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AMDGPU: Use getTargetConstant

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Avoids creating an extra intermediate mov.

llvm-svn: 366340
This commit is contained in:
Matt Arsenault 2019-07-17 15:35:36 +00:00
parent a5786d13db
commit 26b8c36c13
2 changed files with 6 additions and 6 deletions
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4
lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
View File

@ -620,10 +620,10 @@ MachineSDNode *AMDGPUDAGToDAGISel::buildSMovImm64(SDLoc &DL, uint64_t Imm,
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),

8
test/CodeGen/AMDGPU/shift-i128.ll
View File

@ -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