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[AMDGPU] Remove most uses of /dev/null in tests (#156630)
Using options like -filetype=null instead should allow tools to save some work by not generating any output.
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‎llvm/test/Analysis/DotMachineCFG/AMDGPU/functions.mir

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# RUN: llc -mtriple=amdgcn-- -run-pass=dot-machine-cfg -mcfg-dot-filename-prefix=%t -mcfg-func-name=func2 -o - %s 2>&1 > /dev/null
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# RUN: llc -mtriple=amdgcn-- -run-pass=dot-machine-cfg -mcfg-dot-filename-prefix=%t -mcfg-func-name=func2 -o - %s -filetype=null 2>&1
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# RUN: FileCheck %s -input-file=%t.func2.dot --check-prefix=MCFG
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# MCFG-NOT: digraph "Machine CFG for 'func1' function"

‎llvm/test/Analysis/DotMachineCFG/AMDGPU/irreducible.mir

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# RUN: llc -mtriple=amdgcn-- -run-pass=dot-machine-cfg -mcfg-dot-filename-prefix=%t -o - %s 2>&1 > /dev/null
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# RUN: llc -mtriple=amdgcn-- -run-pass=dot-machine-cfg -mcfg-dot-filename-prefix=%t -o - %s -filetype=null 2>&1
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# RUN: FileCheck %s -input-file=%t.irreducible.dot --check-prefix=MCFG
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# RUN: llc -mtriple=amdgcn-- -run-pass=dot-machine-cfg -mcfg-dot-filename-prefix=%t -dot-mcfg-only -o - %s 2>&1 > /dev/null
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# RUN: llc -mtriple=amdgcn-- -run-pass=dot-machine-cfg -mcfg-dot-filename-prefix=%t -dot-mcfg-only -o - %s -filetype=null 2>&1
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# RUN: FileCheck %s -input-file=%t.irreducible.dot --check-prefix=MCFG-ONLY
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# MCFG: digraph "Machine CFG for 'irreducible' function"

‎llvm/test/CodeGen/AMDGPU/GlobalISel/global-value.illegal.ll

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; RUN: not llc -global-isel -global-isel-abort=1 -mtriple=amdgcn-amd-amdhsa -mcpu=hawaii -o /dev/null %s 2>&1 | FileCheck -check-prefix=ERR %s
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; RUN: not llc -global-isel -global-isel-abort=1 -mtriple=amdgcn-amd-amdhsa -mcpu=hawaii -filetype=null %s 2>&1 | FileCheck -check-prefix=ERR %s
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; FIXME: Should produce context error for each one
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; ERR: LLVM ERROR: unable to legalize instruction: %{{[0-9]+}}:_(p5) = G_GLOBAL_VALUE @external_private (in function: fn_external_private)

‎llvm/test/CodeGen/AMDGPU/GlobalISel/insertelement.ll

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; RUN: llc -global-isel -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck -check-prefix=GPRIDX %s
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; RUN: llc -global-isel -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1010 -verify-machineinstrs < %s | FileCheck -check-prefixes=GFX10PLUS,GFX10 %s
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; RUN: llc -global-isel -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1100 -amdgpu-enable-delay-alu=0 -verify-machineinstrs < %s | FileCheck -check-prefixes=GFX10PLUS,GFX11 %s
5-
; RUN: not --crash llc -global-isel -mtriple=amdgcn-mesa-mesa3d -mcpu=fiji -verify-machineinstrs -o /dev/null %s 2>&1 | FileCheck -check-prefix=ERR %s
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; RUN: not --crash llc -global-isel -mtriple=amdgcn-mesa-mesa3d -mcpu=fiji -verify-machineinstrs -filetype=null %s 2>&1 | FileCheck -check-prefix=ERR %s
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; FIXME: Need constant bus fixup pre-gfx10 for movrel
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; ERR: Bad machine code: VOP* instruction violates constant bus restriction

‎llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.class.s16.mir

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# RUN: llc -mtriple=amdgcn -mcpu=fiji -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck -check-prefix=WAVE32 %s
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# RUN: llc -mtriple=amdgcn -mcpu=gfx1010 -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck -check-prefix=WAVE64 %s
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# RUN: llc -mtriple=amdgcn -mcpu=tahiti -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=2 -pass-remarks-missed='gisel*' %s -o /dev/null 2>&1 | FileCheck -check-prefix=SI-ERR %s
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# RUN: llc -mtriple=amdgcn -mcpu=tahiti -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=2 -pass-remarks-missed='gisel*' %s -filetype=null 2>&1 | FileCheck -check-prefix=SI-ERR %s
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# SI-ERR-NOT: remark
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# SI-ERR: remark: <unknown>:0:0: cannot select: %3:vcc(s1) = G_INTRINSIC intrinsic(@llvm.amdgcn.class), %2:sgpr(s16), %1:vgpr(s32) (in function: class_s16_vcc_sv)

‎llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.cos.s16.mir

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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -mtriple=amdgcn -mcpu=fiji -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
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# RUN: llc -mtriple=amdgcn -mcpu=tahiti -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=2 -pass-remarks-missed='gisel*' %s -o /dev/null 2>&1 | FileCheck -check-prefix=SI-ERR %s
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# RUN: llc -mtriple=amdgcn -mcpu=tahiti -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=2 -pass-remarks-missed='gisel*' %s -filetype=null 2>&1 | FileCheck -check-prefix=SI-ERR %s
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# SI-ERR: remark: <unknown>:0:0: cannot select: %2:vgpr(s16) = G_INTRINSIC intrinsic(@llvm.amdgcn.cos), %1:sgpr(s16) (in function: cos_s16_vs)
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# SI-ERR: remark: <unknown>:0:0: cannot select: %2:vgpr(s16) = G_INTRINSIC intrinsic(@llvm.amdgcn.cos), %1:vgpr(s16) (in function: cos_s16_vv)

‎llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.fmed3.s16.mir

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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -mtriple=amdgcn -mcpu=gfx900 -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s
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# RUN: llc -mtriple=amdgcn -mcpu=fiji -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=2 -pass-remarks-missed='gisel*' %s -o /dev/null 2>&1 | FileCheck -check-prefix=VI-ERR %s
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# RUN: llc -mtriple=amdgcn -mcpu=fiji -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=2 -pass-remarks-missed='gisel*' %s -filetype=null 2>&1 | FileCheck -check-prefix=VI-ERR %s
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# VI-ERR-NOT: remark
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# VI-ERR: remark: <unknown>:0:0: cannot select: %6:vgpr(s16) = G_INTRINSIC intrinsic(@llvm.amdgcn.fmed3), %3:vgpr(s16), %4:vgpr(s16), %5:vgpr(s16) (in function: fmed3_s16_vvvv)

‎llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.fract.s16.mir

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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -mtriple=amdgcn -mcpu=fiji -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
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# RUN: llc -mtriple=amdgcn -mcpu=tahiti -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=2 -pass-remarks-missed='gisel*' %s -o /dev/null 2>&1 | FileCheck -check-prefix=SI-ERR %s
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# RUN: llc -mtriple=amdgcn -mcpu=tahiti -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=2 -pass-remarks-missed='gisel*' %s -filetype=null 2>&1 | FileCheck -check-prefix=SI-ERR %s
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# SI-ERR: remark: <unknown>:0:0: cannot select: %2:vgpr(s16) = G_INTRINSIC intrinsic(@llvm.amdgcn.fract), %1:sgpr(s16) (in function: fract_s16_vs)
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# SI-ERR: remark: <unknown>:0:0: cannot select: %2:vgpr(s16) = G_INTRINSIC intrinsic(@llvm.amdgcn.fract), %1:vgpr(s16) (in function: fract_s16_vv)

‎llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.rcp.legacy.mir

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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -mtriple=amdgcn -mcpu=tahiti -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
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# RUN: llc -mtriple=amdgcn -mcpu=hawaii -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
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# RUN: llc -mtriple=amdgcn -mcpu=fiji -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=2 -pass-remarks-missed='gisel*' %s -o /dev/null 2>&1 | FileCheck -check-prefix=VI-ERR %s
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# RUN: llc -mtriple=amdgcn -mcpu=gfx1010 -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=2 -pass-remarks-missed='gisel*' %s -o /dev/null 2>&1 | FileCheck -check-prefix=VI-ERR %s
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# RUN: llc -mtriple=amdgcn -mcpu=fiji -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=2 -pass-remarks-missed='gisel*' %s -filetype=null 2>&1 | FileCheck -check-prefix=VI-ERR %s
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# RUN: llc -mtriple=amdgcn -mcpu=gfx1010 -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=2 -pass-remarks-missed='gisel*' %s -filetype=null 2>&1 | FileCheck -check-prefix=VI-ERR %s
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# VI-ERR: remark: <unknown>:0:0: cannot select: %1:vgpr(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.rcp.legacy), %0:sgpr(s32) (in function: rcp_legacy_s32_vs)
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# VI-ERR-NEXT: remark: <unknown>:0:0: cannot select: %1:vgpr(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.rcp.legacy), %0:vgpr(s32) (in function: rcp_legacy_s32_vv)

‎llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.rcp.s16.mir

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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -mtriple=amdgcn -mcpu=fiji -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
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# RUN: llc -mtriple=amdgcn -mcpu=tahiti -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=2 -pass-remarks-missed='gisel*' %s -o /dev/null 2>&1 | FileCheck -check-prefix=SI-ERR %s
3+
# RUN: llc -mtriple=amdgcn -mcpu=tahiti -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=2 -pass-remarks-missed='gisel*' %s -filetype=null 2>&1 | FileCheck -check-prefix=SI-ERR %s
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# SI-ERR: remark: <unknown>:0:0: cannot select: %2:vgpr(s16) = G_INTRINSIC intrinsic(@llvm.amdgcn.rcp), %1:sgpr(s16) (in function: rcp_s16_vs)
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# SI-ERR: remark: <unknown>:0:0: cannot select: %2:vgpr(s16) = G_INTRINSIC intrinsic(@llvm.amdgcn.rcp), %1:vgpr(s16) (in function: rcp_s16_vv)

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