Index: lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp
===================================================================
--- lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp
+++ lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp
@@ -93,6 +93,12 @@
 } // 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 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);
Index: test/CodeGen/AMDGPU/add.v2i16.ll
===================================================================
--- test/CodeGen/AMDGPU/add.v2i16.ll
+++ test/CodeGen/AMDGPU/add.v2i16.ll
@@ -1,4 +1,4 @@
-; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GFX9 -check-prefix=GCN %s
+; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=-flat-for-global -verify-machineinstrs -enable-packed-inlinable-literals < %s | FileCheck -check-prefix=GFX9 -check-prefix=GCN %s
 ; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s
 
 ; FIXME: Need to handle non-uniform case for function below (load without gep).
Index: test/CodeGen/AMDGPU/ashr.v2i16.ll
===================================================================
--- test/CodeGen/AMDGPU/ashr.v2i16.ll
+++ test/CodeGen/AMDGPU/ashr.v2i16.ll
@@ -1,4 +1,4 @@
-; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 %s
+; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=-flat-for-global -verify-machineinstrs -enable-packed-inlinable-literals < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 %s
 ; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI -check-prefix=CIVI %s
 ; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=CI -check-prefix=CIVI %s
 
Index: test/CodeGen/AMDGPU/fcanonicalize.f16.ll
===================================================================
--- test/CodeGen/AMDGPU/fcanonicalize.f16.ll
+++ test/CodeGen/AMDGPU/fcanonicalize.f16.ll
@@ -1,5 +1,5 @@
 ; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s
-; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 %s
+; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=-flat-for-global -verify-machineinstrs -enable-packed-inlinable-literals < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 %s
 
 declare half @llvm.fabs.f16(half) #0
 declare half @llvm.canonicalize.f16(half) #0
Index: test/CodeGen/AMDGPU/fmuladd.v2f16.ll
===================================================================
--- test/CodeGen/AMDGPU/fmuladd.v2f16.ll
+++ test/CodeGen/AMDGPU/fmuladd.v2f16.ll
@@ -1,12 +1,12 @@
-; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=-fp64-fp16-denormals -fp-contract=on -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GCN-STRICT,GFX9-FLUSH,GFX9 %s
-; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=-fp64-fp16-denormals -fp-contract=on -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GCN-STRICT,GFX9-FLUSH,GFX9 %s
-; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=-fp64-fp16-denormals -fp-contract=fast -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GCN-CONTRACT,GFX9-FLUSH,GFX9 %s
-; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=-fp64-fp16-denormals -fp-contract=fast -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GCN-CONTRACT,GFX9-FLUSH,GFX9 %s
-
-; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=+fp64-fp16-denormals -fp-contract=on -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GCN-STRICT,GFX9-DENORM-STRICT,GFX9-DENORM,GFX9 %s
-; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=+fp64-fp16-denormals -fp-contract=on -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GCN-STRICT,GFX9-DENORM-STRICT,GFX9-DENORM,GFX9 %s
-; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=+fp64-fp16-denormals -fp-contract=fast -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GCN-CONTRACT,GFX9-DENORM-CONTRACT,GFX9-DENORM,GFX9 %s
-; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=+fp64-fp16-denormals -fp-contract=fast -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GCN-CONTRACT,GFX9-DENORM-CONTRACT,GFX9-DENORM,GFX9 %s
+; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=-fp64-fp16-denormals -fp-contract=on -verify-machineinstrs -enable-packed-inlinable-literals < %s | FileCheck -check-prefixes=GCN,GCN-STRICT,GFX9-FLUSH,GFX9 %s
+; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=-fp64-fp16-denormals -fp-contract=on -verify-machineinstrs -enable-packed-inlinable-literals < %s | FileCheck -check-prefixes=GCN,GCN-STRICT,GFX9-FLUSH,GFX9 %s
+; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=-fp64-fp16-denormals -fp-contract=fast -verify-machineinstrs -enable-packed-inlinable-literals < %s | FileCheck -check-prefixes=GCN,GCN-CONTRACT,GFX9-FLUSH,GFX9 %s
+; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=-fp64-fp16-denormals -fp-contract=fast -verify-machineinstrs -enable-packed-inlinable-literals < %s | FileCheck -check-prefixes=GCN,GCN-CONTRACT,GFX9-FLUSH,GFX9 %s
+
+; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=+fp64-fp16-denormals -fp-contract=on -verify-machineinstrs -enable-packed-inlinable-literals < %s | FileCheck -check-prefixes=GCN,GCN-STRICT,GFX9-DENORM-STRICT,GFX9-DENORM,GFX9 %s
+; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=+fp64-fp16-denormals -fp-contract=on -verify-machineinstrs -enable-packed-inlinable-literals < %s | FileCheck -check-prefixes=GCN,GCN-STRICT,GFX9-DENORM-STRICT,GFX9-DENORM,GFX9 %s
+; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=+fp64-fp16-denormals -fp-contract=fast -verify-machineinstrs -enable-packed-inlinable-literals < %s | FileCheck -check-prefixes=GCN,GCN-CONTRACT,GFX9-DENORM-CONTRACT,GFX9-DENORM,GFX9 %s
+; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=+fp64-fp16-denormals -fp-contract=fast -verify-machineinstrs -enable-packed-inlinable-literals < %s | FileCheck -check-prefixes=GCN,GCN-CONTRACT,GFX9-DENORM-CONTRACT,GFX9-DENORM,GFX9 %s
 
 declare i32 @llvm.amdgcn.workitem.id.x() #1
 declare <2 x half> @llvm.fmuladd.v2f16(<2 x half>, <2 x half>, <2 x half>) #1
Index: test/CodeGen/AMDGPU/fneg-fabs.f16.ll
===================================================================
--- test/CodeGen/AMDGPU/fneg-fabs.f16.ll
+++ test/CodeGen/AMDGPU/fneg-fabs.f16.ll
@@ -1,6 +1,6 @@
 ; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=kaveri -verify-machineinstrs < %s | FileCheck -check-prefix=CI -check-prefix=GCN -check-prefix=CIVI %s
 ; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=VI -check-prefix=GFX89 -check-prefix=GCN -check-prefix=CIVI %s
-; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=gfx901 -verify-machineinstrs < %s | FileCheck -check-prefix=GFX89 -check-prefix=GFX9 -check-prefix=GCN %s
+; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=gfx901 -verify-machineinstrs -enable-packed-inlinable-literals < %s | FileCheck -check-prefix=GFX89 -check-prefix=GFX9 -check-prefix=GCN %s
 
 ; GCN-LABEL: {{^}}fneg_fabs_fadd_f16:
 ; CI: v_cvt_f32_f16_e32
Index: test/CodeGen/AMDGPU/immv216.ll
===================================================================
--- test/CodeGen/AMDGPU/immv216.ll
+++ test/CodeGen/AMDGPU/immv216.ll
@@ -1,4 +1,4 @@
-; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=gfx901 -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 %s
+; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=gfx901 -mattr=-flat-for-global -verify-machineinstrs -enable-packed-inlinable-literals < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 %s
 ; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=fiji -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s
 ; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=kaveri -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=CI %s
 ; FIXME: Merge into imm.ll
Index: test/CodeGen/AMDGPU/lshr.v2i16.ll
===================================================================
--- test/CodeGen/AMDGPU/lshr.v2i16.ll
+++ test/CodeGen/AMDGPU/lshr.v2i16.ll
@@ -1,4 +1,4 @@
-; RUN: llc -march=amdgcn -mcpu=gfx901 -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 %s
+; RUN: llc -march=amdgcn -mcpu=gfx901 -verify-machineinstrs -enable-packed-inlinable-literals < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 %s
 ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI -check-prefix=CIVI %s
 ; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=CI -check-prefix=CIVI %s
 
Index: test/CodeGen/AMDGPU/sext-in-reg.ll
===================================================================
--- test/CodeGen/AMDGPU/sext-in-reg.ll
+++ test/CodeGen/AMDGPU/sext-in-reg.ll
@@ -1,6 +1,6 @@
 ; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI -check-prefix=FUNC %s
 ; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI -check-prefix=GFX89 -check-prefix=FUNC %s
-; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 -check-prefix=GFX89 -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=-flat-for-global -verify-machineinstrs -enable-packed-inlinable-literals < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 -check-prefix=GFX89 -check-prefix=FUNC %s
 ; RUN: llc -march=r600 -mcpu=cypress < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
 
 ; FIXME: i16 promotion pass ruins the scalar cases when legal.
Index: test/CodeGen/AMDGPU/shl.v2i16.ll
===================================================================
--- test/CodeGen/AMDGPU/shl.v2i16.ll
+++ test/CodeGen/AMDGPU/shl.v2i16.ll
@@ -1,4 +1,4 @@
-; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 %s
+; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=-flat-for-global -verify-machineinstrs -enable-packed-inlinable-literals < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 %s
 ; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI -check-prefix=CIVI %s
 ; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=CI -check-prefix=CIVI %s
 
Index: test/CodeGen/AMDGPU/sminmax.v2i16.ll
===================================================================
--- test/CodeGen/AMDGPU/sminmax.v2i16.ll
+++ test/CodeGen/AMDGPU/sminmax.v2i16.ll
@@ -1,4 +1,4 @@
-; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GFX9 -check-prefix=GCN %s
+; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=-flat-for-global -verify-machineinstrs -enable-packed-inlinable-literals < %s | FileCheck -check-prefix=GFX9 -check-prefix=GCN %s
 ; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=VI -check-prefix=CIVI -check-prefix=GCN %s
 ; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs < %s | FileCheck -check-prefix=CI -check-prefix=CIVI -check-prefix=GCN %s
 
Index: test/CodeGen/AMDGPU/sub.v2i16.ll
===================================================================
--- test/CodeGen/AMDGPU/sub.v2i16.ll
+++ test/CodeGen/AMDGPU/sub.v2i16.ll
@@ -1,4 +1,4 @@
-; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GFX9 -check-prefix=GCN %s
+; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=-flat-for-global -verify-machineinstrs -enable-packed-inlinable-literals < %s | FileCheck -check-prefix=GFX9 -check-prefix=GCN %s
 ; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=VI -check-prefix=GCN %s
 
 ; FIXME: Need to handle non-uniform case for function below (load without gep).