1; RUN: rm -f ptr.o.thinlto.bc 2; RUN: rm -f ptr.o.imports 3 4; First generate bitcode with a module summary index for each file 5; RUN: opt -module-summary %s -o %t1.o 6; RUN: opt -module-summary %p/Inputs/thinlto_emit_linked_objects2.ll -o %t2.o 7; RUN: opt %p/Inputs/thinlto_emit_linked_objects3.ll -o %t3.o 8 9; Next do the ThinLink step, specifying thinlto-index-only so that the gold 10; plugin exits after generating individual indexes. The objects the linker 11; decided to include in the link should be emitted into the file specified 12; after 'thinlto-index-only='. In this version of the test, only %t1.o will 13; be included in the link, and not %t2.o since it is within 14; a library (--start-lib/--end-lib pair) and not strongly referenced. 15; Note that the support for detecting this is in gold v1.12. 16; RUN: %gold -plugin %llvmshlibdir/LLVMgold%shlibext \ 17; RUN: --plugin-opt=thinlto \ 18; RUN: --plugin-opt=thinlto-index-only=%t.index \ 19; RUN: --plugin-opt=thinlto-emit-imports-files \ 20; RUN: -m elf_x86_64 \ 21; RUN: -o %t4 \ 22; RUN: %t1.o %t3.o \ 23; RUN: --start-lib %t2.o --end-lib 24 25; Ensure that the expected output files are created, even for the file 26; the linker decided not to include in the link. 27; RUN: ls %t1.o.thinlto.bc 28; RUN: ls %t2.o.thinlto.bc 29; RUN: ls %t3.o.thinlto.bc 30; RUN: ls %t1.o.imports 31; RUN: ls %t2.o.imports 32; RUN: ls %t3.o.imports 33 34; Regular *thinlto.bc file. "SkipModuleByDistributedBackend" flag (0x2) 35; should not be set. 36; RUN: llvm-bcanalyzer --dump %t1.o.thinlto.bc | FileCheck %s -check-prefixes=CHECK-BC1 37; CHECK-BC1: <GLOBALVAL_SUMMARY_BLOCK 38; CHECK-BC1: <FLAGS op0=[[#]]/> 39; CHECK-BC1: </GLOBALVAL_SUMMARY_BLOCK 40 41; Nothing interesting in the corresponding object file, so 42; "SkipModuleByDistributedBackend" flag (0x2) should be set. 43; RUN: llvm-bcanalyzer --dump %t2.o.thinlto.bc | FileCheck %s -check-prefixes=CHECK-BC2 44; CHECK-BC2: <GLOBALVAL_SUMMARY_BLOCK 45; CHECK-BC2: <FLAGS op0=2/> 46; CHECK-BC2: </GLOBALVAL_SUMMARY_BLOCK 47 48; Empty as the corresponding object file is not ThinTLO. 49; RUN: not llvm-bcanalyzer --dump %t3.o.thinlto.bc 2>&1 | FileCheck %s -check-prefixes=CHECK-BC3 50; CHECK-BC3: Unexpected end of file 51 52; RUN: cat %t.index | FileCheck %s 53; CHECK: thinlto_emit_linked_objects.ll.tmp1.o 54; CHECK-NOT: thinlto_emit_linked_objects.ll.tmp2.o 55; CHECK-NOT: thinlto_emit_linked_objects.ll.tmp3.o 56 57target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 58target triple = "x86_64-unknown-linux-gnu" 59 60define i32 @main() { 61entry: 62 ret i32 0 63} 64