derek.holloway
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72 lines
2.5 KiB
Plaintext
72 lines
2.5 KiB
Plaintext
REQUIRES: x86
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## Test that the LLD options /lldsavetemps and -thinlto-emit-imports-files
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## function correctly with DTLTO we also check that index files
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## (-thinlto-emit-index-files) are not emitted with DTLTO.
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RUN: rm -rf %t && split-file %s %t && cd %t
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RUN: sed 's/@t1/@t2/g' t1.ll > t2.ll
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## Generate ThinLTO bitcode files. Note that t3.bc will not be used by the
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## linker.
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RUN: opt -thinlto-bc t1.ll -o t1.bc
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RUN: opt -thinlto-bc t2.ll -o t2.bc
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RUN: cp t1.bc t3.bc
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## Generate object files for mock.py to return.
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RUN: llc t1.ll --filetype=obj -o t1.obj
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RUN: llc t2.ll --filetype=obj -o t2.obj
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## Create response file containing shared ThinLTO linker arguments.
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## -start-lib/-end-lib is used to test the special case where unused lazy
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## bitcode inputs result in empty index/imports files.
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## Note that mock.py does not do any compilation; instead, it simply writes
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## the contents of the object files supplied on the command line into the
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## output object files in job order.
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RUN: echo "/entry:t1 /subsystem:console \
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RUN: t1.bc t2.bc -start-lib t3.bc -end-lib /out:my.exe \
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RUN: -thinlto-distributor:\"%python\" \
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RUN: -thinlto-distributor-arg:\"%llvm_src_root/utils/dtlto/mock.py\" \
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RUN: -thinlto-distributor-arg:t1.obj \
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RUN: -thinlto-distributor-arg:t2.obj \
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RUN: -thinlto-remote-compiler:fake.exe" > l.rsp
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## Check that without extra flags, no index/imports files are produced and
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## backend temp files are removed.
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RUN: lld-link @l.rsp
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RUN: ls | FileCheck %s \
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RUN: --check-prefixes=NOBACKEND,NOOTHERS
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## Check that with /lldsavetemps and -thinlto-emit-imports-files backend
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## tempoary files are retained and no index/imports files are produced.
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RUN: rm -f *.imports *.thinlto.bc
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RUN: lld-link @l.rsp /lldsavetemps -thinlto-emit-imports-files
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RUN: ls | sort | FileCheck %s \
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RUN: --check-prefixes=BACKEND,NOOTHERS
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## JSON jobs description, retained with --save-temps.
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## Note that DTLTO temporary files include a PID component.
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NOBACKEND-NOT: {{^}}my.[[#]].dist-file.json{{$}}
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BACKEND: {{^}}my.[[#]].dist-file.json{{$}}
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## Index/imports files for t1.bc.
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NOOTHERS-NOT: {{^}}t1.bc.imports{{$}}
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NOOTHERS-NOT: {{^}}t1.bc.thinlto.bc{{$}}
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## Index/imports files for t2.bc.
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NOOTHERS-NOT: {{^}}t2.bc.imports{{$}}
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NOOTHERS-NOT: {{^}}t2.bc.thinlto.bc{{$}}
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## Empty index/imports files for unused t3.bc.
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NOOTHERS-NOT: {{^}}t3.bc.imports{{$}}
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NOOTHERS-NOT: {{^}}t3.bc.thinlto.bc{{$}}
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#--- t1.ll
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target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-windows-msvc"
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define void @t1() {
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ret void
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}
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