From dd58ef019b700900793a1eb48b52123db01b654e Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Wed, 30 Dec 2015 11:46:15 +0000
Subject: Vendor import of llvm trunk r256633:
 https://llvm.org/svn/llvm-project/llvm/trunk@256633

---
 lib/CodeGen/CallingConvLower.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'lib/CodeGen/CallingConvLower.cpp')

diff --git a/lib/CodeGen/CallingConvLower.cpp b/lib/CodeGen/CallingConvLower.cpp
index fb29b1db7a43..23c0d542560e 100644
--- a/lib/CodeGen/CallingConvLower.cpp
+++ b/lib/CodeGen/CallingConvLower.cpp
@@ -32,6 +32,7 @@ CCState::CCState(CallingConv::ID CC, bool isVarArg, MachineFunction &mf,
       CallOrPrologue(Unknown) {
   // No stack is used.
   StackOffset = 0;
+  MaxStackArgAlign = 1;
 
   clearByValRegsInfo();
   UsedRegs.resize((TRI.getNumRegs()+31)/32);
@@ -192,6 +193,7 @@ static bool isValueTypeInRegForCC(CallingConv::ID CC, MVT VT) {
 void CCState::getRemainingRegParmsForType(SmallVectorImpl<MCPhysReg> &Regs,
                                           MVT VT, CCAssignFn Fn) {
   unsigned SavedStackOffset = StackOffset;
+  unsigned SavedMaxStackArgAlign = MaxStackArgAlign;
   unsigned NumLocs = Locs.size();
 
   // Set the 'inreg' flag if it is used for this calling convention.
@@ -223,6 +225,7 @@ void CCState::getRemainingRegParmsForType(SmallVectorImpl<MCPhysReg> &Regs,
   // as allocated so that future queries don't return the same registers, i.e.
   // when i64 and f64 are both passed in GPRs.
   StackOffset = SavedStackOffset;
+  MaxStackArgAlign = SavedMaxStackArgAlign;
   Locs.resize(NumLocs);
 }
 
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