[llvm] r363625 - [AMDGPU] Use custom inserter for gfx10 VOP2b

[Stanislav Mekhanoshin via llvm-commits]

Author: rampitec
Date: Mon Jun 17 15:37:37 2019
New Revision: 363625

URL: http://llvm.org/viewvc/llvm-project?rev=363625&view=rev
Log:
[AMDGPU] Use custom inserter for gfx10 VOP2b

This is part of the approved D63204 pending parent revision.
This small change is in fact a part of the VOP2b legalization which
does not technically belong to wave32 support, so extracted
separately.

Modified:
    llvm/trunk/lib/Target/AMDGPU/VOP2Instructions.td

Modified: llvm/trunk/lib/Target/AMDGPU/VOP2Instructions.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/VOP2Instructions.td?rev=363625&r1=363624&r2=363625&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/VOP2Instructions.td (original)
+++ llvm/trunk/lib/Target/AMDGPU/VOP2Instructions.td Mon Jun 17 15:37:37 2019
@@ -175,7 +175,9 @@ multiclass VOP2bInst <string opName,
     let SchedRW = [Write32Bit, WriteSALU] in {
       let Uses = !if(useSGPRInput, [VCC, EXEC], [EXEC]), Defs = [VCC] in {
         def _e32 : VOP2_Pseudo <opName, P, VOPPatOrNull<node,P>.ret>,
-                   Commutable_REV<revOp#"_e32", !eq(revOp, opName)>;
+                   Commutable_REV<revOp#"_e32", !eq(revOp, opName)> {
+          let usesCustomInserter = !eq(P.NumSrcArgs, 2);
+        }
 
         def _sdwa  : VOP2_SDWA_Pseudo <opName, P> {
           let AsmMatchConverter = "cvtSdwaVOP2b";