diff options
Diffstat (limited to 'llvm/test/ThinLTO/X86/alias_import.ll')
| -rw-r--r-- | llvm/test/ThinLTO/X86/alias_import.ll | 68 |
1 files changed, 13 insertions, 55 deletions
diff --git a/llvm/test/ThinLTO/X86/alias_import.ll b/llvm/test/ThinLTO/X86/alias_import.ll index f2edf513407..fdfd90d03ad 100644 --- a/llvm/test/ThinLTO/X86/alias_import.ll +++ b/llvm/test/ThinLTO/X86/alias_import.ll @@ -2,13 +2,11 @@ ; 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) +; Alias can't point to "available_externally", so they cannot be imported for +; now. This could be implemented by importing the alias as an +; available_externally definition copied from the aliasee's body. ; 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 (...)*) @@ -34,16 +32,12 @@ ; 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() @@ -51,13 +45,12 @@ ; 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) +; On the import side now, verify that aliases are not imported ; 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() +; IMPORT-DAG: declare void @linkonceODRfuncLinkonceAlias +; IMPORT-DAG: declare void @linkonceODRfuncAlias +; IMPORT-DAG: declare void @linkonceODRfuncWeakODRAlias +; IMPORT-DAG: declare void @linkonceODRfuncLinkonceODRAlias ; On the import side, these aliases are not imported (they don't point to a linkonce_odr) @@ -86,46 +79,11 @@ ; 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() +; IMPORT-DAG: declare void @linkonceODRfuncAlias() +; IMPORT-DAG: declare void @linkonceODRfuncWeakAlias() +; IMPORT-DAG: declare void @linkonceODRfuncWeakODRAlias() +; IMPORT-DAG: declare void @linkonceODRfuncLinkonceAlias() +; IMPORT-DAG: declare void @linkonceODRfuncLinkonceODRAlias() define i32 @main() #0 { entry: |
