xref: /llvm-project/llvm/test/CodeGen/AMDGPU/twoaddr-constrain.ll (revision 229e11855983ead8c8e3d5421238dbd4acdf2d29)
1; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2; RUN: llc -global-isel -mtriple=amdgcn -mcpu=gfx900 -verify-machineinstrs -stop-after twoaddressinstruction < %s | FileCheck %s
3
4; Check that %16 gets constrained to register class sgpr_96_with_sub0_sub1.
5define amdgpu_ps <3 x i32> @s_load_constant_v3i32_align4(ptr addrspace(4) inreg %ptr) {
6  ; CHECK-LABEL: name: s_load_constant_v3i32_align4
7  ; CHECK: bb.0 (%ir-block.0):
8  ; CHECK-NEXT:   liveins: $sgpr0, $sgpr1
9  ; CHECK-NEXT: {{  $}}
10  ; CHECK-NEXT:   [[COPY:%[0-9]+]]:sreg_32 = COPY killed $sgpr0
11  ; CHECK-NEXT:   [[COPY1:%[0-9]+]]:sreg_32 = COPY killed $sgpr1
12  ; CHECK-NEXT:   undef [[COPY2:%[0-9]+]].sub0:sreg_64 = COPY killed [[COPY]]
13  ; CHECK-NEXT:   [[COPY2:%[0-9]+]].sub1:sreg_64 = COPY killed [[COPY1]]
14  ; CHECK-NEXT:   early-clobber %11:sreg_64_xexec = S_LOAD_DWORDX2_IMM_ec [[COPY2]], 0, 0 :: (invariant load (<2 x s32>) from %ir.ptr, align 4, addrspace 4)
15  ; CHECK-NEXT:   [[S_LOAD_DWORD_IMM:%[0-9]+]]:sreg_32_xm0_xexec = S_LOAD_DWORD_IMM killed [[COPY2]], 8, 0 :: (invariant load (s32) from %ir.ptr + 8, addrspace 4)
16  ; CHECK-NEXT:   [[COPY3:%[0-9]+]]:sreg_32 = COPY %11.sub0
17  ; CHECK-NEXT:   $sgpr0 = COPY killed [[COPY3]]
18  ; CHECK-NEXT:   [[COPY4:%[0-9]+]]:sreg_32 = COPY killed %11.sub1
19  ; CHECK-NEXT:   $sgpr1 = COPY killed [[COPY4]]
20  ; CHECK-NEXT:   [[COPY5:%[0-9]+]]:sreg_32 = COPY killed [[S_LOAD_DWORD_IMM]]
21  ; CHECK-NEXT:   $sgpr2 = COPY killed [[COPY5]]
22  ; CHECK-NEXT:   SI_RETURN_TO_EPILOG implicit killed $sgpr0, implicit killed $sgpr1, implicit killed $sgpr2
23  %load = load <3 x i32>, ptr addrspace(4) %ptr, align 4
24  ret <3 x i32> %load
25}
26