1; REQUIRES: x86 2 3; Generate summary sections and test lld handling. 4; RUN: opt -module-summary %s -o %t1.o 5; RUN: opt -module-summary %p/Inputs/thinlto.ll -o %t2.o 6 7; Include a file with an empty module summary index, to ensure that the expected 8; output files are created regardless, for a distributed build system. 9; RUN: opt -module-summary %p/Inputs/thinlto_empty.ll -o %t3.o 10 11; Ensure lld generates imports files if requested for distributed backends. 12; RUN: rm -f %t3.o.imports %t3.o.thinlto.bc 13; RUN: ld.lld --plugin-opt=thinlto-index-only --plugin-opt=thinlto-emit-imports-files -shared %t1.o %t2.o %t3.o -o %t4 14 15; The imports file for this module contains the bitcode file for 16; Inputs/thinlto.ll 17; RUN: count 1 < %t1.o.imports 18; RUN: FileCheck %s --check-prefix=IMPORTS1 < %t1.o.imports 19; IMPORTS1: thinlto-emit-imports.ll.tmp2.o 20 21; The imports file for Input/thinlto.ll is empty as it does not import anything. 22; RUN: count 0 < %t2.o.imports 23 24; The imports file for Input/thinlto_empty.ll is empty but should exist. 25; RUN: count 0 < %t3.o.imports 26 27; The index file should be created even for the input with an empty summary. 28; RUN: ls %t3.o.thinlto.bc 29 30; Ensure lld generates error if unable to write to imports file. 31; RUN: rm -f %t3.o.imports 32; RUN: touch %t3.o.imports 33; RUN: chmod 400 %t3.o.imports 34; RUN: not ld.lld --plugin-opt=thinlto-index-only --plugin-opt=thinlto-emit-imports-files -shared %t1.o %t2.o %t3.o -o /dev/null 2>&1 | FileCheck %s --check-prefix=ERR 35; ERR: cannot open {{.*}}3.o.imports: {{P|p}}ermission denied 36 37; Ensure lld doesn't generate import files when thinlto-index-only is not enabled 38; RUN: rm -f %t1.o.imports 39; RUN: rm -f %t2.o.imports 40; RUN: rm -f %t3.o.imports 41; RUN: ld.lld --plugin-opt=thinlto-emit-imports-files -shared %t1.o %t2.o %t3.o -o %t4 42; RUN: not ls %t1.o.imports 43; RUN: not ls %t2.o.imports 44; RUN: not ls %t3.o.imports 45 46; Check that imports files are generated also when --thinlto-index-only 47; is specified without --plugin-opt=. 48; RUN: rm -f %t1.o.imports 49; RUN: ld.lld --thinlto-index-only --thinlto-emit-imports-files -shared %t1.o %t2.o %t3.o -o %t4 50; RUN: count 1 < %t1.o.imports 51; RUN: FileCheck %s --check-prefix=IMPORTS1 < %t1.o.imports 52 53target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 54target triple = "x86_64-unknown-linux-gnu" 55 56declare void @g(...) 57 58define void @f() { 59entry: 60 call void (...) @g() 61 ret void 62} 63