Define __FINITE_MATH_ONLY__ based on -ffast-math and -ffinite-math-only.
This macro was being unconditionally set to zero, preceded by a FIXME comment.
This fixes <rdar://problem/11845441>. Patch by Michael Gottesman!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160491 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Preprocessor/predefined-macros.c b/test/Preprocessor/predefined-macros.c
index 5c11c3b..2c19301 100644
--- a/test/Preprocessor/predefined-macros.c
+++ b/test/Preprocessor/predefined-macros.c
@@ -13,3 +13,16 @@
// RUN: %clang_cc1 %s -E -dM -ffast-math -o - \
// RUN: | FileCheck %s --check-prefix=CHECK-FAST-MATH
// CHECK-FAST-MATH: #define __FAST_MATH__
+// CHECK-FAST-MATH: #define __FINITE_MATH_ONLY__ 1
+//
+// RUN: %clang_cc1 %s -E -dM -ffinite-math-only -o - \
+// RUN: | FileCheck %s --check-prefix=CHECK-FINITE-MATH-ONLY
+// CHECK-FINITE-MATH-ONLY: #define __FINITE_MATH_ONLY__ 1
+//
+// RUN: %clang %s -E -dM -fno-finite-math-only -o - \
+// RUN: | FileCheck %s --check-prefix=CHECK-NO-FINITE-MATH-ONLY
+// CHECK-NO-FINITE-MATH-ONLY: #define __FINITE_MATH_ONLY__ 0
+//
+// RUN: %clang_cc1 %s -E -dM -o - \
+// RUN: | FileCheck %s --check-prefix=CHECK-FINITE-MATH-FLAG-UNDEFINED
+// CHECK-FINITE-MATH-FLAG-UNDEFINED: #define __FINITE_MATH_ONLY__ 0