Implement ffs, parity, and popcount builtins.

 + test case

llvm-svn: 53851

1 files changed, 15 insertions, 0 deletions

diff --git a/clang/test/CodeGen/builtins-ffs_parity_popcount.c b/clang/test/CodeGen/builtins-ffs_parity_popcount.c
new file mode 100644
index 00000000000..19a5cf9a679
--- /dev/null
+++ b/clang/test/CodeGen/builtins-ffs_parity_popcount.c
@@ -0,0 +1,15 @@
+// RUN: clang -emit-llvm -o - %s > %t
+// RUN: ! grep "__builtin" %t
+
+#include <stdio.h>
+
+void test(int M, long long N) {
+  printf("%d %lld: %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d\n",
+         M, N,
+         __builtin_ffs(M), __builtin_ffsl(M), __builtin_ffsll(M),
+         __builtin_parity(M), __builtin_parityl(M), __builtin_parityll(M),
+         __builtin_popcount(M), __builtin_popcountl(M), __builtin_popcountll(M),
+         __builtin_ffs(N), __builtin_ffsl(N), __builtin_ffsll(N),
+         __builtin_parity(N), __builtin_parityl(N), __builtin_parityll(N),
+         __builtin_popcount(N), __builtin_popcountl(N), __builtin_popcountll(N));
+}