| ; 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-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 |
| } |
