derek.holloway
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80 lines
2.7 KiB
Plaintext
80 lines
2.7 KiB
Plaintext
REQUIRES: x86-registered-target,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 archives are present.
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RUN: rm -rf %t && split-file %s %t && cd %t
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# Compile sources into bitcode. -O2 is required for cross-module importing.
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RUN: %clang -O2 --target=x86_64-linux-gnu -flto=thin -c foo.c boo.c moo.c loo.c voo.c main.c
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RUN: llvm-ar rcs archive.a foo.o boo.o moo.o
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RUN: llvm-ar rcsT archive.thin.a loo.o voo.o
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# Build with DTLTO.
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RUN: %clang -O2 --target=x86_64-linux-gnu -Werror -flto=thin \
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RUN: -fuse-ld=lld -nostdlib -e main \
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RUN: main.o archive.a archive.thin.a -o main.elf \
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RUN: -Wl,--thinlto-distributor=%python \
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RUN: -Wl,--thinlto-distributor-arg=%llvm_src_root/utils/dtlto/local.py \
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RUN: -Wl,--thinlto-remote-compiler=%clang \
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RUN: -Wl,--save-temps
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# Check that the required output files have been created.
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RUN: ls | FileCheck %s --check-prefix=OUTPUTS
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# JSON jobs description.
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OUTPUTS-DAG: {{^}}main.[[#PID:]].dist-file.json
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# Main source.
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OUTPUTS-DAG: {{^}}main.1.[[#PID]].native.o{{$}}
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OUTPUTS-DAG: {{^}}main.1.[[#PID]].native.o.thinlto.bc{{$}}
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# Regular archive members.
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# Filename composition: <archive>(<member> at <offset>).<task>.<pid>.<task>.<pid>.native.o.
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OUTPUTS-DAG: {{^}}archive.a(boo.o at [[#BOO_OFFSET:]]).2.[[#%X,HEXPID:]].2.[[#PID]].native.o{{$}}
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OUTPUTS-DAG: {{^}}archive.a(boo.o at [[#BOO_OFFSET]]).2.[[#%X,HEXPID]].2.[[#PID]].native.o.thinlto.bc{{$}}
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OUTPUTS-DAG: {{^}}archive.a(foo.o at [[#FOO_OFFSET:]]).3.[[#%X,HEXPID]].3.[[#PID]].native.o{{$}}
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OUTPUTS-DAG: {{^}}archive.a(foo.o at [[#FOO_OFFSET]]).3.[[#%X,HEXPID]].3.[[#PID]].native.o.thinlto.bc{{$}}
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OUTPUTS-DAG: {{^}}archive.a(moo.o at [[#MOO_OFFSET:]]).4.[[#%X,HEXPID]].4.[[#PID]].native.o{{$}}
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OUTPUTS-DAG: {{^}}archive.a(moo.o at [[#MOO_OFFSET]]).4.[[#%X,HEXPID]].4.[[#PID]].native.o.thinlto.bc{{$}}
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# Thin archive members.
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OUTPUTS-DAG: {{^}}voo.5.[[#PID]].native.o{{$}}
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OUTPUTS-DAG: {{^}}voo.5.[[#PID]].native.o.thinlto.bc{{$}}
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OUTPUTS-DAG: {{^}}loo.6.[[#PID]].native.o{{$}}
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OUTPUTS-DAG: {{^}}loo.6.[[#PID]].native.o.thinlto.bc{{$}}
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# Executable file.
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OUTPUTS-DAG: {{^}}main.elf{{$}}
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#--- foo.c
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volatile int foo_int;
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__attribute__((retain)) int foo(int x) { return x + foo_int; }
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#--- boo.c
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extern int foo(int x);
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__attribute__((retain)) int boo(int x) { return foo(x); }
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#--- moo.c
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__attribute__((retain)) int moo() { return 3; }
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#--- loo.c
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extern int moo(int x);
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__attribute__((retain)) int loo(int x) { return moo(x); }
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#--- voo.c
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extern int foo(int x);
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extern int loo(int x);
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__attribute__((retain)) int voo(int x) { return foo(x) + loo(x + 1) + 7; }
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#--- main.c
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extern int boo(int x);
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extern int moo();
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extern int voo(int x);
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__attribute__((retain)) int main(int argc, char** argv) {
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return boo(argc) + moo() + voo(argc + 3);
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}
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