commit e8a7afef86220229a872b78b5e3dd212574d741a
author Saleem Abdulrasool <compnerd@compnerd.org> Sun May 04 23:13:21 2014 +0000
committer Saleem Abdulrasool <compnerd@compnerd.org> Sun May 04 23:13:21 2014 +0000
tree 9078e14b7806efbdf1835dd2361df881a830c92a
parent 9c4716e4b6d2bd036ed4bc7a92407d74d7637bef

CodeGen: correct memset emittance for WoA

Windows on ARM does not conform to AEABI.  However, memset would be emitted
using the AEABI signature, resulting in inverted parameters.  Handle this
special case appropriately.

llvm-svn: 207943

llvm/lib/Target/ARM/ARMSelectionDAGInfo.cpp

diff --git a/llvm/lib/Target/ARM/ARMSelectionDAGInfo.cpp b/llvm/lib/Target/ARM/ARMSelectionDAGInfo.cpp
index f392203..cb5812f 100644
--- a/llvm/lib/Target/ARM/ARMSelectionDAGInfo.cpp
+++ b/llvm/lib/Target/ARM/ARMSelectionDAGInfo.cpp
@@ -151,7 +151,8 @@
                         unsigned Align, bool isVolatile,
                         MachinePointerInfo DstPtrInfo) const {
   // Use default for non-AAPCS (or MachO) subtargets
-  if (!Subtarget->isAAPCS_ABI() || Subtarget->isTargetMachO())
+  if (!Subtarget->isAAPCS_ABI() || Subtarget->isTargetMachO() ||
+      Subtarget->isTargetWindows())
     return SDValue();
 
   const ARMTargetLowering &TLI =