110 lines
4.1 KiB
Text
110 lines
4.1 KiB
Text
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;; Basic FatLTO tests.
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; REQUIRES: x86_64-linux
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; RUN: rm -rf %t && split-file %s %t
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;; Ensure that input files contain .llvm.lto section
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; RUN: llc %t/a-LTO.ll --filetype=obj -o %t/a-fatLTO.o
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; RUN: opt --module-summary %t/a-LTO.ll -o %t/a-fatLTO.bc
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; RUN: llvm-objcopy --add-section=.llvm.lto=%t/a-fatLTO.bc %t/a-fatLTO.o
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; RUN: llvm-objcopy --set-section-flags=.llvm.lto=readonly,exclude %t/a-fatLTO.o
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; RUN: llvm-readobj -S %t/a-fatLTO.o | FileCheck --check-prefix=CHECK-A %s
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; CHECK-A: Name: .llvm.lto
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; RUN: llc %t/main-LTO.ll --filetype=obj -o %t/main-fatLTO.o
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; RUN: opt --module-summary %t/main-LTO.ll -o %t/main-fatLTO.bc
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; RUN: llvm-objcopy --add-section=.llvm.lto=%t/main-fatLTO.bc %t/main-fatLTO.o
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; RUN: llvm-objcopy --set-section-flags=.llvm.lto=readonly,exclude %t/main-fatLTO.o
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; RUN: llvm-readobj -S %t/main-fatLTO.o | FileCheck --check-prefix=CHECK-MAIN %s
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; CHECK-MAIN: Name: .llvm.lto
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;; Final executable should not have .llvm.lto section no matter what the target is
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; RUN: %gold -plugin %llvmshlibdir/LLVMgold%shlibext -o %t/foo-fatLTO %t/a-fatLTO.o %t/main-fatLTO.o
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; RUN: llvm-readobj -S %t/foo-fatLTO | FileCheck --check-prefix=CHECK-LTO-TARGET %s
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;; Check that fat objects work w/ s=--start-lib
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; RUN: %gold -plugin %llvmshlibdir/LLVMgold%shlibext -o %t/foo-fatLTO.start_lib --start-lib %t/a-fatLTO.o %t/main-fatLTO.o --end-lib
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; RUN: llvm-readobj -S %t/foo-fatLTO.start_lib | FileCheck --check-prefix=CHECK-LTO-TARGET %s
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;; Check if .llvm.lto section gets aggregated in LTO target
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; CHECK-LTO-TARGET-NOT: Name: .llvm.lto
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;; Final executable should not have .llvm.lto section no matter what the target is
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; RUN: %gold -o %t/foo-fatNoLTO %t/a-fatLTO.o %/t/main-fatLTO.o
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; RUN: llvm-readobj -S %t/foo-fatNoLTO | FileCheck --check-prefix=CHECK-NON-LTO-TARGET %s
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;; Check if .llvm.lto section gets aggregated in non-LTO target
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; CHECK-NON-LTO-TARGET-NOT: Name: .llvm.lto
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;; Check if the LTO target executable produced from FatLTO object file is
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;; identical to the one produced from LTO modules
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; RUN: opt --module-summary %t/a-LTO.ll -o %t/a-LTO.bc
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; RUN: opt --module-summary %t/main-LTO.ll -o %t/main-LTO.bc
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; RUN: %gold -plugin %llvmshlibdir/LLVMgold%shlibext -o %t/foo-LTO %t/a-LTO.bc %t/main-LTO.bc
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; RUN: cmp %t/foo-fatLTO %t/foo-LTO
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;; Check if the no-LTO target executable produced from FatLTO object file is
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;; identical to the one produced from regular object files
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; RUN: llc %t/a-LTO.ll --filetype=obj -o %t/a.o
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; RUN: llc %t/main-LTO.ll --filetype=obj -o %t/main.o
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; RUN: %gold -o %t/foo-noLTO %t/a.o %t/main.o
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; RUN: cmp %t/foo-fatNoLTO %t/foo-noLTO
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;; Check archive support
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; RUN: llvm-ar rcs %t/a.a %t/a-fatLTO.o
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; RUN: %gold -plugin %llvmshlibdir/LLVMgold%shlibext -o %t/foo-fatLTO.archive %t/main-LTO.bc %t/a.a
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; RUN: cmp %t/foo-fatLTO.archive %t/foo-LTO
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;--- a-LTO.ll
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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; Function Attrs: noinline nounwind uwtable
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define dso_local i32 @_start() #0 {
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entry:
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ret i32 0
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}
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attributes #0 = { noinline nounwind uwtable }
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!llvm.module.flags = !{!0, !1, !2, !3, !4, !5, !6}
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!0 = !{i32 1, !"wchar_size", i32 4}
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!1 = !{i32 7, !"PIC Level", i32 2}
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!2 = !{i32 7, !"PIE Level", i32 2}
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!3 = !{i32 7, !"uwtable", i32 2}
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!4 = !{i32 7, !"frame-pointer", i32 2}
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!5 = !{i32 1, !"ThinLTO", i32 0}
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!6 = !{i32 1, !"EnableSplitLTOUnit", i32 1}
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;--- main-LTO.ll
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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; Function Attrs: noinline nounwind uwtable
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define dso_local i32 @main() #0 {
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entry:
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%retval = alloca i32, align 4
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store i32 0, ptr %retval, align 4
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%call = call i32 (...) @_start()
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ret i32 %call
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}
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declare i32 @_start(...)
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attributes #0 = { noinline nounwind uwtable }
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!llvm.module.flags = !{!0, !1, !2, !3, !4, !5, !6}
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!0 = !{i32 1, !"wchar_size", i32 4}
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!1 = !{i32 7, !"PIC Level", i32 2}
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!2 = !{i32 7, !"PIE Level", i32 2}
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!3 = !{i32 7, !"uwtable", i32 2}
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!4 = !{i32 7, !"frame-pointer", i32 2}
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!5 = !{i32 1, !"ThinLTO", i32 0}
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!6 = !{i32 1, !"EnableSplitLTOUnit", i32 1}
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