[X86] Implement __builtin_cpu_is

This patch adds support for __builtin_cpu_is. I've tried to match the strings supported to the latest version of gcc.

Differential Revision: https://reviews.llvm.org/D35449

llvm-svn: 310657

1 files changed, 32 insertions, 0 deletions

diff --git a/clang/test/CodeGen/target-builtin-noerror.c b/clang/test/CodeGen/target-builtin-noerror.c
index dcc77d77bf7..fcf9bc945d2 100644
--- a/clang/test/CodeGen/target-builtin-noerror.c
+++ b/clang/test/CodeGen/target-builtin-noerror.c
@@ -76,3 +76,35 @@ void verifyfeaturestrings() {
   (void)__builtin_cpu_supports("avx5124fmaps");
   (void)__builtin_cpu_supports("avx512vpopcntdq");
 }
+
+void verifycpustrings() {
+  (void)__builtin_cpu_is("amd");
+  (void)__builtin_cpu_is("amdfam10h");
+  (void)__builtin_cpu_is("amdfam15h");
+  (void)__builtin_cpu_is("atom");
+  (void)__builtin_cpu_is("barcelona");
+  (void)__builtin_cpu_is("bdver1");
+  (void)__builtin_cpu_is("bdver2");
+  (void)__builtin_cpu_is("bdver3");
+  (void)__builtin_cpu_is("bdver4");
+  (void)__builtin_cpu_is("bonnell");
+  (void)__builtin_cpu_is("broadwell");
+  (void)__builtin_cpu_is("btver1");
+  (void)__builtin_cpu_is("btver2");
+  (void)__builtin_cpu_is("core2");
+  (void)__builtin_cpu_is("corei7");
+  (void)__builtin_cpu_is("haswell");
+  (void)__builtin_cpu_is("intel");
+  (void)__builtin_cpu_is("istanbul");
+  (void)__builtin_cpu_is("ivybridge");
+  (void)__builtin_cpu_is("knl");
+  (void)__builtin_cpu_is("nehalem");
+  (void)__builtin_cpu_is("sandybridge");
+  (void)__builtin_cpu_is("shanghai");
+  (void)__builtin_cpu_is("silvermont");
+  (void)__builtin_cpu_is("skylake");
+  (void)__builtin_cpu_is("skylake-avx512");
+  (void)__builtin_cpu_is("slm");
+  (void)__builtin_cpu_is("westmere");
+  (void)__builtin_cpu_is("znver1");
+}