e45ea95dbe
We already have code to extract bitcode files from archives so they can be distributed. Extend this code to extract bitcode from FatLTO objects too, which otherwise cannot be used with DTLTO.
56 lines
2.1 KiB
Plaintext
56 lines
2.1 KiB
Plaintext
REQUIRES: ld.lld,llvm-ar
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# Test that a DTLTO link succeeds and outputs the expected set of files
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# correctly when FatLTO objects 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-linux-gnu -flto=thin -ffat-lto-objects -c \
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RUN: foo.c boo.c start.c
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# We want to test FatLTO objects when included in archives.
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RUN: llvm-ar rcs foo.a foo.o
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RUN: llvm-ar rcsT boo.a boo.o
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# Build with DTLTO.
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RUN: %clang --target=x86_64-linux-gnu -flto=thin -ffat-lto-objects \
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RUN: -fuse-ld=lld -nostdlib foo.a boo.a start.o -Wl,--save-temps \
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RUN: -fthinlto-distributor=%python \
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RUN: -Xthinlto-distributor=%llvm_src_root/utils/dtlto/local.py
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# Check that the required output files have been created.
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RUN: ls | FileCheck %s
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# thin archive member: <archive>(<member> at <offset>).<task>.<pid>.<task>.<pid>.native.o
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CHECK-DAG: {{^}}boo.a(boo.o at [[#BOO_OFFSET:]]).3.[[#%X,HEXPID:]].3.[[#PID:]].native.o{{$}}
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# archive member: <archive>(<member> at <offset>).<task>.<pid>.<task>.<pid>.native.o
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CHECK-DAG: {{^}}foo.a(foo.o at [[#FOO_OFFSET:]]).2.[[#%X,HEXPID]].2.[[#PID]].native.o{{$}}
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# FatLTO object: <file>.<task>.<pid>.<task>.<pid>.native.o.
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CHECK-DAG: {{^}}start.o.1.[[#%X,HEXPID]].1.[[#PID]].native.o{{$}}
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# Check that all objects are named in all of the index files.
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# We expect this to happen because each object references symbols from the
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# others.
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RUN: llvm-dis *.1.*.thinlto.bc -o - | \
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RUN: FileCheck %s --check-prefixes=OBJECTS
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RUN: llvm-dis *.2.*.thinlto.bc -o - | \
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RUN: FileCheck %s --check-prefixes=OBJECTS
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RUN: llvm-dis *.3.*.thinlto.bc -o - | \
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RUN: FileCheck %s --check-prefixes=OBJECTS
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OBJECTS-DAG: foo.o
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OBJECTS-DAG: boo.o
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OBJECTS-DAG: start.o
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#--- foo.c
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extern int boo(int), _start(int);
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__attribute__((retain)) int foo(int x) { return x + boo(x) + _start(x); }
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#--- boo.c
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extern int foo(int), _start(int);
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__attribute__((retain)) int boo(int x) { return x + foo(x) + _start(x); }
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#--- start.c
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extern int foo(int), boo(int);
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__attribute__((retain)) int _start(int x) { return x + foo(x) + boo(x); }
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