From 676fbe8105eeb6ff4bb2ed261cb212fcfdbe7b63 Mon Sep 17 00:00:00 2001 From: Dimitry Andric Date: Sat, 19 Jan 2019 10:04:05 +0000 Subject: Vendor import of clang trunk r351319 (just before the release_80 branch point): https://llvm.org/svn/llvm-project/cfe/trunk@351319 --- .../CodeGen/thinlto_backend_local_name_conflict.ll | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 test/CodeGen/thinlto_backend_local_name_conflict.ll (limited to 'test/CodeGen/thinlto_backend_local_name_conflict.ll') diff --git a/test/CodeGen/thinlto_backend_local_name_conflict.ll b/test/CodeGen/thinlto_backend_local_name_conflict.ll new file mode 100644 index 000000000000..cefbc51bf05c --- /dev/null +++ b/test/CodeGen/thinlto_backend_local_name_conflict.ll @@ -0,0 +1,36 @@ +; Test handling when two files with the same source file name contain +; static read only variables with the same name (which will have the same GUID +; in the combined index). + +; REQUIRES: x86-registered-target + +; Do setup work for all below tests: generate bitcode and combined index +; RUN: opt -module-summary -module-hash %s -o %t.bc +; RUN: opt -module-summary -module-hash %p/Inputs/thinlto_backend_local_name_conflict1.ll -o %t2.bc +; RUN: opt -module-summary -module-hash %p/Inputs/thinlto_backend_local_name_conflict2.ll -o %t3.bc +; RUN: llvm-lto -thinlto-action=thinlink -o %t4.bc %t.bc %t2.bc %t3.bc +; RUN: llvm-lto -thinlto-action=distributedindexes -exported-symbol=main -thinlto-index=%t4.bc %t.bc + +; This module will import a() and b() which should cause the read only copy +; of baz from each of those modules to be imported. Check that the both are +; imported as local copies. +; RUN: %clang -target x86_64-unknown-linux-gnu -O2 -o %t4.o -x ir %t.bc -c -fthinlto-index=%t.bc.thinlto.bc -save-temps=obj +; RUN: llvm-dis %t.s.3.import.bc -o - | FileCheck --check-prefix=IMPORT %s +; IMPORT: @baz.llvm.{{.*}} = internal global i32 10 +; IMPORT: @baz.llvm.{{.*}} = internal global i32 10 + +; ModuleID = 'local_name_conflict_var_main.o' +source_filename = "local_name_conflict_var_main.c" +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-unknown-linux-gnu" + +; Function Attrs: noinline nounwind uwtable +define i32 @main() { +entry: + %call1 = call i32 (...) @a() + %call2 = call i32 (...) @b() + ret i32 0 +} + +declare i32 @a(...) +declare i32 @b(...) -- cgit v1.3