1 files changed, 9 insertions, 0 deletions
diff --git a/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp b/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp
index 86095a8e1142..5a3242bed1d0 100644
--- a/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp
+++ b/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);