commit 8674849d6e9156d693ed3b36c723822a05c55f06
author Craig Topper <craig.topper@gmail.com> Mon Jul 11 05:36:41 2016 +0000
committer Craig Topper <craig.topper@gmail.com> Mon Jul 11 05:36:41 2016 +0000
tree 334be73bccd94282fb200e8216795669f6f8609c
parent 9a17d7ac6e548fbe40778205ed16be50bc4626c5

[X86] Add the AVX512 SET0 pseudos to foldMemoryOperandImpl since they are marked for CanFoldAsLoad.

I don't really know how to test this.

llvm-svn: 275044

llvm/lib/Target/X86/X86InstrInfo.cpp

diff --git a/llvm/lib/Target/X86/X86InstrInfo.cpp b/llvm/lib/Target/X86/X86InstrInfo.cpp
index 79a1dde..cc0388b 100644
--- a/llvm/lib/Target/X86/X86InstrInfo.cpp
+++ b/llvm/lib/Target/X86/X86InstrInfo.cpp
@@ -6230,12 +6230,17 @@
     Alignment = (*LoadMI.memoperands_begin())->getAlignment();
   else
     switch (LoadMI.getOpcode()) {
+    case X86::AVX512_512_SET0:
+      Alignment = 64;
+      break;
     case X86::AVX2_SETALLONES:
     case X86::AVX_SET0:
+    case X86::AVX512_256_SET0:
       Alignment = 32;
       break;
     case X86::V_SET0:
     case X86::V_SETALLONES:
+    case X86::AVX512_128_SET0:
       Alignment = 16;
       break;
     case X86::FsFLD0SD:
@@ -6273,6 +6278,9 @@
   case X86::V_SETALLONES:
   case X86::AVX2_SETALLONES:
   case X86::AVX_SET0:
+  case X86::AVX512_128_SET0:
+  case X86::AVX512_256_SET0:
+  case X86::AVX512_512_SET0:
   case X86::FsFLD0SD:
   case X86::FsFLD0SS: {
     // Folding a V_SET0 or V_SETALLONES as a load, to ease register pressure.
@@ -6304,7 +6312,10 @@
       Ty = Type::getFloatTy(MF.getFunction()->getContext());
     else if (Opc == X86::FsFLD0SD)
       Ty = Type::getDoubleTy(MF.getFunction()->getContext());
-    else if (Opc == X86::AVX2_SETALLONES || Opc == X86::AVX_SET0)
+    else if (Opc == X86::AVX512_512_SET0)
+      Ty = VectorType::get(Type::getInt32Ty(MF.getFunction()->getContext()),16);
+    else if (Opc == X86::AVX2_SETALLONES || Opc == X86::AVX_SET0 ||
+             Opc == X86::AVX512_256_SET0)
       Ty = VectorType::get(Type::getInt32Ty(MF.getFunction()->getContext()), 8);
     else
       Ty = VectorType::get(Type::getInt32Ty(MF.getFunction()->getContext()), 4);