[RISCV][MCA] Move sifive-x280 tests to directory SiFiveX280 (#120522)
[llvm-project.git] / clang / test / CodeGen / fat-lto-objects.c
blob36a73684e7bfe997a6d06af97fe821726b4c2bb6
1 // REQUIRES: x86-registered-target
3 // 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
4 // RUN: %clang -cc1 -triple x86_64-unknown-linux-gnu -flto=full -ffat-lto-objects -emit-llvm < %s | FileCheck %s --check-prefixes=FULL,SPLIT
6 // 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
7 // RUN: %clang -cc1 -triple x86_64-unknown-linux-gnu -flto=thin -ffat-lto-objects -emit-llvm < %s | FileCheck %s --check-prefixes=THIN,NOSPLIT
9 // 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
10 // RUN: llvm-readelf -S %t.full.split.o | FileCheck %s --check-prefixes=ELF
11 // RUN: llvm-objcopy --dump-section=.llvm.lto=%t.full.split.bc %t.full.split.o
12 // RUN: llvm-dis %t.full.split.bc -o - | FileCheck %s --check-prefixes=FULL,SPLIT,NOUNIFIED
14 /// Full LTO always sets EnableSplitLTOUnit when the summary is used.
15 // RUN: %clang -cc1 -triple x86_64-unknown-linux-gnu -flto=full -ffat-lto-objects -emit-obj < %s -o %t.full.nosplit.o
16 // RUN: llvm-readelf -S %t.full.nosplit.o | FileCheck %s --check-prefixes=ELF
17 // RUN: llvm-objcopy --dump-section=.llvm.lto=%t.full.nosplit.bc %t.full.nosplit.o
18 // RUN: llvm-dis %t.full.nosplit.bc -o - | FileCheck %s --check-prefixes=FULL,SPLIT,NOUNIFIED
20 // 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
21 // RUN: llvm-readelf -S %t.thin.split.o | FileCheck %s --check-prefixes=ELF
22 // RUN: llvm-objcopy --dump-section=.llvm.lto=%t.thin.split.bc %t.thin.split.o
23 // RUN: llvm-dis %t.thin.split.bc -o - | FileCheck %s --check-prefixes=THIN,SPLIT,NOUNIFIED
25 // RUN: %clang -cc1 -triple x86_64-unknown-linux-gnu -flto=thin -ffat-lto-objects -emit-obj < %s -o %t.thin.nosplit.o
26 // RUN: llvm-readelf -S %t.thin.nosplit.o | FileCheck %s --check-prefixes=ELF
27 // RUN: llvm-objcopy --dump-section=.llvm.lto=%t.thin.nosplit.bc %t.thin.nosplit.o
28 // RUN: llvm-dis %t.thin.nosplit.bc -o - | FileCheck %s --check-prefixes=THIN,NOSPLIT,NOUNIFIED
30 // RUN: %clang -cc1 -triple x86_64-unknown-linux-gnu -flto=thin -funified-lto -ffat-lto-objects -emit-obj < %s -o %t.unified.o
31 // RUN: llvm-readelf -S %t.unified.o | FileCheck %s --check-prefixes=ELF
32 // RUN: llvm-objcopy --dump-section=.llvm.lto=%t.unified.bc %t.unified.o
33 // RUN: llvm-dis %t.unified.bc -o - | FileCheck %s --check-prefixes=THIN,NOSPLIT,UNIFIED
35 // RUN: %clang -cc1 -triple x86_64-unknown-linux-gnu -flto=full -ffat-lto-objects -fsplit-lto-unit -S < %s -o - \
36 // RUN: | FileCheck %s --check-prefixes=ASM
38 /// Make sure that FatLTO generates .llvm.lto sections that are the same as the output from normal LTO compilations
39 // RUN: %clang -O2 --target=x86_64-unknown-linux-gnu -fPIE -flto=full -ffat-lto-objects -c %s -o %t.fatlto.full.o
40 // RUN: llvm-objcopy --dump-section=.llvm.lto=%t.fatlto.full.bc %t.fatlto.full.o
41 // RUN: llvm-dis < %t.fatlto.full.bc -o %t.fatlto.full.ll
42 // RUN: %clang -O2 --target=x86_64-unknown-linux-gnu -fPIE -flto=full -c %s -o %t.nofat.full.bc
43 // RUN: llvm-dis < %t.nofat.full.bc -o %t.nofat.full.ll
44 // RUN: diff %t.fatlto.full.ll %t.nofat.full.ll
46 // RUN: %clang -O2 --target=x86_64-unknown-linux-gnu -fPIE -flto=thin -ffat-lto-objects -c %s -o %t.fatlto.thin.o
47 // RUN: llvm-objcopy --dump-section=.llvm.lto=%t.fatlto.thin.bc %t.fatlto.thin.o
48 // RUN: llvm-dis < %t.fatlto.thin.bc -o %t.fatlto.thin.ll
49 // RUN: %clang -O2 --target=x86_64-unknown-linux-gnu -fPIE -flto=thin -c %s -o %t.nofat.thin.bc
50 // RUN: llvm-dis < %t.nofat.thin.bc -o %t.nofat.thin.ll
51 // RUN: diff %t.fatlto.thin.ll %t.nofat.thin.ll
53 /// Be sure we enable split LTO units correctly under -ffat-lto-objects.
54 // SPLIT: ![[#]] = !{i32 1, !"EnableSplitLTOUnit", i32 1}
55 // NOSPLIT: ![[#]] = !{i32 1, !"EnableSplitLTOUnit", i32 0}
57 // FULL-NOT: ![[#]] = !{i32 1, !"ThinLTO", i32 0}
58 // THIN-NOT: ![[#]] = !{i32 1, !"ThinLTO", i32 0}
60 // UNIFIED: ![[#]] = !{i32 1, !"UnifiedLTO", i32 1}
61 // NOUNIFIED-NOT: ![[#]] = !{i32 1, !"UnifiedLTO", i32 1}
63 // ELF: .llvm.lto
65 // ASM: .section .llvm.lto,"e",@llvm_lto
66 // ASM-NEXT: .Lllvm.embedded.object:
67 // ASM-NEXT: .asciz "BC
68 // ASM-NEXT: .size .Lllvm.embedded.object
70 const char* foo = "foo";
72 int test(void) {
73 const char* bar = "bar";
74 return 0xabcd;