[Embtk] Give ability to specify default -mcpu

Signed-off-by: Abdoulaye Walsimou Gaye <awg@embtoolkit.org>
(cherry picked from commit 0f3b0d56e88a03d371d2e03ab715e44b2693c96f)

2 files changed, 11 insertions, 0 deletions

diff --git a/include/llvm/Config/config.h.in b/include/llvm/Config/config.h.in
index 950e66f275..1667216953 100644
--- a/include/llvm/Config/config.h.in
+++ b/include/llvm/Config/config.h.in
@@ -575,6 +575,9 @@
 /* Installation directory for data files */
 #undef LLVM_DATADIR
 
+/* Default cpu (-mcpu=cpu) to use to all compiler invocations. */
+#undef LLVM_DEFAULT_TARGET_MCPU
+
 /* Target triple LLVM will generate code for by default */
 #undef LLVM_DEFAULT_TARGET_TRIPLE
 
diff --git a/include/llvm/Support/Host.h b/include/llvm/Support/Host.h
index 9a4036a8af..748e5e2cdf 100644
--- a/include/llvm/Support/Host.h
+++ b/include/llvm/Support/Host.h
@@ -46,6 +46,14 @@ namespace sys {
   ///   CPU_TYPE-VENDOR-KERNEL-OPERATING_SYSTEM
   std::string getDefaultTargetTriple();
 
+  /// getDefaultTargetCpu() - Return the default target cpu for which the
+  /// compiler is configured to generate code for (ie. -mcpu), or "" if empty.
+  std::string getDefaultTargetCpu();
+
+  /// hasDefaultTargetCpu() - Return true if the compiler was configured to
+  /// generate by default code for a given target cpu and false otherwise.
+  bool hasDefaultTargetCpu();
+
   /// getProcessTriple() - Return an appropriate target triple for generating
   /// code to be loaded into the current process, e.g. when using the JIT.
   std::string getProcessTriple();