From 1b5e3d3e28db833d2f8d9c85a989933aa12731d7 Mon Sep 17 00:00:00 2001
From: Igor Breger <igor.breger@intel.com>
Date: Mon, 21 Aug 2017 08:59:59 +0000
Subject: [GlobalISel][X86] LowerCall, for now don't handel ByValue function
 arguments.

llvm-svn: 311321
---
 llvm/lib/Target/X86/X86CallLowering.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'llvm/lib')

diff --git a/llvm/lib/Target/X86/X86CallLowering.cpp b/llvm/lib/Target/X86/X86CallLowering.cpp
index cbe9e60864d..1a3f00cc250 100644
--- a/llvm/lib/Target/X86/X86CallLowering.cpp
+++ b/llvm/lib/Target/X86/X86CallLowering.cpp
@@ -322,6 +322,11 @@ bool X86CallLowering::lowerCall(MachineIRBuilder &MIRBuilder,
 
   SmallVector<ArgInfo, 8> SplitArgs;
   for (const auto &OrigArg : OrigArgs) {
+
+    // TODO: handle not simple cases.
+    if (OrigArg.Flags.isByVal())
+      return false;
+
     if (!splitToValueTypes(OrigArg, SplitArgs, DL, MRI,
                            [&](ArrayRef<unsigned> Regs) {
                              MIRBuilder.buildUnmerge(Regs, OrigArg.Reg);
-- 
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