolver() +// CHECK: call void @__cpu_indicator_init +// CHECK: ret void ()* @NoSpecifics.Z +// CHECK: ret void ()* @NoSpecifics.S +// CHECK: ret void ()* @NoSpecifics.O +// CHECK: call void @llvm.trap +// CHECK: unreachable + +__attribute__((cpu_dispatch(atom, generic, ivybridge, knl))) +void HasGeneric(void); +// CHECK: define void ()* @HasGeneric.resolver() +// CHECK: call void @__cpu_indicator_init +// CHECK: ret void ()* @HasGeneric.Z +// CHECK: ret void ()* @HasGeneric.S +// CHECK: ret void ()* @HasGeneric.O +// CHECK: ret void ()* @HasGeneric.A +// CHECK-NOT: call void @llvm.trap + +// CHECK: attributes #[[S]] = {{.*}}"target-features"="+avx,+cmov,+f16c,+mmx,+popcnt,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87,+xsave" +// CHECK: attributes #[[K]] = {{.*}}"target-features"="+adx,+avx,+avx2,+avx512cd,+avx512er,+avx512f,+avx512pf,+bmi,+cmov,+f16c,+fma,+lzcnt,+mmx,+movbe,+popcnt,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87,+xsave" +// CHECK: attributes #[[O]] = {{.*}}"target-features"="+cmov,+mmx,+movbe,+sse,+sse2,+sse3,+ssse3,+x87" |