Initial slang.
Change-Id: I4f84a741e5fbc440cd4c251406d2b611a237f713
diff --git a/utils/builtin-defines.c b/utils/builtin-defines.c
new file mode 100644
index 0000000..9bbe5be
--- /dev/null
+++ b/utils/builtin-defines.c
@@ -0,0 +1,85 @@
+/*
+This is a clang style test case for checking that preprocessor
+defines match gcc.
+*/
+
+/*
+RUN: for arch in -m32 -m64; do \
+RUN: for lang in -std=gnu89 -ansi -std=c99 -std=gnu99; do \
+RUN: for input in c objective-c; do \
+RUN: for opts in "-O0" "-O1 -dynamic" "-O2 -static" "-Os"; do \
+RUN: echo "-- $arch, $lang, $input, $opts --"; \
+RUN: for cc in 0 1; do \
+RUN: if [ "$cc" == 0 ]; then \
+RUN: cc_prog=clang; \
+RUN: output=%t0; \
+RUN: else \
+RUN: cc_prog=gcc; \
+RUN: output=%t1; \
+RUN: fi; \
+RUN: $cc_prog $arch $lang $opts -march=core2 -dM -E -x $input %s | sort > $output; \
+RUN: done; \
+RUN: if (! diff %t0 %t1); then exit 1; fi; \
+RUN: done; \
+RUN: done; \
+RUN: done; \
+RUN: done;
+*/
+
+/* We don't care about this difference */
+#ifdef __PIC__
+#if __PIC__ == 1
+#undef __PIC__
+#undef __pic__
+#define __PIC__ 2
+#define __pic__ 2
+#endif
+#endif
+
+/* Undefine things we don't expect to match. */
+#undef __core2
+#undef __core2__
+#undef __SSSE3__
+
+/* Undefine things we don't expect to match. */
+#undef __DEC_EVAL_METHOD__
+#undef __INT16_TYPE__
+#undef __INT32_TYPE__
+#undef __INT64_TYPE__
+#undef __INT8_TYPE__
+#undef __SSP__
+#undef __APPLE_CC__
+#undef __VERSION__
+#undef __clang__
+#undef __llvm__
+#undef __nocona
+#undef __nocona__
+#undef __k8
+#undef __k8__
+#undef __tune_nocona__
+#undef __tune_core2__
+#undef __POINTER_WIDTH__
+#undef __INTPTR_TYPE__
+#undef __NO_MATH_INLINES
+
+#undef __DEC128_DEN__
+#undef __DEC128_EPSILON__
+#undef __DEC128_MANT_DIG__
+#undef __DEC128_MAX_EXP__
+#undef __DEC128_MAX__
+#undef __DEC128_MIN_EXP__
+#undef __DEC128_MIN__
+#undef __DEC32_DEN__
+#undef __DEC32_EPSILON__
+#undef __DEC32_MANT_DIG__
+#undef __DEC32_MAX_EXP__
+#undef __DEC32_MAX__
+#undef __DEC32_MIN_EXP__
+#undef __DEC32_MIN__
+#undef __DEC64_DEN__
+#undef __DEC64_EPSILON__
+#undef __DEC64_MANT_DIG__
+#undef __DEC64_MAX_EXP__
+#undef __DEC64_MAX__
+#undef __DEC64_MIN_EXP__
+#undef __DEC64_MIN__