From 4e15a3d1e74b9e22a6878a34749deb1774bbc5b2 Mon Sep 17 00:00:00 2001
From: Tim Northover <tnorthover@apple.com>
Date: Fri, 16 May 2014 09:41:16 +0000
Subject: [PATCH] ARM64: disable printing of swapped compare-mask aliases

You can perform (say) an fcmle operation by swapping the operands on an fcmge,
but it shouldn't be printed like that.

This will be tested when the TableGen "should I print this Alias" heuristic is
fixed (very soon).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208961 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/ARM64/ARM64InstrInfo.td | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/lib/Target/ARM64/ARM64InstrInfo.td b/lib/Target/ARM64/ARM64InstrInfo.td
index 8651bff850d..7bc44d02114 100644
--- a/lib/Target/ARM64/ARM64InstrInfo.td
+++ b/lib/Target/ARM64/ARM64InstrInfo.td
@@ -2737,29 +2737,29 @@ defm URSHL    : SIMDThreeScalarD<   1, 0b01010, "urshl", int_arm64_neon_urshl>;
 defm USHL     : SIMDThreeScalarD<   1, 0b01000, "ushl", int_arm64_neon_ushl>;
 
 def : InstAlias<"cmls $dst, $src1, $src2",
-                (CMHSv1i64 FPR64:$dst, FPR64:$src2, FPR64:$src1)>;
+                (CMHSv1i64 FPR64:$dst, FPR64:$src2, FPR64:$src1), 0>;
 def : InstAlias<"cmle $dst, $src1, $src2",
-                (CMGEv1i64 FPR64:$dst, FPR64:$src2, FPR64:$src1)>;
+                (CMGEv1i64 FPR64:$dst, FPR64:$src2, FPR64:$src1), 0>;
 def : InstAlias<"cmlo $dst, $src1, $src2",
-                (CMHIv1i64 FPR64:$dst, FPR64:$src2, FPR64:$src1)>;
+                (CMHIv1i64 FPR64:$dst, FPR64:$src2, FPR64:$src1), 0>;
 def : InstAlias<"cmlt $dst, $src1, $src2",
-                (CMGTv1i64 FPR64:$dst, FPR64:$src2, FPR64:$src1)>;
+                (CMGTv1i64 FPR64:$dst, FPR64:$src2, FPR64:$src1), 0>;
 def : InstAlias<"fcmle $dst, $src1, $src2",
-                (FCMGE32 FPR32:$dst, FPR32:$src2, FPR32:$src1)>;
+                (FCMGE32 FPR32:$dst, FPR32:$src2, FPR32:$src1), 0>;
 def : InstAlias<"fcmle $dst, $src1, $src2",
-                (FCMGE64 FPR64:$dst, FPR64:$src2, FPR64:$src1)>;
+                (FCMGE64 FPR64:$dst, FPR64:$src2, FPR64:$src1), 0>;
 def : InstAlias<"fcmlt $dst, $src1, $src2",
-                (FCMGT32 FPR32:$dst, FPR32:$src2, FPR32:$src1)>;
+                (FCMGT32 FPR32:$dst, FPR32:$src2, FPR32:$src1), 0>;
 def : InstAlias<"fcmlt $dst, $src1, $src2",
-                (FCMGT64 FPR64:$dst, FPR64:$src2, FPR64:$src1)>;
+                (FCMGT64 FPR64:$dst, FPR64:$src2, FPR64:$src1), 0>;
 def : InstAlias<"facle $dst, $src1, $src2",
-                (FACGE32 FPR32:$dst, FPR32:$src2, FPR32:$src1)>;
+                (FACGE32 FPR32:$dst, FPR32:$src2, FPR32:$src1), 0>;
 def : InstAlias<"facle $dst, $src1, $src2",
-                (FACGE64 FPR64:$dst, FPR64:$src2, FPR64:$src1)>;
+                (FACGE64 FPR64:$dst, FPR64:$src2, FPR64:$src1), 0>;
 def : InstAlias<"faclt $dst, $src1, $src2",
-                (FACGT32 FPR32:$dst, FPR32:$src2, FPR32:$src1)>;
+                (FACGT32 FPR32:$dst, FPR32:$src2, FPR32:$src1), 0>;
 def : InstAlias<"faclt $dst, $src1, $src2",
-                (FACGT64 FPR64:$dst, FPR64:$src2, FPR64:$src1)>;
+                (FACGT64 FPR64:$dst, FPR64:$src2, FPR64:$src1), 0>;
 
 //===----------------------------------------------------------------------===//
 // Advanced SIMD three scalar instructions (mixed operands).
-- 
2.34.1