| ; Test to ensure that comdat is renamed consistently when comdat leader is | |
| ; promoted and renamed due to an import. Required by COFF. | |
| ; REQUIRES: x86-registered-target | |
| ; RUN: opt -thinlto-bc -o %t1.bc %s | |
| ; RUN: opt -thinlto-bc -o %t2.bc %S/Inputs/comdat.ll | |
| ; RUN: llvm-lto2 run -save-temps -o %t3 %t1.bc %t2.bc \ | |
| ; RUN: -r %t1.bc,lwt_fun,plx \ | |
| ; RUN: -r %t2.bc,main,plx \ | |
| ; RUN: -r %t2.bc,lwt_fun, | |
| ; RUN: llvm-dis -o - %t3.1.3.import.bc | FileCheck %s | |
| target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" | |
| target triple = "x86_64-pc-windows-msvc19.0.24215" | |
| ; CHECK: $lwt.llvm.[[HASH:[0-9]+]] = comdat any | |
| $lwt = comdat any | |
| ; CHECK: @lwt_aliasee = private unnamed_addr global {{.*}}, comdat($lwt.llvm.[[HASH]]) | |
| @lwt_aliasee = private unnamed_addr global [1 x i8*] [i8* null], comdat($lwt) | |
| ; CHECK: @lwt.llvm.[[HASH]] = hidden unnamed_addr alias | |
| @lwt = internal unnamed_addr alias [1 x i8*], [1 x i8*]* @lwt_aliasee | |
| ; Below function should get imported into other module, resulting in @lwt being | |
| ; promoted and renamed. | |
| define i8* @lwt_fun() { | |
| %1 = getelementptr inbounds [1 x i8*], [1 x i8*]* @lwt, i32 0, i32 0 | |
| %2 = load i8*, i8** %1 | |
| ret i8* %2 | |
| } |