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94 lines
3.3 KiB
Plaintext
94 lines
3.3 KiB
Plaintext
REQUIRES: lld-link
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## Test that a DTLTO link succeeds and outputs the expected set of files
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## correctly when thin archives are present.
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RUN: rm -rf %t && split-file %s %t && cd %t
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## Compile bitcode. -O2 is required for cross-module importing.
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RUN: %clang -O2 --target=x86_64-pc-windows-msvc -flto=thin -c \
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RUN: foo.c bar.c dog.c cat.c start.c
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## Generate thin archives.
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RUN: lld-link /lib /llvmlibthin /out:foo.lib foo.o
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## Create this bitcode thin archive in a subdirectory to test the expansion of
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## the path to a bitcode file that is referenced using "..", e.g., in this case
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## "../bar.o".
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RUN: mkdir lib
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RUN: lld-link /lib /llvmlibthin /out:lib/bar.lib bar.o
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## Create this bitcode thin archive with an absolute path entry containing "..".
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RUN: lld-link /lib /llvmlibthin /out:dog.lib %t/lib/../dog.o
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RUN: lld-link /lib /llvmlibthin /out:cat.lib cat.o
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RUN: lld-link /lib /llvmlibthin /out:start.lib start.o
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## Link from a different directory to ensure that thin archive member paths are
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## resolved correctly relative to the archive locations.
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RUN: mkdir %t/out && cd %t/out
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RUN: lld-link /subsystem:console /machine:x64 /entry:start /out:my.exe \
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RUN: %t/foo.lib %t/lib/bar.lib ../start.lib %t/cat.lib \
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RUN: /includeoptional:dog ../dog.lib \
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RUN: -thinlto-distributor:%python \
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RUN: -thinlto-distributor-arg:%llvm_src_root/utils/dtlto/local.py \
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RUN: -thinlto-remote-compiler:%clang \
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RUN: /lldsavetemps
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## Check that the required output files have been created.
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RUN: ls | FileCheck %s --check-prefix=OUTPUTS --implicit-check-not=cat
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## JSON jobs description.
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OUTPUTS-DAG: my.[[#PID:]].dist-file.json
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## Individual summary index files.
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OUTPUTS-DAG: start.1.[[#PID]].native.o.thinlto.bc{{$}}
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OUTPUTS-DAG: dog.2.[[#PID]].native.o.thinlto.bc{{$}}
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OUTPUTS-DAG: foo.3.[[#PID]].native.o.thinlto.bc{{$}}
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OUTPUTS-DAG: bar.4.[[#PID]].native.o.thinlto.bc{{$}}
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## Native output object files.
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OUTPUTS-DAG: start.1.[[#PID]].native.o{{$}}
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OUTPUTS-DAG: dog.2.[[#PID]].native.o{{$}}
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OUTPUTS-DAG: foo.3.[[#PID]].native.o{{$}}
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OUTPUTS-DAG: bar.4.[[#PID]].native.o{{$}}
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## It is important that cross-module inlining occurs for this test to show that Clang can
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## successfully load the bitcode file dependencies recorded in the summary indices.
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## Explicitly check that the expected importing has occurred.
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RUN: llvm-dis start.1.*.native.o.thinlto.bc -o - | \
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RUN: FileCheck %s --check-prefixes=FOO,BAR,START
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RUN: llvm-dis dog.2.*.native.o.thinlto.bc -o - | \
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RUN: FileCheck %s --check-prefixes=FOO,BAR,DOG,START
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RUN: llvm-dis foo.3.*.native.o.thinlto.bc -o - | \
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RUN: FileCheck %s --check-prefixes=FOO,BAR,START
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RUN: llvm-dis bar.4.*.native.o.thinlto.bc -o - | \
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RUN: FileCheck %s --check-prefixes=FOO,BAR,START
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FOO-DAG: foo.o
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BAR-DAG: bar.o
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DOG-DAG: dog.o
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START-DAG: start.o
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#--- foo.c
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extern int bar(int), start(int);
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__attribute__((retain)) int foo(int x) { return x + bar(x) + start(x); }
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#--- bar.c
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extern int foo(int), start(int);
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__attribute__((retain)) int bar(int x) { return x + foo(x) + start(x); }
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#--- dog.c
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extern int foo(int), bar(int), start(int);
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__attribute__((retain)) int dog(int x) { return x + foo(x) + bar(x) + start(x); }
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#--- cat.c
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__attribute__((retain)) void cat(int x) {}
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#--- start.c
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extern int foo(int), bar(int);
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__attribute__((retain)) int start(int x) { return x + foo(x) + bar(x); }
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