| ;; Basic FatLTO tests. |
| ; REQUIRES: x86 |
| |
| ; RUN: rm -rf %t && split-file %s %t |
| |
| ;; Ensure that input files contain .llvm.lto section. |
| ; RUN: llc %t/a-LTO.ll --filetype=obj -o %t/a-fatLTO.o |
| ; RUN: opt < %t/a-LTO.ll --module-summary -o %t/a-fatLTO.bc |
| ; RUN: llvm-objcopy --add-section=.llvm.lto=%t/a-fatLTO.bc --set-section-flags=.llvm.lto=exclude %t/a-fatLTO.o |
| |
| ; RUN: llc %t/main-LTO.ll --filetype=obj -o %t/main-fatLTO.o |
| ; RUN: opt < %t/main-LTO.ll --module-summary -o %t/main-fatLTO.bc |
| ; RUN: llvm-objcopy --add-section=.llvm.lto=%t/main-fatLTO.bc --set-section-flags=.llvm.lto=exclude %t/main-fatLTO.o |
| |
| ;; Final executable should not have .llvm.lto section no matter what the target is. |
| ; RUN: ld.lld -o %t/foo-fatLTO %t/a-fatLTO.o %t/main-fatLTO.o --fat-lto-objects |
| ; RUN: llvm-readobj -S %t/foo-fatLTO | FileCheck --check-prefix=CHECK-LTO-TARGET %s |
| |
| ;; Check that fat objects work w/ --start-lib. |
| ; RUN: ld.lld -o %t/foo-fatLTO.start_lib --start-lib %t/a-fatLTO.o %t/main-fatLTO.o --fat-lto-objects |
| ; RUN: llvm-readobj -S %t/foo-fatLTO.start_lib | FileCheck --check-prefix=CHECK-LTO-TARGET %s |
| |
| ;; Check if .llvm.lto section gets aggregated in LTO target. |
| ; CHECK-LTO-TARGET-NOT: Name: .llvm.lto |
| |
| ;; Final executable should not have .llvm.lto section no matter what the target is. |
| ; RUN: ld.lld -o %t/foo-fatNoLTO %t/a-fatLTO.o %/t/main-fatLTO.o |
| ; RUN: llvm-readobj -S %t/foo-fatNoLTO | FileCheck --check-prefix=CHECK-NON-LTO-TARGET %s |
| |
| ;; Check if .llvm.lto section gets aggregated in non-LTO target. |
| ; CHECK-NON-LTO-TARGET-NOT: Name: .llvm.lto |
| |
| ;; Check if the LTO target executable produced from FatLTO object file is |
| ;; identical to the one produced from LTO modules. |
| ; RUN: opt < %t/a-LTO.ll --module-summary -o %t/a-LTO.bc |
| ; RUN: opt < %t/main-LTO.ll --module-summary -o %t/main-LTO.bc |
| ; RUN: ld.lld -o %t/foo-LTO %t/a-LTO.bc %t/main-LTO.bc |
| ; RUN: cmp %t/foo-fatLTO %t/foo-LTO |
| |
| ;; Check if the no-LTO target executable produced from FatLTO object file is |
| ;; identical to the one produced from regular object files. |
| ; RUN: llc %t/a-LTO.ll --filetype=obj -o %t/a.o |
| ; RUN: llc %t/main-LTO.ll --filetype=obj -o %t/main.o |
| ; RUN: ld.lld -o %t/foo-noLTO %t/a.o %t/main.o |
| ; RUN: cmp %t/foo-fatNoLTO %t/foo-noLTO |
| |
| ;; Check archive support. |
| ; RUN: llvm-ar rcs %t/a.a %t/a-fatLTO.o |
| ; RUN: ld.lld -o %t/foo-fatLTO.archive %t/a.a %t/main-LTO.bc --fat-lto-objects |
| ; RUN: cmp %t/foo-fatLTO.archive %t/foo-LTO |
| |
| ;--- a-LTO.ll |
| 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: noinline nounwind uwtable |
| define dso_local i32 @_start() #0 { |
| entry: |
| ret i32 0 |
| } |
| |
| attributes #0 = { noinline nounwind uwtable } |
| |
| !llvm.module.flags = !{!0, !1, !2, !3, !4, !5, !6} |
| |
| !0 = !{i32 1, !"wchar_size", i32 4} |
| !1 = !{i32 7, !"PIC Level", i32 2} |
| !2 = !{i32 7, !"PIE Level", i32 2} |
| !3 = !{i32 7, !"uwtable", i32 2} |
| !4 = !{i32 7, !"frame-pointer", i32 2} |
| !5 = !{i32 1, !"ThinLTO", i32 0} |
| !6 = !{i32 1, !"EnableSplitLTOUnit", i32 1} |
| |
| ;--- main-LTO.ll |
| 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: noinline nounwind uwtable |
| define dso_local i32 @main() #0 { |
| entry: |
| %retval = alloca i32, align 4 |
| store i32 0, ptr %retval, align 4 |
| %call = call i32 (...) @_start() |
| ret i32 %call |
| } |
| |
| declare i32 @_start(...) |
| |
| attributes #0 = { noinline nounwind uwtable } |
| |
| !llvm.module.flags = !{!0, !1, !2, !3, !4, !5, !6} |
| |
| !0 = !{i32 1, !"wchar_size", i32 4} |
| !1 = !{i32 7, !"PIC Level", i32 2} |
| !2 = !{i32 7, !"PIE Level", i32 2} |
| !3 = !{i32 7, !"uwtable", i32 2} |
| !4 = !{i32 7, !"frame-pointer", i32 2} |
| !5 = !{i32 1, !"ThinLTO", i32 0} |
| !6 = !{i32 1, !"EnableSplitLTOUnit", i32 1} |