clang-cl: Support the /fp options (PR23112)
This hooks up the /fp options as aliases for -f[no-]fast-math and
-f[no]-trapping-math. It probably doesn't match cl.exe's behaviour
completely (e.g. LLVM is currently never as precise as /fp:precise),
but it's close enough.
Differential revision: http://reviews.llvm.org/D8909
llvm-svn: 234449
diff --git a/clang/test/Driver/cl-options.c b/clang/test/Driver/cl-options.c
index 3a22154..4a82544 100644
--- a/clang/test/Driver/cl-options.c
+++ b/clang/test/Driver/cl-options.c
@@ -30,6 +30,24 @@
// EP: "-P"
// EP: "-o" "-"
+// RUN: %clang_cl /fp:fast /fp:except -### -- %s 2>&1 | FileCheck -check-prefix=fpexcept %s
+// fpexcept-NOT: -menable-unsafe-fp-math
+
+// RUN: %clang_cl /fp:fast /fp:except /fp:except- -### -- %s 2>&1 | FileCheck -check-prefix=fpexcept_ %s
+// fpexcept_: -menable-unsafe-fp-math
+
+// RUN: %clang_cl /fp:precise /fp:fast -### -- %s 2>&1 | FileCheck -check-prefix=fpfast %s
+// fpfast: -menable-unsafe-fp-math
+// fpfast: -ffast-math
+
+// RUN: %clang_cl /fp:fast /fp:precise -### -- %s 2>&1 | FileCheck -check-prefix=fpprecise %s
+// fpprecise-NOT: -menable-unsafe-fp-math
+// fpprecise-NOT: -ffast-math
+
+// RUN: %clang_cl /fp:fast /fp:strict -### -- %s 2>&1 | FileCheck -check-prefix=fpstrict %s
+// fpstrict-NOT: -menable-unsafe-fp-math
+// fpstrict-NOT: -ffast-math
+
// RTTI is on by default; just check that we don't error.
// RUN: %clang_cl /Zs /GR -- %s 2>&1
@@ -243,7 +261,6 @@
// RUN: /Fifoo \
// RUN: /Fmfoo \
// RUN: /FpDebug\main.pch \
-// RUN: /fp:precise \
// RUN: /Frfoo \
// RUN: /FRfoo \
// RUN: /FU foo \