From 1b33d48ffbbb9c37a83691902817e0acec08f8e9 Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@intel.com>
Date: Thu, 12 Jul 2018 07:30:01 +0000
Subject: [PATCH] [X86] Remove i128 type from FR128 regclass.

i128 isn't a legal type in our x86 implementation today. So remove this and the few patterns that used it until it becomes necessary.

llvm-svn: 336889
---
 lib/Target/X86/X86InstrSSE.td         | 15 ---------------
 lib/Target/X86/X86InstrVecCompiler.td |  2 --
 lib/Target/X86/X86RegisterInfo.td     |  2 +-
 3 files changed, 1 insertion(+), 18 deletions(-)

diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td
index d2a0412f528..69f71295300 100644
--- a/lib/Target/X86/X86InstrSSE.td
+++ b/lib/Target/X86/X86InstrSSE.td
@@ -8117,11 +8117,6 @@ def : Pat<(X86fand FR128:$src1, FR128:$src2),
            (ANDPSrr (COPY_TO_REGCLASS FR128:$src1, VR128),
                     (COPY_TO_REGCLASS FR128:$src2, VR128)), FR128)>;
 
-def : Pat<(and FR128:$src1, FR128:$src2),
-          (COPY_TO_REGCLASS
-           (ANDPSrr (COPY_TO_REGCLASS FR128:$src1, VR128),
-                    (COPY_TO_REGCLASS FR128:$src2, VR128)), FR128)>;
-
 def : Pat<(X86for FR128:$src1, (memopf128 addr:$src2)),
           (COPY_TO_REGCLASS
            (ORPSrm (COPY_TO_REGCLASS FR128:$src1, VR128), f128mem:$src2),
@@ -8132,11 +8127,6 @@ def : Pat<(X86for FR128:$src1, FR128:$src2),
            (ORPSrr (COPY_TO_REGCLASS FR128:$src1, VR128),
                    (COPY_TO_REGCLASS FR128:$src2, VR128)), FR128)>;
 
-def : Pat<(or FR128:$src1, FR128:$src2),
-          (COPY_TO_REGCLASS
-           (ORPSrr (COPY_TO_REGCLASS FR128:$src1, VR128),
-                   (COPY_TO_REGCLASS FR128:$src2, VR128)), FR128)>;
-
 def : Pat<(X86fxor FR128:$src1, (memopf128 addr:$src2)),
           (COPY_TO_REGCLASS
            (XORPSrm (COPY_TO_REGCLASS FR128:$src1, VR128), f128mem:$src2),
@@ -8147,11 +8137,6 @@ def : Pat<(X86fxor FR128:$src1, FR128:$src2),
            (XORPSrr (COPY_TO_REGCLASS FR128:$src1, VR128),
                     (COPY_TO_REGCLASS FR128:$src2, VR128)), FR128)>;
 
-def : Pat<(xor FR128:$src1, FR128:$src2),
-          (COPY_TO_REGCLASS
-           (XORPSrr (COPY_TO_REGCLASS FR128:$src1, VR128),
-                    (COPY_TO_REGCLASS FR128:$src2, VR128)), FR128)>;
-
 //===----------------------------------------------------------------------===//
 // GFNI instructions
 //===----------------------------------------------------------------------===//
diff --git a/lib/Target/X86/X86InstrVecCompiler.td b/lib/Target/X86/X86InstrVecCompiler.td
index d83165150cb..ae36391fa35 100644
--- a/lib/Target/X86/X86InstrVecCompiler.td
+++ b/lib/Target/X86/X86InstrVecCompiler.td
@@ -48,8 +48,6 @@ def : Pat<(v2f64 (bitconvert (v4i32 VR128:$src))), (v2f64 VR128:$src)>;
 def : Pat<(v2f64 (bitconvert (v8i16 VR128:$src))), (v2f64 VR128:$src)>;
 def : Pat<(v2f64 (bitconvert (v16i8 VR128:$src))), (v2f64 VR128:$src)>;
 def : Pat<(v2f64 (bitconvert (v4f32 VR128:$src))), (v2f64 VR128:$src)>;
-def : Pat<(f128  (bitconvert (i128  FR128:$src))), (f128  FR128:$src)>;
-def : Pat<(i128  (bitconvert (f128  FR128:$src))), (i128  FR128:$src)>;
 
 // Bitcasts between 256-bit vector types. Return the original type since
 // no instruction is needed for the conversion
diff --git a/lib/Target/X86/X86RegisterInfo.td b/lib/Target/X86/X86RegisterInfo.td
index a462e6a877b..b17b3d89cd7 100644
--- a/lib/Target/X86/X86RegisterInfo.td
+++ b/lib/Target/X86/X86RegisterInfo.td
@@ -504,7 +504,7 @@ def FR32 : RegisterClass<"X86", [f32], 32, (sequence "XMM%u", 0, 15)>;
 
 def FR64 : RegisterClass<"X86", [f64], 64, (add FR32)>;
 
-def FR128 : RegisterClass<"X86", [i128, f128], 128, (add FR32)>;
+def FR128 : RegisterClass<"X86", [f128], 128, (add FR32)>;
 
 
 // FIXME: This sets up the floating point register files as though they are f64