build: Allow disabling movt/movw from build, for testing purposes.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126810 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 8539752ac38194ca4b1a2f8bb3d82d9118be8e13..f9e7ba1a913c6680ac44f428d79229de033164f5 100644 (file)
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -424,6 +424,12 @@ void Clang::AddARMTargetArgs(const ArgList &Args,
   const Driver &D = getToolChain().getDriver();
   llvm::Triple Triple = getToolChain().getTriple();
 
+  // Disable movt generation, if requested.
+#ifdef DISABLE_ARM_DARWIN_USE_MOVT
+  CmdArgs.push_back("-mllvm");
+  CmdArgs.push_back("-arm-darwin-use-movt=0");
+#endif
+
   // Select the ABI to use.
   //
   // FIXME: Support -meabi.