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| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx906 -verify-machineinstrs -run-pass=machine-scheduler -verify-misched -o - %s | FileCheck %s
# This would assert that a dead def should have no uses, but the dead
# def and use have different subreg indices.
---
name: multi_def_dead_reg_subreg_check
tracksRegLiveness: true
machineFunctionInfo:
isEntryFunction: true
scratchRSrcReg: '$sgpr24_sgpr25_sgpr26_sgpr27'
scratchWaveOffsetReg: '$sgpr32'
frameOffsetReg: '$sgpr32'
stackPtrOffsetReg: '$sgpr32'
argumentInfo:
privateSegmentBuffer: { reg: '$sgpr0_sgpr1_sgpr2_sgpr3' }
privateSegmentWaveByteOffset: { reg: '$sgpr33' }
body: |
; CHECK-LABEL: name: multi_def_dead_reg_subreg_check
; CHECK: bb.0:
; CHECK: successors: %bb.1(0x80000000)
; CHECK: liveins: $sgpr6_sgpr7
; CHECK: undef %0.sub3:vreg_512 = V_MOV_B32_e32 0, implicit $exec
; CHECK: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
; CHECK: [[V_ADD_U32_e32_:%[0-9]+]]:vgpr_32 = V_ADD_U32_e32 0, [[V_MOV_B32_e32_]], implicit $exec
; CHECK: [[V_MOV_B32_e32_1:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
; CHECK: [[COPY:%[0-9]+]]:vreg_512 = COPY %0
; CHECK: bb.1:
; CHECK: successors: %bb.1(0x80000000)
; CHECK: BUFFER_STORE_DWORD_OFFEN %0.sub3, undef %5:vgpr_32, $sgpr24_sgpr25_sgpr26_sgpr27, $sgpr32, 0, 0, 0, 0, 0, 0, implicit $exec :: (store 4, align 8, addrspace 5)
; CHECK: dead %6:vgpr_32 = DS_READ_B32_gfx9 undef %7:vgpr_32, 0, 0, implicit $exec
; CHECK: dead %8:vreg_64 = DS_READ_B64_gfx9 [[V_MOV_B32_e32_]], 0, 0, implicit $exec
; CHECK: dead %9:vreg_128 = DS_READ_B128_gfx9 [[V_ADD_U32_e32_]], 0, 0, implicit $exec
; CHECK: [[COPY1:%[0-9]+]]:vgpr_32 = COPY [[COPY]].sub0
; CHECK: undef %11.sub1:vreg_512 = COPY [[COPY]].sub1
; CHECK: INLINEASM &"", 1, 851978, def dead [[COPY1]], 851978, def dead [[COPY]].sub1, 2147483657, [[COPY1]], 2147549193, [[COPY]].sub1
; CHECK: %11.sub0:vreg_512 = COPY [[COPY]].sub0
; CHECK: %11.sub3:vreg_512 = COPY [[COPY]].sub3
; CHECK: dead %10:vgpr_32 = V_ADD_I32_e32 4, [[V_MOV_B32_e32_1]], implicit-def dead $vcc, implicit $exec
; CHECK: %11.sub2:vreg_512 = COPY undef [[V_MOV_B32_e32_]]
; CHECK: %11.sub5:vreg_512 = COPY undef [[V_MOV_B32_e32_]]
; CHECK: [[COPY2:%[0-9]+]]:vreg_512 = COPY %11
; CHECK: S_BRANCH %bb.1
bb.0:
liveins: $sgpr6_sgpr7
undef %0.sub3:vreg_512 = V_MOV_B32_e32 0, implicit $exec
%1:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
%2:vgpr_32 = V_ADD_U32_e32 0, %1, implicit $exec
%3:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
%4:vreg_512 = COPY %0
bb.1:
BUFFER_STORE_DWORD_OFFEN %0.sub3, undef %5:vgpr_32, $sgpr24_sgpr25_sgpr26_sgpr27, $sgpr32, 0, 0, 0, 0, 0, 0, implicit $exec :: (store 4, align 8, addrspace 5)
%6:vgpr_32 = DS_READ_B32_gfx9 undef %7:vgpr_32, 0, 0, implicit $exec
%8:vreg_64 = DS_READ_B64_gfx9 %1, 0, 0, implicit $exec
%9:vreg_128 = DS_READ_B128_gfx9 %2, 0, 0, implicit $exec
%10:vgpr_32 = V_ADD_I32_e32 4, %3, implicit-def dead $vcc, implicit $exec
undef %11.sub0:vreg_512 = COPY %4.sub0
%12:vgpr_32 = COPY %4.sub0
%11.sub1:vreg_512 = COPY %4.sub1
INLINEASM &"", 1, 851978, def dead %12, 851978, def dead %4.sub1, 2147483657, %12, 2147549193, %4.sub1
%11.sub2:vreg_512 = COPY undef %1
%11.sub3:vreg_512 = COPY %4.sub3
%11.sub5:vreg_512 = COPY undef %1
%4:vreg_512 = COPY %11
S_BRANCH %bb.1
...
|