REQUIRES: lld-link

# Test that DTLTO temporary files are "best-effort" cleaned up unless
# --save-temps is specified. We use archives in this test as the handling for
# archives requires a superset of the temporary files used for object inputs.

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

RUN: %clang --target=x86_64-pc-windows-msvc -O2 t1.c -flto=thin -c

RUN: lld-link /lib /out:t.lib t1.o

DEFINE: %{tdir} = dummy-to-make-lit-work
DEFINE: %{dtlto} = mkdir %{tdir} && \
DEFINE:   lld-link /subsystem:console /machine:x64 /out:%{tdir}/my.exe  \
DEFINE:     /wholearchive:t.lib \
DEFINE:     -thinlto-distributor:%python \
DEFINE:     -thinlto-distributor-arg:%llvm_src_root/utils/dtlto/local.py \
DEFINE:     -thinlto-remote-compiler:%clang

# Check that temporary files are removed normally.
REDEFINE: %{tdir} = empty
RUN: %{dtlto}
RUN: ls %{tdir} | sort | FileCheck %s --check-prefixes=BOOKEND,ELF

# Check that --save-temps preserves temporary files.
REDEFINE: %{tdir} = savetemps
RUN: %{dtlto} /lldsavetemps
RUN: ls %{tdir} | sort | FileCheck %s --check-prefixes=BOOKEND,TEMPS,ELF,OTHER

# No files are expected before.
BOOKEND-NOT: {{.}}
TEMPS: {{^}}my.[[#PID:]].dist-file.json{{$}}
ELF:   {{^}}my.exe{{$}}
OTHER: {{^}}my.exe.resolution.txt{{$}}
# Filename composition: <archive><member><member offset>.<task>.<pid>.<task>.<pid>.native.o.
TEMPS: {{^}}t.libt1.o[[#T1_OFFSET:]].1.[[#%X,HEXPID:]].1.[[#PID]].native.o{{$}}
TEMPS: {{^}}t.libt1.o[[#T1_OFFSET]].1.[[#%X,HEXPID]].1.[[#PID]].native.o.thinlto.bc{{$}}
TEMPS: {{^}}t.libt1.o[[#T1_OFFSET]].1.[[#%X,HEXPID]].o{{$}}
# No files are expected after.
BOOKEND-NOT: {{.}}

#--- t1.c
__attribute__((retain)) int mainCRTStartup() { return 0; }