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1; REQUIRES: x86, non-root-user2; RUN: rm -rf %t; split-file %s %t3 4; Generate summary sections and test lld handling.5; RUN: opt -module-summary %t/f.ll -o %t1.o6; RUN: opt -module-summary %t/g.ll -o %t2.o7 8; Include a file with an empty module summary index, to ensure that the expected9; output files are created regardless, for a distributed build system.10; RUN: opt -module-summary %t/empty.ll -o %t3.o11 12; Ensure lld generates imports files if requested for distributed backends.13; RUN: rm -f %t3.o.imports %t3.o.thinlto.bc14; RUN: %lld --thinlto-index-only --thinlto-emit-imports-files -dylib %t1.o %t2.o %t3.o -o %t415 16; The imports file for this module contains the bitcode file for %t/g.ll17; RUN: count 1 < %t1.o.imports18; RUN: FileCheck %s --check-prefix=IMPORTS1 < %t1.o.imports19; IMPORTS1: thinlto-emit-imports.ll.tmp2.o20 21; The imports file for g.ll is empty as it does not import anything.22; RUN: count 0 < %t2.o.imports23 24; The imports file for empty.ll is empty but should exist.25; RUN: count 0 < %t3.o.imports26 27; The index file should be created even for the input with an empty summary.28; RUN: ls %t3.o.thinlto.bc29 30; Ensure lld generates error if unable to write to imports file.31; RUN: rm -f %t3.o.imports32; RUN: touch %t3.o.imports33; RUN: chmod 400 %t3.o.imports34; RUN: not %lld --thinlto-index-only --thinlto-emit-imports-files -dylib %t1.o %t2.o %t3.o -o /dev/null 2>&1 \35; RUN: | FileCheck -DMSG=%errc_EACCES %s --check-prefix=ERR36; ERR: 'cannot open {{.*}}3.o.imports': [[MSG]]37 38; Ensure lld doesn't generate import files when thinlto-index-only is not enabled39; RUN: rm -f %t1.o.imports40; RUN: rm -f %t2.o.imports41; RUN: rm -f %t3.o.imports42; RUN: %lld --thinlto-emit-imports-files -dylib %t1.o %t2.o %t3.o -o %t443; RUN: not ls %t1.o.imports44; RUN: not ls %t2.o.imports45; RUN: not ls %t3.o.imports46 47;--- f.ll48target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"49target triple = "x86_64-apple-darwin"50 51declare void @g(...)52 53define void @f() {54entry:55 call void (...) @g()56 ret void57}58 59;--- g.ll60target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"61target triple = "x86_64-apple-darwin"62 63define void @g() {64entry:65 ret void66}67 68;--- empty.ll69target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"70target triple = "x86_64-apple-darwin"71