From a46936185a184242517fb4705fc129279475a831 Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@gmail.com>
Date: Fri, 25 Nov 2016 02:29:21 +0000
Subject: [PATCH] [X86] Size a SmallVector to the worst case mask size for a
 512-bit shuffle. NFCI

llvm-svn: 287908
---
 llvm/lib/Target/X86/X86MCInstLower.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/Target/X86/X86MCInstLower.cpp b/llvm/lib/Target/X86/X86MCInstLower.cpp
index 1273482..b6c32c02 100644
--- a/llvm/lib/Target/X86/X86MCInstLower.cpp
+++ b/llvm/lib/Target/X86/X86MCInstLower.cpp
@@ -1547,7 +1547,7 @@ void X86AsmPrinter::EmitInstruction(const MachineInstr *MI) {
 
     const MachineOperand &MaskOp = MI->getOperand(MaskIdx);
     if (auto *C = getConstantFromPool(*MI, MaskOp)) {
-      SmallVector<int, 16> Mask;
+      SmallVector<int, 64> Mask;
       DecodePSHUFBMask(C, Mask);
       if (!Mask.empty())
         OutStreamer->AddComment(getShuffleComment(MI, SrcIdx, SrcIdx, Mask));
-- 
2.7.4