REQUIRES: x86

## Test that DTLTO-specific options are handled correctly.

RUN: rm -rf %t && split-file %s %t && cd %t

RUN: opt -thinlto-bc foo.ll -o foo.obj

## Not specifying a value for -thinlto-remote-compiler should result in an
## error if -thinlto-distributor is specified.
RUN: not lld-link /entry:foo /subsystem:console foo.obj /out:my.exe \
RUN:   -thinlto-distributor:fake.exe 2>&1 | FileCheck %s --check-prefix=COMPILER
RUN: lld-link /entry:foo /subsystem:console foo.obj /out:my.exe

## Specifying an empty value for -thinlto-remote-compiler should result in an
## error if -thinlto-distributor is specified.
RUN: not lld-link /entry:foo /subsystem:console foo.obj /out:my.exe \
RUN:   -thinlto-distributor:fake.exe \
RUN:   -thinlto-remote-compiler:"" 2>&1 | FileCheck %s --check-prefix=COMPILER
RUN: lld-link /entry:foo /subsystem:console foo.obj /out:my.exe \
RUN:   -thinlto-remote-compiler:""

COMPILER: error: A value must be specified for /thinlto-remote-compiler if /thinlto-distributor is specified.

## Test that DTLTO options are passed correctly to the distributor and
## remote compiler.
## Note: validate.py does not perform any compilation. Instead, it validates the
## received JSON, pretty-prints the JSON and the supplied arguments, and then
## exits with an error. This allows FileCheck directives to verify the
## distributor inputs.
RUN: not lld-link /entry:foo /subsystem:console foo.obj /out:my.exe \
RUN:   -thinlto-distributor:%python \
RUN:   -thinlto-distributor-arg:%llvm_src_root/utils/dtlto/validate.py \
RUN:   -thinlto-distributor-arg:darg1=10 \
RUN:   -thinlto-distributor-arg:darg2=20 \
RUN:   -thinlto-remote-compiler:my_clang.exe \
RUN:   -thinlto-remote-compiler-arg:carg1=20 \
RUN:   -thinlto-remote-compiler-arg:carg2=30 2>&1 | FileCheck %s

CHECK: distributor_args=['darg1=10', 'darg2=20']

CHECK: "linker_output": "my.exe"

CHECK: "my_clang.exe"
CHECK: "carg1=20"
CHECK: "carg2=30"

CHECK: error: DTLTO backend compilation: cannot open native object file:

#--- foo.ll
target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-windows-msvc"

define void @foo() {
  ret void
}