| ; RUN: opt -module-summary %s -o %t1.bc |
| ; RUN: opt -module-summary %p/Inputs/alias_import.ll -o %t2.bc |
| ; RUN: llvm-lto -thinlto-action=thinlink -o %t.index.bc %t1.bc %t2.bc |
| ; RUN: llvm-lto -thinlto-action=promote -thinlto-index %t.index.bc %t2.bc -o - | llvm-dis -o - | FileCheck %s --check-prefix=PROMOTE |
| ; RUN: llvm-lto -thinlto-action=promote -thinlto-index %t.index.bc %t2.bc -o - | llvm-lto -thinlto-action=internalize -thinlto-index %t.index.bc -thinlto-module-id=%t2.bc - -o - | llvm-dis -o - | FileCheck %s --check-prefix=PROMOTE-INTERNALIZE |
| ; RUN: llvm-lto -thinlto-action=import -thinlto-index %t.index.bc %t1.bc -o - | llvm-dis -o - | FileCheck %s --check-prefix=IMPORT |
| |
| ; |
| ; Alias can't point to "available_externally", so we can only import an alias |
| ; when we can import the aliasee with a linkage that won't be |
| ; available_externally, i.e linkOnceODR. (FIXME this limitation could be lifted) |
| ; PROMOTE-DAG: @globalfuncAlias = alias void (...), bitcast (void ()* @globalfunc to void (...)*) |
| ; PROMOTE-DAG: @globalfuncWeakAlias = weak alias void (...), bitcast (void ()* @globalfunc to void (...)*) |
| ; PROMOTE-DAG: @globalfuncLinkonceAlias = weak alias void (...), bitcast (void ()* @globalfunc to void (...)*) |
| ; PROMOTE-DAG: @globalfuncWeakODRAlias = weak_odr alias void (...), bitcast (void ()* @globalfunc to void (...)*) |
| ; PROMOTE-DAG: @globalfuncLinkonceODRAlias = weak_odr alias void (...), bitcast (void ()* @globalfunc to void (...)*) |
| ; PROMOTE-DAG: @internalfuncAlias = alias void (...), bitcast (void ()* @internalfunc to void (...)*) |
| ; PROMOTE-DAG: @internalfuncWeakAlias = weak alias void (...), bitcast (void ()* @internalfunc to void (...)*) |
| ; PROMOTE-DAG: @internalfuncLinkonceAlias = weak alias void (...), bitcast (void ()* @internalfunc to void (...)*) |
| ; PROMOTE-DAG: @internalfuncWeakODRAlias = weak_odr alias void (...), bitcast (void ()* @internalfunc to void (...)*) |
| ; PROMOTE-DAG: @internalfuncLinkonceODRAlias = weak_odr alias void (...), bitcast (void ()* @internalfunc to void (...)*) |
| ; PROMOTE-DAG: @linkoncefuncAlias = alias void (...), bitcast (void ()* @linkoncefunc to void (...)*) |
| ; PROMOTE-DAG: @linkoncefuncWeakAlias = weak alias void (...), bitcast (void ()* @linkoncefunc to void (...)*) |
| ; PROMOTE-DAG: @linkoncefuncLinkonceAlias = weak alias void (...), bitcast (void ()* @linkoncefunc to void (...)*) |
| ; PROMOTE-DAG: @linkoncefuncWeakODRAlias = weak_odr alias void (...), bitcast (void ()* @linkoncefunc to void (...)*) |
| ; PROMOTE-DAG: @linkoncefuncLinkonceODRAlias = weak_odr alias void (...), bitcast (void ()* @linkoncefunc to void (...)*) |
| ; PROMOTE-DAG: @weakfuncAlias = alias void (...), bitcast (void ()* @weakfunc to void (...)*) |
| ; PROMOTE-DAG: @weakfuncWeakAlias = weak alias void (...), bitcast (void ()* @weakfunc to void (...)*) |
| ; PROMOTE-DAG: @weakfuncLinkonceAlias = weak alias void (...), bitcast (void ()* @weakfunc to void (...)*) |
| ; PROMOTE-DAG: @weakfuncWeakODRAlias = weak_odr alias void (...), bitcast (void ()* @weakfunc to void (...)*) |
| ; PROMOTE-DAG: @weakfuncLinkonceODRAlias = weak_odr alias void (...), bitcast (void ()* @weakfunc to void (...)*) |
| ; PROMOTE-DAG: @weakODRfuncAlias = alias void (...), bitcast (void ()* @weakODRfunc to void (...)*) |
| ; PROMOTE-DAG: @weakODRfuncWeakAlias = weak alias void (...), bitcast (void ()* @weakODRfunc to void (...)*) |
| ; PROMOTE-DAG: @weakODRfuncLinkonceAlias = weak alias void (...), bitcast (void ()* @weakODRfunc to void (...)*) |
| ; PROMOTE-DAG: @weakODRfuncWeakODRAlias = weak_odr alias void (...), bitcast (void ()* @weakODRfunc to void (...)*) |
| ; PROMOTE-DAG: @weakODRfuncLinkonceODRAlias = weak_odr alias void (...), bitcast (void ()* @weakODRfunc to void (...)*) |
| |
| ; Only alias to LinkonceODR aliasee can be imported |
| ; PROMOTE-DAG: @linkonceODRfuncAlias = alias void (...), bitcast (void ()* @linkonceODRfunc to void (...)*) |
| ; PROMOTE-DAG: @linkonceODRfuncWeakAlias = weak alias void (...), bitcast (void ()* @linkonceODRfunc to void (...)*) |
| ; PROMOTE-DAG: @linkonceODRfuncWeakODRAlias = weak_odr alias void (...), bitcast (void ()* @linkonceODRfunc to void (...)*) |
| ; Amongst these that are imported, check that we promote only linkonce->weak |
| ; PROMOTE-DAG: @linkonceODRfuncLinkonceAlias = weak alias void (...), bitcast (void ()* @linkonceODRfunc to void (...)*) |
| ; PROMOTE-DAG: @linkonceODRfuncLinkonceODRAlias = weak_odr alias void (...), bitcast (void ()* @linkonceODRfunc to void (...)*) |
| |
| ; These will be imported, check the linkage/renaming after promotion |
| ; PROMOTE-DAG: define void @globalfunc() |
| ; PROMOTE-DAG: define internal void @internalfunc() |
| ; PROMOTE-DAG: define weak_odr void @linkonceODRfunc() |
| ; PROMOTE-DAG: define weak_odr void @weakODRfunc() |
| ; PROMOTE-DAG: define weak void @linkoncefunc() |
| ; PROMOTE-DAG: define weak void @weakfunc() |
| |
| ; On the import side now, verify that aliases to a linkonce_odr are imported, but the weak/linkonce (we can't inline them) |
| ; IMPORT-DAG: declare void @linkonceODRfuncWeakAlias |
| ; IMPORT-DAG: declare void @linkonceODRfuncLinkonceAlias |
| ; IMPORT-DAG: @linkonceODRfuncAlias = alias void (...), bitcast (void ()* @linkonceODRfunc to void (...)*) |
| ; IMPORT-DAG: @linkonceODRfuncWeakODRAlias = alias void (...), bitcast (void ()* @linkonceODRfunc to void (...)*) |
| ; IMPORT-DAG: @linkonceODRfuncLinkonceODRAlias = linkonce_odr alias void (...), bitcast (void ()* @linkonceODRfunc to void (...)*) |
| ; IMPORT-DAG: define linkonce_odr void @linkonceODRfunc() |
| |
| |
| ; On the import side, these aliases are not imported (they don't point to a linkonce_odr) |
| ; IMPORT-DAG: declare void @globalfuncAlias() |
| ; IMPORT-DAG: declare void @globalfuncWeakAlias() |
| ; IMPORT-DAG: declare void @globalfuncLinkonceAlias() |
| ; IMPORT-DAG: declare void @globalfuncWeakODRAlias() |
| ; IMPORT-DAG: declare void @globalfuncLinkonceODRAlias() |
| ; IMPORT-DAG: declare void @internalfuncAlias() |
| ; IMPORT-DAG: declare void @internalfuncWeakAlias() |
| ; IMPORT-DAG: declare void @internalfuncLinkonceAlias() |
| ; IMPORT-DAG: declare void @internalfuncWeakODRAlias() |
| ; IMPORT-DAG: declare void @internalfuncLinkonceODRAlias() |
| ; IMPORT-DAG: declare void @weakODRfuncAlias() |
| ; IMPORT-DAG: declare void @weakODRfuncWeakAlias() |
| ; IMPORT-DAG: declare void @weakODRfuncLinkonceAlias() |
| ; IMPORT-DAG: declare void @weakODRfuncWeakODRAlias() |
| ; IMPORT-DAG: declare void @weakODRfuncLinkonceODRAlias() |
| ; IMPORT-DAG: declare void @linkoncefuncAlias() |
| ; IMPORT-DAG: declare void @linkoncefuncWeakAlias() |
| ; IMPORT-DAG: declare void @linkoncefuncLinkonceAlias() |
| ; IMPORT-DAG: declare void @linkoncefuncWeakODRAlias() |
| ; IMPORT-DAG: declare void @linkoncefuncLinkonceODRAlias() |
| ; IMPORT-DAG: declare void @weakfuncAlias() |
| ; IMPORT-DAG: declare void @weakfuncWeakAlias() |
| ; IMPORT-DAG: declare void @weakfuncLinkonceAlias() |
| ; IMPORT-DAG: declare void @weakfuncWeakODRAlias() |
| ; IMPORT-DAG: declare void @weakfuncLinkonceODRAlias() |
| |
| ; Promotion + internalization should internalize all of these, except for aliases of |
| ; linkonce_odr functions, because alias to linkonce_odr are the only aliases we will |
| ; import (see selectCallee() in FunctionImport.cpp). |
| ; PROMOTE-INTERNALIZE-DAG: @globalfuncAlias = internal alias void (...), bitcast (void ()* @globalfunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @globalfuncWeakAlias = internal alias void (...), bitcast (void ()* @globalfunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @globalfuncLinkonceAlias = internal alias void (...), bitcast (void ()* @globalfunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @globalfuncWeakODRAlias = internal alias void (...), bitcast (void ()* @globalfunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @globalfuncLinkonceODRAlias = internal alias void (...), bitcast (void ()* @globalfunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @internalfuncAlias = internal alias void (...), bitcast (void ()* @internalfunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @internalfuncWeakAlias = internal alias void (...), bitcast (void ()* @internalfunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @internalfuncLinkonceAlias = internal alias void (...), bitcast (void ()* @internalfunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @internalfuncWeakODRAlias = internal alias void (...), bitcast (void ()* @internalfunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @internalfuncLinkonceODRAlias = internal alias void (...), bitcast (void ()* @internalfunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @linkonceODRfuncAlias = alias void (...), bitcast (void ()* @linkonceODRfunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @linkonceODRfuncWeakAlias = internal alias void (...), bitcast (void ()* @linkonceODRfunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @linkonceODRfuncLinkonceAlias = internal alias void (...), bitcast (void ()* @linkonceODRfunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @linkonceODRfuncWeakODRAlias = weak_odr alias void (...), bitcast (void ()* @linkonceODRfunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @linkonceODRfuncLinkonceODRAlias = weak_odr alias void (...), bitcast (void ()* @linkonceODRfunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @weakODRfuncAlias = internal alias void (...), bitcast (void ()* @weakODRfunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @weakODRfuncWeakAlias = internal alias void (...), bitcast (void ()* @weakODRfunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @weakODRfuncLinkonceAlias = internal alias void (...), bitcast (void ()* @weakODRfunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @weakODRfuncWeakODRAlias = internal alias void (...), bitcast (void ()* @weakODRfunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @weakODRfuncLinkonceODRAlias = internal alias void (...), bitcast (void ()* @weakODRfunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @linkoncefuncAlias = internal alias void (...), bitcast (void ()* @linkoncefunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @linkoncefuncWeakAlias = internal alias void (...), bitcast (void ()* @linkoncefunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @linkoncefuncLinkonceAlias = internal alias void (...), bitcast (void ()* @linkoncefunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @linkoncefuncWeakODRAlias = internal alias void (...), bitcast (void ()* @linkoncefunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @linkoncefuncLinkonceODRAlias = internal alias void (...), bitcast (void ()* @linkoncefunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @weakfuncAlias = internal alias void (...), bitcast (void ()* @weakfunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @weakfuncWeakAlias = internal alias void (...), bitcast (void ()* @weakfunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @weakfuncLinkonceAlias = internal alias void (...), bitcast (void ()* @weakfunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @weakfuncWeakODRAlias = internal alias void (...), bitcast (void ()* @weakfunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: @weakfuncLinkonceODRAlias = internal alias void (...), bitcast (void ()* @weakfunc to void (...)*) |
| ; PROMOTE-INTERNALIZE-DAG: define internal void @globalfunc() |
| ; PROMOTE-INTERNALIZE-DAG: define internal void @internalfunc() |
| ; PROMOTE-INTERNALIZE-DAG: define internal void @linkonceODRfunc() |
| ; PROMOTE-INTERNALIZE-DAG: define internal void @weakODRfunc() |
| ; PROMOTE-INTERNALIZE-DAG: define internal void @linkoncefunc() |
| ; PROMOTE-INTERNALIZE-DAG: define internal void @weakfunc() |
| |
| define i32 @main() #0 { |
| entry: |
| call void @globalfuncAlias() |
| call void @globalfuncWeakAlias() |
| call void @globalfuncLinkonceAlias() |
| call void @globalfuncWeakODRAlias() |
| call void @globalfuncLinkonceODRAlias() |
| |
| call void @internalfuncAlias() |
| call void @internalfuncWeakAlias() |
| call void @internalfuncLinkonceAlias() |
| call void @internalfuncWeakODRAlias() |
| call void @internalfuncLinkonceODRAlias() |
| call void @linkonceODRfuncAlias() |
| call void @linkonceODRfuncWeakAlias() |
| call void @linkonceODRfuncLinkonceAlias() |
| call void @linkonceODRfuncWeakODRAlias() |
| call void @linkonceODRfuncLinkonceODRAlias() |
| |
| call void @weakODRfuncAlias() |
| call void @weakODRfuncWeakAlias() |
| call void @weakODRfuncLinkonceAlias() |
| call void @weakODRfuncWeakODRAlias() |
| call void @weakODRfuncLinkonceODRAlias() |
| |
| call void @linkoncefuncAlias() |
| call void @linkoncefuncWeakAlias() |
| call void @linkoncefuncLinkonceAlias() |
| call void @linkoncefuncWeakODRAlias() |
| call void @linkoncefuncLinkonceODRAlias() |
| |
| call void @weakfuncAlias() |
| call void @weakfuncWeakAlias() |
| call void @weakfuncLinkonceAlias() |
| call void @weakfuncWeakODRAlias() |
| call void @weakfuncLinkonceODRAlias() |
| |
| ret i32 0 |
| } |
| |
| |
| declare void @globalfuncAlias() |
| declare void @globalfuncWeakAlias() |
| declare void @globalfuncLinkonceAlias() |
| declare void @globalfuncWeakODRAlias() |
| declare void @globalfuncLinkonceODRAlias() |
| |
| declare void @internalfuncAlias() |
| declare void @internalfuncWeakAlias() |
| declare void @internalfuncLinkonceAlias() |
| declare void @internalfuncWeakODRAlias() |
| declare void @internalfuncLinkonceODRAlias() |
| |
| declare void @linkonceODRfuncAlias() |
| declare void @linkonceODRfuncWeakAlias() |
| declare void @linkonceODRfuncLinkonceAlias() |
| declare void @linkonceODRfuncWeakODRAlias() |
| declare void @linkonceODRfuncLinkonceODRAlias() |
| |
| declare void @weakODRfuncAlias() |
| declare void @weakODRfuncWeakAlias() |
| declare void @weakODRfuncLinkonceAlias() |
| declare void @weakODRfuncWeakODRAlias() |
| declare void @weakODRfuncLinkonceODRAlias() |
| |
| declare void @linkoncefuncAlias() |
| declare void @linkoncefuncWeakAlias() |
| declare void @linkoncefuncLinkonceAlias() |
| declare void @linkoncefuncWeakODRAlias() |
| declare void @linkoncefuncLinkonceODRAlias() |
| |
| declare void @weakfuncAlias() |
| declare void @weakfuncWeakAlias() |
| declare void @weakfuncLinkonceAlias() |
| declare void @weakfuncWeakODRAlias() |
| declare void @weakfuncLinkonceODRAlias() |
| |
| |