| ; Check that we import and inline virtual method with single implementation |
| ; when we're running hybrid LTO. |
| ; |
| ; RUN: opt -thinlto-bc -thinlto-split-lto-unit %s -o %t-main.bc |
| ; RUN: opt -thinlto-bc -thinlto-split-lto-unit %p/Inputs/devirt_single_hybrid_foo.ll -o %t-foo.bc |
| ; RUN: opt -thinlto-bc -thinlto-split-lto-unit %p/Inputs/devirt_single_hybrid_bar.ll -o %t-bar.bc |
| ; RUN: llvm-lto2 run -save-temps %t-main.bc %t-foo.bc %t-bar.bc -pass-remarks=. -o %t \ |
| ; RUN: -whole-program-visibility \ |
| ; RUN: -r=%t-foo.bc,_Z3fooP1A,pl \ |
| ; RUN: -r=%t-main.bc,main,plx \ |
| ; RUN: -r=%t-main.bc,_Z3barv,l \ |
| ; RUN: -r=%t-bar.bc,_Z3barv,pl \ |
| ; RUN: -r=%t-bar.bc,_Z3fooP1A, \ |
| ; RUN: -r=%t-bar.bc,_ZNK1A1fEv,pl \ |
| ; RUN: -r=%t-bar.bc,_ZTV1A,l \ |
| ; RUN: -r=%t-bar.bc,_ZTVN10__cxxabiv117__class_type_infoE, \ |
| ; RUN: -r=%t-bar.bc,_ZTS1A,pl \ |
| ; RUN: -r=%t-bar.bc,_ZTI1A,pl \ |
| ; RUN: -r=%t-bar.bc,_ZNK1A1fEv, \ |
| ; RUN: -r=%t-bar.bc,_ZTV1A,pl \ |
| ; RUN: -r=%t-bar.bc,_ZTI1A, 2>&1 | FileCheck %s --check-prefix=REMARK |
| ; RUN: llvm-dis %t.1.3.import.bc -o - | FileCheck %s --check-prefix=IMPORT |
| ; RUN: llvm-dis %t.1.5.precodegen.bc -o - | FileCheck %s --check-prefix=CODEGEN |
| |
| ; REMARK-COUNT-3: single-impl: devirtualized a call to _ZNK1A1fEv |
| |
| ; IMPORT: define available_externally hidden i32 @_ZNK1A1fEv(ptr %this) |
| ; IMPORT-NEXT: entry: |
| ; IMPORT-NEXT: ret i32 3 |
| |
| ; CODEGEN: define hidden i32 @main() |
| ; CODEGEN-NEXT: entry: |
| ; CODEGEN-NEXT: ret i32 23 |
| |
| ; Virtual method should have been optimized out |
| ; CODEGEN-NOT: _ZNK1A1fEv |
| |
| ; ModuleID = 'main.cpp' |
| source_filename = "main.cpp" |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| ; Function Attrs: norecurse uwtable |
| define hidden i32 @main() local_unnamed_addr { |
| entry: |
| %call = tail call i32 @_Z3barv() |
| ret i32 %call |
| } |
| |
| declare dso_local i32 @_Z3barv() local_unnamed_addr |
| |
| !llvm.module.flags = !{!0} |
| !llvm.ident = !{!1} |
| |
| !0 = !{i32 1, !"wchar_size", i32 4} |
| !1 = !{!"clang version 10.0.0 (trunk 373596)"} |