From 3d1cc88c68cd380f5fc55d95d323d7ba7ba98eb6 Mon Sep 17 00:00:00 2001
From: Konstantin Zhuravlyov <kzhuravl_dev@outlook.com>
Date: Fri, 21 Apr 2017 19:45:22 +0000
Subject: AMDGPU: Temporarily disable packed inlinable literals (v2f16, v2i16)

Differential Revision: https://reviews.llvm.org/D32361

llvm-svn: 301028
---
 llvm/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'llvm/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp')

diff --git a/llvm/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp b/llvm/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp
index 86095a8e114..5a3242bed1d 100644
--- a/llvm/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp
+++ b/llvm/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp
@@ -93,6 +93,12 @@ unsigned getVmcntBitWidthHi() { return 2; }
 } // end namespace anonymous
 
 namespace llvm {
+
+static cl::opt<bool> EnablePackedInlinableLiterals(
+    "enable-packed-inlinable-literals",
+    cl::desc("Enable packed inlinable literals (v2f16, v2i16)"),
+    cl::init(false));
+
 namespace AMDGPU {
 
 namespace IsaInfo {
@@ -703,6 +709,9 @@ bool isInlinableLiteral16(int16_t Literal, bool HasInv2Pi) {
 bool isInlinableLiteralV216(int32_t Literal, bool HasInv2Pi) {
   assert(HasInv2Pi);
 
+  if (!EnablePackedInlinableLiterals)
+    return false;
+
   int16_t Lo16 = static_cast<int16_t>(Literal);
   int16_t Hi16 = static_cast<int16_t>(Literal >> 16);
   return Lo16 == Hi16 && isInlinableLiteral16(Lo16, HasInv2Pi);
-- 
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