Index: test/tools/gold/X86/v1.12/Inputs/thinlto_emit_linked_objects.ll =================================================================== --- /dev/null +++ test/tools/gold/X86/v1.12/Inputs/thinlto_emit_linked_objects.ll @@ -0,0 +1,7 @@ +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-unknown-linux-gnu" + +define void @foo() { +entry: + ret void +} Index: test/tools/gold/X86/v1.12/lit.local.cfg =================================================================== --- /dev/null +++ test/tools/gold/X86/v1.12/lit.local.cfg @@ -0,0 +1,25 @@ +import re +import subprocess + +def is_gold_v1_12_linker_available(): + + if not config.gold_executable: + return False + try: + ld_cmd = subprocess.Popen([config.gold_executable, '-v'], stdout = subprocess.PIPE) + ld_out = ld_cmd.stdout.read().decode() + ld_cmd.wait() + except: + return False + + match = re.search(r'GNU gold \(.*\) (\d+.\d+)$', ld_out) + if not match: + return False + version = float(match.group(1)) + if version < 1.12: + return False + + return True + +if not is_gold_v1_12_linker_available(): + config.unsupported = True Index: test/tools/gold/X86/v1.12/thinlto_emit_linked_objects.ll =================================================================== --- /dev/null +++ test/tools/gold/X86/v1.12/thinlto_emit_linked_objects.ll @@ -0,0 +1,29 @@ +; First generate bitcode with a module summary index for each file +; RUN: opt -module-summary %s -o %t.o +; RUN: opt -module-summary %p/Inputs/thinlto_emit_linked_objects.ll -o %t2.o + +; Next do the ThinLink step, specifying thinlto-index-only so that the gold +; plugin exits after generating individual indexes. The objects the linker +; decided to include in the link should be emitted into the file specified +; after 'thinlto-index-only='. In this version of the test, only %t.o will +; be included in the link, and not %t2.o since it is within +; a library (--start-lib/--end-lib pair) and not strongly referenced. +; Note that the support for detecting this is in gold v1.12. +; RUN: %gold -plugin %llvmshlibdir/LLVMgold.so \ +; RUN: --plugin-opt=thinlto \ +; RUN: --plugin-opt=thinlto-index-only=%t3 \ +; RUN: -o %t4 \ +; RUN: %t.o \ +; RUN: --start-lib %t2.o --end-lib + +; RUN: cat %t3 | FileCheck %s +; CHECK: thinlto_emit_linked_objects.ll.tmp.o +; CHECK-NOT: thinlto_emit_linked_objects.ll.tmp2.o + +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-unknown-linux-gnu" + +define i32 @main() { +entry: + ret i32 0 +}