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bolt/deps/llvm-18.1.8/llvm/test/CodeGen/AMDGPU/licm-regpressure.mir
Sam Vervaeck 174b6f4d4e
Embed LLVM 18.1.8
2025-02-14 19:21:04 +01:00

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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn -mcpu=gfx900 -verify-machineinstrs -run-pass machinelicm -o - %s | FileCheck -check-prefix=GCN %s
# MachineLICM shall limit hoisting of V_CVT instructions out of the loop keeping
# register pressure within the budget. VGPR budget at occupancy 10 is 24 vgprs.
---
name: test
tracksRegLiveness: true
body: |
; GCN-LABEL: name: test
; GCN: bb.0:
; GCN-NEXT: successors: %bb.1(0x80000000)
; GCN-NEXT: liveins: $vcc, $vgpr0
; GCN-NEXT: {{ $}}
; GCN-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; GCN-NEXT: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; GCN-NEXT: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; GCN-NEXT: [[COPY3:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; GCN-NEXT: [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; GCN-NEXT: [[COPY5:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; GCN-NEXT: [[COPY6:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; GCN-NEXT: [[COPY7:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; GCN-NEXT: [[COPY8:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; GCN-NEXT: [[COPY9:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; GCN-NEXT: [[COPY10:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; GCN-NEXT: [[COPY11:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; GCN-NEXT: [[COPY12:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; GCN-NEXT: [[COPY13:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; GCN-NEXT: [[COPY14:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; GCN-NEXT: [[COPY15:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; GCN-NEXT: [[COPY16:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; GCN-NEXT: [[COPY17:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; GCN-NEXT: [[V_CVT_F64_I32_e32_:%[0-9]+]]:vreg_64 = nofpexcept V_CVT_F64_I32_e32 [[COPY]], implicit $mode, implicit $exec
; GCN-NEXT: [[V_CVT_F64_I32_e32_1:%[0-9]+]]:vreg_64 = nofpexcept V_CVT_F64_I32_e32 [[COPY1]], implicit $mode, implicit $exec
; GCN-NEXT: [[V_CVT_F64_I32_e32_2:%[0-9]+]]:vreg_64 = nofpexcept V_CVT_F64_I32_e32 [[COPY2]], implicit $mode, implicit $exec
; GCN-NEXT: [[V_CVT_F64_I32_e32_3:%[0-9]+]]:vreg_64 = nofpexcept V_CVT_F64_I32_e32 [[COPY3]], implicit $mode, implicit $exec
; GCN-NEXT: [[V_CVT_F64_I32_e32_4:%[0-9]+]]:vreg_64 = nofpexcept V_CVT_F64_I32_e32 [[COPY4]], implicit $mode, implicit $exec
; GCN-NEXT: [[V_CVT_F64_I32_e32_5:%[0-9]+]]:vreg_64 = nofpexcept V_CVT_F64_I32_e32 [[COPY5]], implicit $mode, implicit $exec
; GCN-NEXT: [[V_CVT_F64_I32_e32_6:%[0-9]+]]:vreg_64 = nofpexcept V_CVT_F64_I32_e32 [[COPY6]], implicit $mode, implicit $exec
; GCN-NEXT: [[V_CVT_F64_I32_e32_7:%[0-9]+]]:vreg_64 = nofpexcept V_CVT_F64_I32_e32 [[COPY7]], implicit $mode, implicit $exec
; GCN-NEXT: [[V_CVT_F64_I32_e32_8:%[0-9]+]]:vreg_64 = nofpexcept V_CVT_F64_I32_e32 [[COPY8]], implicit $mode, implicit $exec
; GCN-NEXT: [[V_CVT_F64_I32_e32_9:%[0-9]+]]:vreg_64 = nofpexcept V_CVT_F64_I32_e32 [[COPY9]], implicit $mode, implicit $exec
; GCN-NEXT: [[V_CVT_F64_I32_e32_10:%[0-9]+]]:vreg_64 = nofpexcept V_CVT_F64_I32_e32 [[COPY10]], implicit $mode, implicit $exec
; GCN-NEXT: [[V_CVT_F64_I32_e32_11:%[0-9]+]]:vreg_64 = nofpexcept V_CVT_F64_I32_e32 [[COPY11]], implicit $mode, implicit $exec
; GCN-NEXT: [[V_CVT_F64_I32_e32_12:%[0-9]+]]:vreg_64 = nofpexcept V_CVT_F64_I32_e32 [[COPY12]], implicit $mode, implicit $exec
; GCN-NEXT: {{ $}}
; GCN-NEXT: bb.1:
; GCN-NEXT: successors: %bb.2(0x04000000), %bb.1(0x7c000000)
; GCN-NEXT: liveins: $vcc
; GCN-NEXT: {{ $}}
; GCN-NEXT: $vcc = S_AND_B64 $exec, $vcc, implicit-def $scc
; GCN-NEXT: $vcc = V_CMP_EQ_U64_e64 $vcc, [[V_CVT_F64_I32_e32_]], implicit $exec
; GCN-NEXT: $vcc = V_CMP_EQ_U64_e64 $vcc, [[V_CVT_F64_I32_e32_1]], implicit $exec
; GCN-NEXT: $vcc = V_CMP_EQ_U64_e64 $vcc, [[V_CVT_F64_I32_e32_2]], implicit $exec
; GCN-NEXT: $vcc = V_CMP_EQ_U64_e64 $vcc, [[V_CVT_F64_I32_e32_3]], implicit $exec
; GCN-NEXT: $vcc = V_CMP_EQ_U64_e64 $vcc, [[V_CVT_F64_I32_e32_4]], implicit $exec
; GCN-NEXT: $vcc = V_CMP_EQ_U64_e64 $vcc, [[V_CVT_F64_I32_e32_5]], implicit $exec
; GCN-NEXT: $vcc = V_CMP_EQ_U64_e64 $vcc, [[V_CVT_F64_I32_e32_6]], implicit $exec
; GCN-NEXT: $vcc = V_CMP_EQ_U64_e64 $vcc, [[V_CVT_F64_I32_e32_7]], implicit $exec
; GCN-NEXT: $vcc = V_CMP_EQ_U64_e64 $vcc, [[V_CVT_F64_I32_e32_8]], implicit $exec
; GCN-NEXT: $vcc = V_CMP_EQ_U64_e64 $vcc, [[V_CVT_F64_I32_e32_9]], implicit $exec
; GCN-NEXT: $vcc = V_CMP_EQ_U64_e64 $vcc, [[V_CVT_F64_I32_e32_10]], implicit $exec
; GCN-NEXT: $vcc = V_CMP_EQ_U64_e64 $vcc, [[V_CVT_F64_I32_e32_11]], implicit $exec
; GCN-NEXT: $vcc = V_CMP_EQ_U64_e64 $vcc, [[V_CVT_F64_I32_e32_12]], implicit $exec
; GCN-NEXT: [[V_CVT_F64_I32_e32_13:%[0-9]+]]:vreg_64 = nofpexcept V_CVT_F64_I32_e32 [[COPY13]], implicit $mode, implicit $exec
; GCN-NEXT: $vcc = V_CMP_EQ_U64_e64 $vcc, killed [[V_CVT_F64_I32_e32_13]], implicit $exec
; GCN-NEXT: [[V_CVT_F64_I32_e32_14:%[0-9]+]]:vreg_64 = nofpexcept V_CVT_F64_I32_e32 [[COPY14]], implicit $mode, implicit $exec
; GCN-NEXT: $vcc = V_CMP_EQ_U64_e64 $vcc, killed [[V_CVT_F64_I32_e32_14]], implicit $exec
; GCN-NEXT: [[V_CVT_F64_I32_e32_15:%[0-9]+]]:vreg_64 = nofpexcept V_CVT_F64_I32_e32 [[COPY15]], implicit $mode, implicit $exec
; GCN-NEXT: $vcc = V_CMP_EQ_U64_e64 $vcc, killed [[V_CVT_F64_I32_e32_15]], implicit $exec
; GCN-NEXT: [[V_CVT_F64_I32_e32_16:%[0-9]+]]:vreg_64 = nofpexcept V_CVT_F64_I32_e32 [[COPY16]], implicit $mode, implicit $exec
; GCN-NEXT: $vcc = V_CMP_EQ_U64_e64 $vcc, killed [[V_CVT_F64_I32_e32_16]], implicit $exec
; GCN-NEXT: [[V_CVT_F64_I32_e32_17:%[0-9]+]]:vreg_64 = nofpexcept V_CVT_F64_I32_e32 [[COPY17]], implicit $mode, implicit $exec
; GCN-NEXT: $vcc = V_CMP_EQ_U64_e64 $vcc, killed [[V_CVT_F64_I32_e32_17]], implicit $exec
; GCN-NEXT: S_CBRANCH_VCCNZ %bb.1, implicit $vcc
; GCN-NEXT: S_BRANCH %bb.2
; GCN-NEXT: {{ $}}
; GCN-NEXT: bb.2:
; GCN-NEXT: S_ENDPGM 0
bb.0:
successors: %bb.1(0x80000000)
liveins: $vcc, $vgpr0
%0:vgpr_32 = COPY $vgpr0
%1:vgpr_32 = COPY $vgpr0
%2:vgpr_32 = COPY $vgpr0
%3:vgpr_32 = COPY $vgpr0
%4:vgpr_32 = COPY $vgpr0
%5:vgpr_32 = COPY $vgpr0
%6:vgpr_32 = COPY $vgpr0
%7:vgpr_32 = COPY $vgpr0
%8:vgpr_32 = COPY $vgpr0
%9:vgpr_32 = COPY $vgpr0
%10:vgpr_32 = COPY $vgpr0
%11:vgpr_32 = COPY $vgpr0
%12:vgpr_32 = COPY $vgpr0
%13:vgpr_32 = COPY $vgpr0
%14:vgpr_32 = COPY $vgpr0
%15:vgpr_32 = COPY $vgpr0
%16:vgpr_32 = COPY $vgpr0
%17:vgpr_32 = COPY $vgpr0
bb.1:
successors: %bb.2(0x04000000), %bb.1(0x7c000000)
liveins: $vcc
$vcc = S_AND_B64 $exec, $vcc, implicit-def $scc
%18:vreg_64 = nofpexcept V_CVT_F64_I32_e32 %0, implicit $mode, implicit $exec
$vcc = V_CMP_EQ_U64_e64 $vcc, killed %18, implicit $exec
%19:vreg_64 = nofpexcept V_CVT_F64_I32_e32 %1, implicit $mode, implicit $exec
$vcc = V_CMP_EQ_U64_e64 $vcc, killed %19, implicit $exec
%20:vreg_64 = nofpexcept V_CVT_F64_I32_e32 %2, implicit $mode, implicit $exec
$vcc = V_CMP_EQ_U64_e64 $vcc, killed %20, implicit $exec
%21:vreg_64 = nofpexcept V_CVT_F64_I32_e32 %3, implicit $mode, implicit $exec
$vcc = V_CMP_EQ_U64_e64 $vcc, killed %21, implicit $exec
%22:vreg_64 = nofpexcept V_CVT_F64_I32_e32 %4, implicit $mode, implicit $exec
$vcc = V_CMP_EQ_U64_e64 $vcc, killed %22, implicit $exec
%23:vreg_64 = nofpexcept V_CVT_F64_I32_e32 %5, implicit $mode, implicit $exec
$vcc = V_CMP_EQ_U64_e64 $vcc, killed %23, implicit $exec
%24:vreg_64 = nofpexcept V_CVT_F64_I32_e32 %6, implicit $mode, implicit $exec
$vcc = V_CMP_EQ_U64_e64 $vcc, killed %24, implicit $exec
%25:vreg_64 = nofpexcept V_CVT_F64_I32_e32 %7, implicit $mode, implicit $exec
$vcc = V_CMP_EQ_U64_e64 $vcc, killed %25, implicit $exec
%26:vreg_64 = nofpexcept V_CVT_F64_I32_e32 %8, implicit $mode, implicit $exec
$vcc = V_CMP_EQ_U64_e64 $vcc, killed %26, implicit $exec
%27:vreg_64 = nofpexcept V_CVT_F64_I32_e32 %9, implicit $mode, implicit $exec
$vcc = V_CMP_EQ_U64_e64 $vcc, killed %27, implicit $exec
%28:vreg_64 = nofpexcept V_CVT_F64_I32_e32 %10, implicit $mode, implicit $exec
$vcc = V_CMP_EQ_U64_e64 $vcc, killed %28, implicit $exec
%29:vreg_64 = nofpexcept V_CVT_F64_I32_e32 %11, implicit $mode, implicit $exec
$vcc = V_CMP_EQ_U64_e64 $vcc, killed %29, implicit $exec
%30:vreg_64 = nofpexcept V_CVT_F64_I32_e32 %12, implicit $mode, implicit $exec
$vcc = V_CMP_EQ_U64_e64 $vcc, killed %30, implicit $exec
%31:vreg_64 = nofpexcept V_CVT_F64_I32_e32 %13, implicit $mode, implicit $exec
$vcc = V_CMP_EQ_U64_e64 $vcc, killed %31, implicit $exec
%32:vreg_64 = nofpexcept V_CVT_F64_I32_e32 %14, implicit $mode, implicit $exec
$vcc = V_CMP_EQ_U64_e64 $vcc, killed %32, implicit $exec
%33:vreg_64 = nofpexcept V_CVT_F64_I32_e32 %15, implicit $mode, implicit $exec
$vcc = V_CMP_EQ_U64_e64 $vcc, killed %33, implicit $exec
%34:vreg_64 = nofpexcept V_CVT_F64_I32_e32 %16, implicit $mode, implicit $exec
$vcc = V_CMP_EQ_U64_e64 $vcc, killed %34, implicit $exec
%35:vreg_64 = nofpexcept V_CVT_F64_I32_e32 %17, implicit $mode, implicit $exec
$vcc = V_CMP_EQ_U64_e64 $vcc, killed %35, implicit $exec
S_CBRANCH_VCCNZ %bb.1, implicit $vcc
S_BRANCH %bb.2
bb.2:
S_ENDPGM 0
...
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