llvm/test/TableGen/AMDGPUTargetDefErrors.td

// RUN: rm -rf %t && split-file %s %t
// RUN: not llvm-tblgen -gen-amdgpu-target-def -I %p/../../include %t/bad-alias.td 2>&1 \
// RUN:   | FileCheck %t/bad-alias.td -DFILE=%t/bad-alias.td --implicit-check-not="error:"
// RUN: not llvm-tblgen -gen-amdgpu-target-def -I %p/../../include %t/dup-processor.td 2>&1 \
// RUN:   | FileCheck %t/dup-processor.td -DFILE=%t/dup-processor.td --implicit-check-not="error:"
// RUN: not llvm-tblgen -gen-amdgpu-target-def -I %p/../../include %t/alias-shadows-processor.td 2>&1 \
// RUN:   | FileCheck %t/alias-shadows-processor.td -DFILE=%t/alias-shadows-processor.td --implicit-check-not="error:"
// RUN: not llvm-tblgen -gen-amdgpu-target-def -I %p/../../include %t/bad-isa-version.td 2>&1 \
// RUN:   | FileCheck %t/bad-isa-version.td -DFILE=%t/bad-isa-version.td --implicit-check-not="error:"
// RUN: not llvm-tblgen -gen-amdgpu-target-def -I %p/../../include %t/oversized-major.td 2>&1 \
// RUN:   | FileCheck %t/oversized-major.td -DFILE=%t/oversized-major.td --implicit-check-not="error:"
// RUN: not llvm-tblgen -gen-amdgpu-target-def -I %p/../../include %t/oversized-minor.td 2>&1 \
// RUN:   | FileCheck %t/oversized-minor.td -DFILE=%t/oversized-minor.td --implicit-check-not="error:"
// RUN: not llvm-tblgen -gen-amdgpu-target-def -I %p/../../include %t/oversized-stepping.td 2>&1 \
// RUN:   | FileCheck %t/oversized-stepping.td -DFILE=%t/oversized-stepping.td --implicit-check-not="error:"
// RUN: not llvm-tblgen -gen-amdgpu-target-def -I %p/../../include %t/negative-component.td 2>&1 \
// RUN:   | FileCheck %t/negative-component.td -DFILE=%t/negative-component.td --implicit-check-not="error:"
// RUN: not llvm-tblgen -gen-amdgpu-target-def -I %p/../../include %t/bad-stepping.td 2>&1 \
// RUN:   | FileCheck %t/bad-stepping.td -DFILE=%t/bad-stepping.td --implicit-check-not="error:"
// RUN: not llvm-tblgen -gen-amdgpu-target-def -I %p/../../include %t/generic-feature-superset.td 2>&1 \
// RUN:   | FileCheck %t/generic-feature-superset.td -DFILE=%t/generic-feature-superset.td --implicit-check-not="error:"

// Verify the validation performed by the -gen-amdgpu-target-def backend.

//--- bad-alias.td
include "llvm/Target/TargetSubtarget.td"
class AMDGPUGPUInfo<list<int> isa = []> {
  list<int> IsaVersion = isa;
  list<Processor> CoveredGPUs = [];
  bit IsPseudoTarget = false;
}

def : ProcessorModel<"gfx900", NoSchedModel, []>, AMDGPUGPUInfo<[9, 0, 0]>;
// An alias must resolve to a canonical AMDGPU GPU.
// CHECK: [[FILE]]:[[#@LINE+1]]:1: error: ProcessorAlias 'foo' aliases 'gfx-missing' which is not a canonical AMDGPU GPU
def : ProcessorAlias<"foo", "gfx-missing">;

//--- dup-processor.td
include "llvm/Target/TargetSubtarget.td"
class AMDGPUGPUInfo<list<int> isa = []> {
  list<int> IsaVersion = isa;
  list<Processor> CoveredGPUs = [];
  bit IsPseudoTarget = false;
}

def DupA : ProcessorModel<"gfx900", NoSchedModel, []>, AMDGPUGPUInfo<[9, 0, 0]>;
// A canonical GPU name must be unique.
// CHECK: [[FILE]]:[[#@LINE+1]]:5: error: duplicate AMDGPU processor name 'gfx900'
def DupB : ProcessorModel<"gfx900", NoSchedModel, []>, AMDGPUGPUInfo<[9, 0, 0]>;

//--- alias-shadows-processor.td
include "llvm/Target/TargetSubtarget.td"
class AMDGPUGPUInfo<list<int> isa = []> {
  list<int> IsaVersion = isa;
  list<Processor> CoveredGPUs = [];
  bit IsPseudoTarget = false;
}

def : ProcessorModel<"gfx900", NoSchedModel, []>, AMDGPUGPUInfo<[9, 0, 0]>;
// An alias name must not collide with a canonical GPU name.
// CHECK: [[FILE]]:[[#@LINE+1]]:1: error: duplicate AMDGPU processor name 'gfx900'
def : ProcessorAlias<"gfx900", "gfx900">;

//--- bad-isa-version.td
include "llvm/Target/TargetSubtarget.td"
class AMDGPUGPUInfo<list<int> isa = []> {
  list<int> IsaVersion = isa;
  list<Processor> CoveredGPUs = [];
  bit IsPseudoTarget = false;
}
// A malformed IsaVersion is reported (not asserted), so this stays a clean
// diagnostic in release builds.
// CHECK: [[FILE]]:[[#@LINE+1]]:1: error: GPU 'gfx900' must have a 3-element [major, minor, stepping] IsaVersion
def : ProcessorModel<"gfx900", NoSchedModel, []>, AMDGPUGPUInfo<[9, 0]>;

//--- oversized-major.td
include "llvm/Target/TargetSubtarget.td"
class AMDGPUGPUInfo<list<int> isa = []> {
  list<int> IsaVersion = isa;
  list<Processor> CoveredGPUs = [];
  bit IsPseudoTarget = false;
}
// A major that does not fit in the uint8_t table field is rejected rather than
// silently truncated.
// CHECK: [[FILE]]:[[#@LINE+1]]:1: error: GPU 'gfx900' IsaVersion components must each fit in a byte
def : ProcessorModel<"gfx900", NoSchedModel, []>, AMDGPUGPUInfo<[256, 0, 0]>;

//--- oversized-minor.td
include "llvm/Target/TargetSubtarget.td"
class AMDGPUGPUInfo<list<int> isa = []> {
  list<int> IsaVersion = isa;
  list<Processor> CoveredGPUs = [];
  bit IsPseudoTarget = false;
}
// A minor that does not fit in the uint8_t table field is likewise rejected.
// CHECK: [[FILE]]:[[#@LINE+1]]:1: error: GPU 'gfx900' IsaVersion components must each fit in a byte
def : ProcessorModel<"gfx900", NoSchedModel, []>, AMDGPUGPUInfo<[9, 256, 0]>;

//--- oversized-stepping.td
include "llvm/Target/TargetSubtarget.td"
class AMDGPUGPUInfo<list<int> isa = []> {
  list<int> IsaVersion = isa;
  list<Processor> CoveredGPUs = [];
  bit IsPseudoTarget = false;
}
// A stepping that does not fit in the uint8_t table field is likewise rejected.
// The byte check fires before the single-hex-digit check.
// CHECK: [[FILE]]:[[#@LINE+1]]:1: error: GPU 'gfx900' IsaVersion components must each fit in a byte
def : ProcessorModel<"gfx900", NoSchedModel, []>, AMDGPUGPUInfo<[9, 0, 256]>;

//--- negative-component.td
include "llvm/Target/TargetSubtarget.td"
class AMDGPUGPUInfo<list<int> isa = []> {
  list<int> IsaVersion = isa;
  list<Processor> CoveredGPUs = [];
  bit IsPseudoTarget = false;
}
// A negative component is likewise rejected (it does not fit an unsigned byte).
// CHECK: [[FILE]]:[[#@LINE+1]]:1: error: GPU 'gfx900' IsaVersion components must each fit in a byte
def : ProcessorModel<"gfx900", NoSchedModel, []>, AMDGPUGPUInfo<[9, 0, -1]>;

//--- bad-stepping.td
include "llvm/Target/TargetSubtarget.td"
class AMDGPUGPUInfo<list<int> isa = []> {
  list<int> IsaVersion = isa;
  list<Processor> CoveredGPUs = [];
  bit IsPseudoTarget = false;
}
// The stepping is spelled as one hex digit in the device/subarch names, so it
// must fit in a nibble even though the table field is a full byte.
// CHECK: [[FILE]]:[[#@LINE+1]]:1: error: GPU 'gfx900' stepping must be a single hex digit
def : ProcessorModel<"gfx900", NoSchedModel, []>, AMDGPUGPUInfo<[9, 0, 16]>;

//--- generic-feature-superset.td
include "llvm/Target/TargetSubtarget.td"
class AMDGPUGPUInfo<list<int> isa = []> {
  list<int> IsaVersion = isa;
  list<Processor> CoveredGPUs = [];
  bit IsPseudoTarget = false;
}

def FeatureFoo : SubtargetFeature<"foo", "HasFoo", "true", "Foo">;

// Ordinary frontend-visible features require support from every covered GPU.
def AMDGPUFrontendVisibleFeatures {
  list<SubtargetFeature> Features = [FeatureFoo];
}

def GFX900 : ProcessorModel<"gfx900", NoSchedModel, []>, AMDGPUGPUInfo<[9, 0, 0]>;

// A generic target must not expose a feature a covered GPU lacks: gfx900 does
// not have 'foo'.
// CHECK: [[FILE]]:[[#@LINE+1]]:1: error: generic target 'gfx9-generic' exposes feature 'foo' not supported by covered GPU 'gfx900'
def : ProcessorModel<"gfx9-generic", NoSchedModel, [FeatureFoo]>,
      AMDGPUGPUInfo<[9, 0, 0]> {
  let CoveredGPUs = [GFX900];
}