| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs -run-pass=prologepilog %s -o - | FileCheck %s |
| |
| # The wrong form of scavengeRegister was used, so it wasn't accounting |
| # for the iterator passed to eliminateFrameIndex. It was instead using |
| # the current iterator in the scavenger, which was not yet set if the |
| # spill was the first instruction in the block. |
| |
| --- |
| name: scavenge_register_position |
| tracksRegLiveness: true |
| |
| # Force a frame larger than the immediate field with a large alignment. |
| stack: |
| - { id: 0, type: default, offset: 4096, size: 4, alignment: 8192 } |
| |
| machineFunctionInfo: |
| isEntryFunction: true |
| scratchRSrcReg: $sgpr0_sgpr1_sgpr2_sgpr3 |
| scratchWaveOffsetReg: $sgpr5 |
| frameOffsetReg: $sgpr5 |
| |
| body: | |
| ; CHECK-LABEL: name: scavenge_register_position |
| ; CHECK: bb.0: |
| ; CHECK: successors: %bb.1(0x80000000) |
| ; CHECK: liveins: $sgpr4, $sgpr0_sgpr1_sgpr2_sgpr3 |
| ; CHECK: $sgpr5 = COPY $sgpr4 |
| ; CHECK: $sgpr6 = S_ADD_U32 $sgpr5, 524288, implicit-def $scc |
| ; CHECK: $vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, killed $sgpr6, 0, 0, 0, 0, implicit $exec :: (load 4 from %stack.0, align 8192, addrspace 5) |
| ; CHECK: S_BRANCH %bb.1 |
| ; CHECK: bb.1: |
| ; CHECK: liveins: $sgpr5, $sgpr0_sgpr1_sgpr2_sgpr3 |
| ; CHECK: $sgpr4 = S_ADD_U32 $sgpr5, 524288, implicit-def $scc |
| ; CHECK: $vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, killed $sgpr4, 0, 0, 0, 0, implicit $exec :: (load 4 from %stack.0, align 8192, addrspace 5) |
| ; CHECK: S_ENDPGM 0, implicit $vgpr0 |
| bb.0: |
| $vgpr0 = SI_SPILL_V32_RESTORE %stack.0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr5, 0, implicit $exec :: (load 4 from %stack.0, addrspace 5) |
| S_BRANCH %bb.1 |
| |
| bb.1: |
| $vgpr0 = SI_SPILL_V32_RESTORE %stack.0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr5, 0, implicit $exec :: (load 4 from %stack.0, addrspace 5) |
| S_ENDPGM 0, implicit $vgpr0 |
| ... |