| // REQUIRES: x86-registered-target |
| |
| // RUN: %clang -cc1 -triple x86_64-unknown-linux-gnu -flto=full -ffat-lto-objects -fsplit-lto-unit -emit-llvm < %s | FileCheck %s --check-prefixes=FULL,SPLIT |
| // RUN: %clang -cc1 -triple x86_64-unknown-linux-gnu -flto=full -ffat-lto-objects -emit-llvm < %s | FileCheck %s --check-prefixes=FULL,SPLIT |
| |
| // RUN: %clang -cc1 -triple x86_64-unknown-linux-gnu -flto=thin -fsplit-lto-unit -ffat-lto-objects -emit-llvm < %s | FileCheck %s --check-prefixes=THIN,SPLIT |
| // RUN: %clang -cc1 -triple x86_64-unknown-linux-gnu -flto=thin -ffat-lto-objects -emit-llvm < %s | FileCheck %s --check-prefixes=THIN,NOSPLIT |
| |
| // RUN: %clang -cc1 -triple x86_64-unknown-linux-gnu -flto=full -ffat-lto-objects -fsplit-lto-unit -emit-obj < %s -o %t.full.split.o |
| // RUN: llvm-readelf -S %t.full.split.o | FileCheck %s --check-prefixes=ELF |
| // RUN: llvm-objcopy --dump-section=.llvm.lto=%t.full.split.bc %t.full.split.o |
| // RUN: llvm-dis %t.full.split.bc -o - | FileCheck %s --check-prefixes=FULL,SPLIT,NOUNIFIED |
| |
| /// Full LTO always sets EnableSplitLTOUnit when the summary is used. |
| // RUN: %clang -cc1 -triple x86_64-unknown-linux-gnu -flto=full -ffat-lto-objects -emit-obj < %s -o %t.full.nosplit.o |
| // RUN: llvm-readelf -S %t.full.nosplit.o | FileCheck %s --check-prefixes=ELF |
| // RUN: llvm-objcopy --dump-section=.llvm.lto=%t.full.nosplit.bc %t.full.nosplit.o |
| // RUN: llvm-dis %t.full.nosplit.bc -o - | FileCheck %s --check-prefixes=FULL,SPLIT,NOUNIFIED |
| |
| // RUN: %clang -cc1 -triple x86_64-unknown-linux-gnu -flto=thin -fsplit-lto-unit -ffat-lto-objects -emit-obj < %s -o %t.thin.split.o |
| // RUN: llvm-readelf -S %t.thin.split.o | FileCheck %s --check-prefixes=ELF |
| // RUN: llvm-objcopy --dump-section=.llvm.lto=%t.thin.split.bc %t.thin.split.o |
| // RUN: llvm-dis %t.thin.split.bc -o - | FileCheck %s --check-prefixes=THIN,SPLIT,NOUNIFIED |
| |
| // RUN: %clang -cc1 -triple x86_64-unknown-linux-gnu -flto=thin -ffat-lto-objects -emit-obj < %s -o %t.thin.nosplit.o |
| // RUN: llvm-readelf -S %t.thin.nosplit.o | FileCheck %s --check-prefixes=ELF |
| // RUN: llvm-objcopy --dump-section=.llvm.lto=%t.thin.nosplit.bc %t.thin.nosplit.o |
| // RUN: llvm-dis %t.thin.nosplit.bc -o - | FileCheck %s --check-prefixes=THIN,NOSPLIT,NOUNIFIED |
| |
| // RUN: %clang -cc1 -triple x86_64-unknown-linux-gnu -flto=thin -funified-lto -ffat-lto-objects -emit-obj < %s -o %t.unified.o |
| // RUN: llvm-readelf -S %t.unified.o | FileCheck %s --check-prefixes=ELF |
| // RUN: llvm-objcopy --dump-section=.llvm.lto=%t.unified.bc %t.unified.o |
| // RUN: llvm-dis %t.unified.bc -o - | FileCheck %s --check-prefixes=THIN,NOSPLIT,UNIFIED |
| |
| // RUN: %clang -cc1 -triple x86_64-unknown-linux-gnu -flto=full -ffat-lto-objects -fsplit-lto-unit -S < %s -o - \ |
| // RUN: | FileCheck %s --check-prefixes=ASM |
| |
| /// Make sure that FatLTO generates .llvm.lto sections that are the same as the output from normal LTO compilations |
| // RUN: %clang -O2 --target=x86_64-unknown-linux-gnu -fPIE -flto=full -ffat-lto-objects -c %s -o %t.fatlto.full.o |
| // RUN: llvm-objcopy --dump-section=.llvm.lto=%t.fatlto.full.bc %t.fatlto.full.o |
| // RUN: llvm-dis < %t.fatlto.full.bc -o %t.fatlto.full.ll |
| // RUN: %clang -O2 --target=x86_64-unknown-linux-gnu -fPIE -flto=full -c %s -o %t.nofat.full.bc |
| // RUN: llvm-dis < %t.nofat.full.bc -o %t.nofat.full.ll |
| // RUN: diff %t.fatlto.full.ll %t.nofat.full.ll |
| |
| // RUN: %clang -O2 --target=x86_64-unknown-linux-gnu -fPIE -flto=thin -ffat-lto-objects -c %s -o %t.fatlto.thin.o |
| // RUN: llvm-objcopy --dump-section=.llvm.lto=%t.fatlto.thin.bc %t.fatlto.thin.o |
| // RUN: llvm-dis < %t.fatlto.thin.bc -o %t.fatlto.thin.ll |
| // RUN: %clang -O2 --target=x86_64-unknown-linux-gnu -fPIE -flto=thin -c %s -o %t.nofat.thin.bc |
| // RUN: llvm-dis < %t.nofat.thin.bc -o %t.nofat.thin.ll |
| // RUN: diff %t.fatlto.thin.ll %t.nofat.thin.ll |
| |
| /// Be sure we enable split LTO units correctly under -ffat-lto-objects. |
| // SPLIT: ![[#]] = !{i32 1, !"EnableSplitLTOUnit", i32 1} |
| // NOSPLIT: ![[#]] = !{i32 1, !"EnableSplitLTOUnit", i32 0} |
| |
| // FULL-NOT: ![[#]] = !{i32 1, !"ThinLTO", i32 0} |
| // THIN-NOT: ![[#]] = !{i32 1, !"ThinLTO", i32 0} |
| |
| // UNIFIED: ![[#]] = !{i32 1, !"UnifiedLTO", i32 1} |
| // NOUNIFIED-NOT: ![[#]] = !{i32 1, !"UnifiedLTO", i32 1} |
| |
| // ELF: .llvm.lto |
| |
| // ASM: .section .llvm.lto,"e",@progbits |
| // ASM-NEXT: .Lllvm.embedded.object: |
| // ASM-NEXT: .asciz "BC |
| // ASM-NEXT: .size .Lllvm.embedded.object |
| |
| const char* foo = "foo"; |
| |
| int test(void) { |
| const char* bar = "bar"; |
| return 0xabcd; |
| } |