[SPARC] [SSP] Add support for LOAD_STACK_GUARD.
This fixes PR22248 on sparc.
Differential Revision: http://reviews.llvm.org/D19386
llvm-svn: 267545
diff --git a/llvm/lib/Target/Sparc/SparcISelLowering.cpp b/llvm/lib/Target/Sparc/SparcISelLowering.cpp
index 527d052..7a1e753 100644
--- a/llvm/lib/Target/Sparc/SparcISelLowering.cpp
+++ b/llvm/lib/Target/Sparc/SparcISelLowering.cpp
@@ -3302,3 +3302,16 @@
}
}
}
+
+// Override to enable LOAD_STACK_GUARD lowering on Linux.
+bool SparcTargetLowering::useLoadStackGuardNode() const {
+ if (!Subtarget->isTargetLinux())
+ return TargetLowering::useLoadStackGuardNode();
+ return true;
+}
+
+// Override to disable global variable loading on Linux.
+void SparcTargetLowering::insertSSPDeclarations(Module &M) const {
+ if (!Subtarget->isTargetLinux())
+ return TargetLowering::insertSSPDeclarations(M);
+}