[llvm] r268868 - Fix use-of-uninitialized-value of ARMMachineFunctionInfo

[Weiming Zhao via llvm-commits]

Author: weimingz
Date: Sun May  8 00:04:47 2016
New Revision: 268868

URL: http://llvm.org/viewvc/llvm-project?rev=268868&view=rev
Log:
Fix use-of-uninitialized-value of ARMMachineFunctionInfo

Summary: Explicitly initialize ArgumentStackSize to prevent the msan failure.

Reviewers: rengolin

Subscribers: aemerson, rengolin, llvm-commits

Differential Revision: http://reviews.llvm.org/D20051

Modified:
    llvm/trunk/lib/Target/ARM/ARMMachineFunctionInfo.cpp

Modified: llvm/trunk/lib/Target/ARM/ARMMachineFunctionInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMMachineFunctionInfo.cpp?rev=268868&r1=268867&r2=268868&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMMachineFunctionInfo.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMMachineFunctionInfo.cpp Sun May  8 00:04:47 2016
@@ -21,4 +21,4 @@ ARMFunctionInfo::ARMFunctionInfo(Machine
       FramePtrSpillOffset(0), GPRCS1Offset(0), GPRCS2Offset(0), DPRCSOffset(0),
       GPRCS1Size(0), GPRCS2Size(0), DPRCSSize(0),
       PICLabelUId(0), VarArgsFrameIndex(0), HasITBlocks(false),
-      IsSplitCSR(false) {}
+      ArgumentStackSize(0), IsSplitCSR(false) {}