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sdk/runtime/llvm_codegen/codegen/BUILD.gn
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Martin Kustermann 4ea512b4c1 [llvm_codegen] Use exclusively SExpression support from VM and nothing else.
The LLVM code generator should only consume the serialized IR and not use any other VM functionality.
This CL adds a custom zone which can be used for the deserialized IR nodes and removes any
Dart_SetVMFlags/Dart_Initialize/ApiZone/... calls.

This works with the existing example:

    % ninja -C out/ReleaseX64 codegen
    % out/ReleaseX64/codegen runtime/llvm_codegen/test/codegen/Inputs/hello.sex
    ...
    define void @"hello.dart::main"() {

    B1:
      %0 = call i8* @llvm.stacksave()
      %1 = ptrtoint i8* %0 to i64
      %2 = load i64, i64 addrspace(256)* inttoptr (i64 72 to i64 addrspace(256)*)
      %3 = icmp ult i64 %1, %2
      br i1 %3, label %4, label %5
      ...
      ret void
    }
    ...
Change-Id: I1d07ba6bc122d100c73f97cfa961d36240489666
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/120792
Commit-Queue: Martin Kustermann <kustermann@google.com>
Auto-Submit: Martin Kustermann <kustermann@google.com>
Reviewed-by: Teagan Strickland <sstrickl@google.com>
2019-10-30 16:27:04 +00:00

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# Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
# for details. All rights reserved. Use of this source code is governed by a
# BSD-style license that can be found in the LICENSE file.
import("../../vm/compiler/compiler_sources.gni")
config("config") {
include_dirs = [ "../../" ]
cflags = [ "-Wno-unused-private-field" ]
}
_lib_llvm_so = "../../../third_party/llvm/lib/libLLVM-9svn.so"
config("llvm") {
include_dirs = [ "../../../third_party/llvm/include" ]
libs = [ _lib_llvm_so ]
}
copy("lib_llvm") {
sources = [
_lib_llvm_so,
]
outputs = [
"$root_out_dir/libLLVM-9svn.so",
]
public_configs = [ ":llvm" ]
}
executable("codegen") {
sources = [
"custom_zone.cc",
"custom_zone.h",
"dart.cc",
"dart.h",
"main.cc",
]
deps = [
":lib_llvm",
"../../third_party/double-conversion/src:libdouble_conversion",
]
configs += [ ":config" ]
}