[llvm] r293477 - AMDGPU: Remove a useless VI SMRD pattern

[Marek Olsak via llvm-commits]

Author: mareko
Date: Mon Jan 30 06:25:14 2017
New Revision: 293477

URL: http://llvm.org/viewvc/llvm-project?rev=293477&view=rev
Log:
AMDGPU: Remove a useless VI SMRD pattern

Summary: already covered by complex patterns

Reviewers: arsenm, nhaehnle, tstellarAMD

Subscribers: kzhuravl, wdng, yaxunl, tony-tye

Differential Revision: https://reviews.llvm.org/D28995

Modified:
    llvm/trunk/lib/Target/AMDGPU/SIInstrInfo.td
    llvm/trunk/lib/Target/AMDGPU/SMInstructions.td

Modified: llvm/trunk/lib/Target/AMDGPU/SIInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/SIInstrInfo.td?rev=293477&r1=293476&r2=293477&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/SIInstrInfo.td (original)
+++ llvm/trunk/lib/Target/AMDGPU/SIInstrInfo.td Mon Jan 30 06:25:14 2017
@@ -266,10 +266,6 @@ def SIMM16bit : PatLeaf <(imm),
   [{return isInt<16>(N->getSExtValue());}]
 >;
 
-def IMM20bit : PatLeaf <(imm),
-  [{return isUInt<20>(N->getZExtValue());}]
->;
-
 class InlineImm <ValueType vt> : PatLeaf <(vt imm), [{
   return isInlineImmediate(N);
 }]>;

Modified: llvm/trunk/lib/Target/AMDGPU/SMInstructions.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/SMInstructions.td?rev=293477&r1=293476&r2=293477&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/SMInstructions.td (original)
+++ llvm/trunk/lib/Target/AMDGPU/SMInstructions.td Mon Jan 30 06:25:14 2017
@@ -293,12 +293,6 @@ def : Pat <
 
 let Predicates = [isVI] in {
 
-// 1. Offset as 20bit DWORD immediate
-def : Pat <
-  (SIload_constant v4i32:$sbase, IMM20bit:$offset),
-  (S_BUFFER_LOAD_DWORD_IMM $sbase, (as_i32imm $offset), 0)
->;
-
 def : Pat <
   (i64 (readcyclecounter)),
   (S_MEMREALTIME)