llvm-project

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; REQUIRES: x86, non-root-user
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; RUN: rm -rf %t; split-file %s %t
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; Generate summary sections and test lld handling.
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; RUN: opt -module-summary %t/f.ll -o %t1.o
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; RUN: opt -module-summary %t/g.ll -o %t2.o
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; Include a file with an empty module summary index, to ensure that the expected
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; output files are created regardless, for a distributed build system.
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; RUN: opt -module-summary %t/empty.ll -o %t3.o
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; Ensure lld generates imports files if requested for distributed backends.
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; RUN: rm -f %t3.o.imports %t3.o.thinlto.bc
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; RUN: %lld --thinlto-index-only --thinlto-emit-imports-files -dylib %t1.o %t2.o %t3.o -o %t4
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; The imports file for this module contains the bitcode file for %t/g.ll
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; RUN: count 1 < %t1.o.imports
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; RUN: FileCheck %s --check-prefix=IMPORTS1 < %t1.o.imports
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; IMPORTS1: thinlto-emit-imports.ll.tmp2.o
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; The imports file for g.ll is empty as it does not import anything.
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; RUN: count 0 < %t2.o.imports
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; The imports file for empty.ll is empty but should exist.
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; RUN: count 0 < %t3.o.imports
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; The index file should be created even for the input with an empty summary.
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; RUN: ls %t3.o.thinlto.bc
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; Ensure lld generates error if unable to write to imports file.
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; RUN: rm -f %t3.o.imports
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; RUN: touch %t3.o.imports
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; RUN: chmod 400 %t3.o.imports
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; RUN: not %lld --thinlto-index-only --thinlto-emit-imports-files -dylib %t1.o %t2.o %t3.o -o /dev/null 2>&1 \
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; RUN:     | FileCheck -DMSG=%errc_EACCES %s --check-prefix=ERR
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; ERR: cannot open {{.*}}3.o.imports: [[MSG]]
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; Ensure lld doesn't generate import files when thinlto-index-only is not enabled
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; RUN: rm -f %t1.o.imports
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; RUN: rm -f %t2.o.imports
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; RUN: rm -f %t3.o.imports
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; RUN: %lld --thinlto-emit-imports-files -dylib %t1.o %t2.o %t3.o -o %t4
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; RUN: not ls %t1.o.imports
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; RUN: not ls %t2.o.imports
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; RUN: not ls %t3.o.imports
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;--- f.ll
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target datalayout = "e-m:o-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-apple-darwin"
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declare void @g(...)
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define void @f() {
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entry:
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  call void (...) @g()
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  ret void
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}
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;--- g.ll
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target datalayout = "e-m:o-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-apple-darwin"
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define void @g() {
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entry:
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  ret void
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}
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;--- empty.ll
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target datalayout = "e-m:o-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-apple-darwin"
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