[llvm] r366340 - AMDGPU: Use getTargetConstant

[Matt Arsenault via llvm-commits]

Author: arsenm
Date: Wed Jul 17 08:35:36 2019
New Revision: 366340

URL: http://llvm.org/viewvc/llvm-project?rev=366340&view=rev
Log:
AMDGPU: Use getTargetConstant

Avoids creating an extra intermediate mov.

Modified:
    llvm/trunk/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
    llvm/trunk/test/CodeGen/AMDGPU/shift-i128.ll

Modified: llvm/trunk/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp?rev=366340&r1=366339&r2=366340&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp Wed Jul 17 08:35:36 2019
@@ -620,10 +620,10 @@ MachineSDNode *AMDGPUDAGToDAGISel::build
                                                   EVT VT) const {
   SDNode *Lo = CurDAG->getMachineNode(
       AMDGPU::S_MOV_B32, DL, MVT::i32,
-      CurDAG->getConstant(Imm & 0xFFFFFFFF, DL, MVT::i32));
+      CurDAG->getTargetConstant(Imm & 0xFFFFFFFF, DL, MVT::i32));
   SDNode *Hi =
       CurDAG->getMachineNode(AMDGPU::S_MOV_B32, DL, MVT::i32,
-                             CurDAG->getConstant(Imm >> 32, DL, MVT::i32));
+                             CurDAG->getTargetConstant(Imm >> 32, DL, MVT::i32));
   const SDValue Ops[] = {
       CurDAG->getTargetConstant(AMDGPU::SReg_64RegClassID, DL, MVT::i32),
       SDValue(Lo, 0), CurDAG->getTargetConstant(AMDGPU::sub0, DL, MVT::i32),

Modified: llvm/trunk/test/CodeGen/AMDGPU/shift-i128.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/shift-i128.ll?rev=366340&r1=366339&r2=366340&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/shift-i128.ll (original)
+++ llvm/trunk/test/CodeGen/AMDGPU/shift-i128.ll Wed Jul 17 08:35:36 2019
@@ -147,13 +147,13 @@ define i128 @v_lshr_i128_kv(i128 %rhs) {
 ; GCN-LABEL: v_lshr_i128_kv:
 ; GCN:       ; %bb.0:
 ; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GCN-NEXT:    s_mov_b32 s5, 0
-; GCN-NEXT:    s_movk_i32 s4, 0x41
-; GCN-NEXT:    v_lshr_b64 v[2:3], s[4:5], v0
+; GCN-NEXT:    s_mov_b32 s7, 0
+; GCN-NEXT:    s_movk_i32 s6, 0x41
+; GCN-NEXT:    v_lshr_b64 v[2:3], s[6:7], v0
 ; GCN-NEXT:    v_cmp_gt_u32_e32 vcc, 64, v0
 ; GCN-NEXT:    v_cmp_ne_u32_e64 s[4:5], 0, v0
 ; GCN-NEXT:    v_cndmask_b32_e32 v0, 0, v2, vcc
-; GCN-NEXT:    v_mov_b32_e32 v2, 0x41
+; GCN-NEXT:    v_mov_b32_e32 v2, s6
 ; GCN-NEXT:    v_cndmask_b32_e32 v1, 0, v3, vcc
 ; GCN-NEXT:    v_cndmask_b32_e64 v0, v2, v0, s[4:5]
 ; GCN-NEXT:    v_mov_b32_e32 v2, 0