SRSRC-GIT-clobber-check.mir
1.67 KB
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# RUN: llc -mtriple=amdgcn--amdpal -mcpu=gfx1010 -run-pass=prologepilog -o - %s | FileCheck %s
# On PAL, we need to ensure SRSRC do not clobber GIT pointer, passed
# in SGPR8 for HS or GS
--- |
define amdgpu_gs void @shader(i32 inreg %mergedGroupInfo) {
ret void
}
...
---
name: shader
tracksRegLiveness: true
liveins:
- { reg: '$sgpr0' }
machineFunctionInfo:
isEntryFunction: true
scratchRSrcReg: '$sgpr100_sgpr101_sgpr102_sgpr103'
stackPtrOffsetReg: '$sgpr32'
argumentInfo:
privateSegmentWaveByteOffset: { reg: '$sgpr5' }
body: |
; CHECK: $sgpr1 = COPY killed $sgpr5
; CHECK: $sgpr4_sgpr5 = S_GETPC_B64
; CHECK: $sgpr4 = S_MOV_B32 $sgpr8, implicit-def $sgpr4_sgpr5_sgpr6_sgpr7
; CHECK: $sgpr4_sgpr5_sgpr6_sgpr7 = S_LOAD_DWORDX4_IMM $sgpr4_sgpr5, 0, 0, 0, implicit-def $sgpr4_sgpr5_sgpr6_sgpr7 :: (dereferenceable invariant load 16, align 4, addrspace 4)
bb.0:
successors: %bb.1, %bb.2
liveins: $sgpr0
$exec_lo = S_MOV_B32 -1
renamable $vgpr0 = V_MBCNT_LO_U32_B32_e64 -1, 0, implicit $exec
renamable $sgpr0 = S_BFE_U32 killed renamable $sgpr0, 589836, implicit-def dead $scc
renamable $vcc_lo = V_CMP_GT_U32_e64 killed $sgpr0, killed $vgpr0, implicit $exec
$vcc_hi = IMPLICIT_DEF
$sgpr0 = S_AND_SAVEEXEC_B32 $vcc_lo, implicit-def $exec, implicit-def $scc, implicit $exec
S_CBRANCH_EXECZ %bb.2, implicit $exec
S_BRANCH %bb.1
bb.1:
renamable $vgpr0 = V_MOV_B32_e32 1065353216, implicit $exec
BUFFER_STORE_DWORD_OFFEN killed renamable $vgpr0, undef renamable $vgpr0, $sgpr100_sgpr101_sgpr102_sgpr103, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 5)
bb.2:
S_ENDPGM 0
...