; REQUIRES: x86 ; RUN: rm -rf %t; split-file %s %t ;; Mostly copied/updated from thinlto-index-only.ll ;; First ensure that the ThinLTO handling in lld handles ;; bitcode without summary sections gracefully and generates index file. ; RUN: llvm-as %t/f.ll -o %t/1.o ; RUN: llvm-as %t/g.ll -o %t/2.o ; RUN: %lld --thinlto-emit-index-files -dylib %t/1.o %t/2.o -o %t/3 ; RUN: ls %t/2.o.thinlto.bc ; RUN: ls %t/3 ; RUN: %lld -dylib %t/1.o %t/2.o -o %t/3 ; RUN: llvm-nm %t/3 | FileCheck %s --check-prefix=NM ;; Basic ThinLTO tests. ; RUN: opt -module-summary %t/f.ll -o %t/1.o ; RUN: opt -module-summary %t/g.ll -o %t/2.o ; RUN: opt -module-summary %t/empty.ll -o %t/3.o ;; Ensure lld generates an index and also a binary if requested. ; RUN: %lld --thinlto-emit-index-files -dylib %t/1.o %t/2.o -o %t/4 ; RUN: llvm-bcanalyzer -dump %t/1.o.thinlto.bc | FileCheck %s -DP1=%t/1.o -DP2=%t/2.o --check-prefix=BACKEND1 ; RUN: llvm-bcanalyzer -dump %t/2.o.thinlto.bc | FileCheck %s -DP2=%t/2.o --check-prefix=BACKEND2 ; RUN: ls %t/4 ;; Ensure lld generates an index and not a binary if both emit-index and index-only are present. ; RUN: %lld --thinlto-emit-index-files --thinlto-index-only -dylib %t/1.o %t/2.o -o %t/5 ; RUN: not ls %t/5 ;; Ensure lld generates an index even if the file is wrapped in --start-lib/--end-lib ; RUN: rm -f %t/2.o.thinlto.bc ; RUN: %lld --thinlto-emit-index-files -dylib %t/1.o %t/3.o --start-lib %t/2.o --end-lib -o %t/6 ; RUN: llvm-dis < %t/2.o.thinlto.bc | grep -q '\^0 = module:' ; RUN: ls %t/6 ;; Test that LLD generates an empty index even for lazy object file that is not added to link. ;; Test that LLD also generates empty imports file with the --thinlto-emit-imports-files option. ; RUN: rm -f %t/1.o.thinlto.bc %t/1.o.imports ; RUN: %lld --thinlto-emit-index-files -dylib %t/2.o --start-lib %t/1.o --end-lib \ ; RUN: --thinlto-emit-imports-files -o %t/7 ; RUN: ls %t/7 ; RUN: ls %t/1.o.thinlto.bc ; RUN: ls %t/1.o.imports ;; Ensure LLD generates an empty index for each bitcode file even if all bitcode files are lazy. ; RUN: rm -f %t/dummy.o %t/1.o.thinlto.bc ; RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin /dev/null -o %t/dummy.o ; RUN: %lld --thinlto-emit-index-files -dylib %t/dummy.o --start-lib %t/1.o --end-lib -o %t/8 ; RUN: ls %t/8 ; RUN: ls %t/1.o.thinlto.bc ;; Test that LLD errors out when run with suffix replacement, or prefix replacement ; RUN: not %lld --thinlto-emit-index-files -dylib %t/2.o --start-lib %t/1.o --end-lib \ ; RUN: --thinlto-prefix-replace="abc;xyz" 2>&1 | FileCheck %s --check-prefix=ERR1 ; ERR1: --thinlto-prefix-replace is not supported with --thinlto-emit-index-files ; RUN: not %lld --thinlto-emit-index-files -dylib %t/2.o --start-lib %t/1.o --end-lib \ ; RUN: --thinlto-object-suffix-replace="abc;xyz" 2>&1 | FileCheck %s --check-prefix=ERR2 ; ERR2: --thinlto-object-suffix-replace is not supported with --thinlto-emit-index-files ;; But not when passed with index only as well ; RUN: %lld --thinlto-emit-index-files -dylib %t/2.o --start-lib %t/1.o --end-lib \ ; RUN: --thinlto-prefix-replace="abc;xyz" --thinlto-index-only ; RUN: %lld --thinlto-emit-index-files -dylib %t/2.o --start-lib %t/1.o --end-lib \ ; RUN: --thinlto-object-suffix-replace="abc;xyz" --thinlto-index-only ; NM: T _f ;; The backend index for this module contains summaries from itself and ;; Inputs/thinlto.ll, as it imports from the latter. ; BACKEND1: