d1e2b96b60
Since FatLTO now uses the UnifiedLTO pipeline, we should not set the ThinLTO module flag to true, since it may cause an assertion failure. See https://github.com/llvm/llvm-project/issues/70703 for context.
55 lines
3.3 KiB
C
55 lines
3.3 KiB
C
// REQUIRES: x86-registered-target
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// RUN: not %clang -cc1 -triple x86_64-unknown-linux-gnu -flto=full -ffat-lto-objects -fsplit-lto-unit -emit-llvm < %s 2>&1 | FileCheck %s --check-prefixes=NO-UNIFIED
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// RUN: %clang -cc1 -triple x86_64-unknown-linux-gnu -flto=full -funified-lto -ffat-lto-objects -fsplit-lto-unit -emit-llvm < %s | FileCheck %s --check-prefixes=FULL,SPLIT,UNIFIED
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// RUN: %clang -cc1 -triple x86_64-unknown-linux-gnu -flto=full -funified-lto -ffat-lto-objects -emit-llvm < %s | FileCheck %s --check-prefixes=FULL,NOSPLIT,UNIFIED
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// RUN: %clang -cc1 -triple x86_64-unknown-linux-gnu -flto=thin -funified-lto -fsplit-lto-unit -ffat-lto-objects -emit-llvm < %s | FileCheck %s --check-prefixes=THIN,SPLIT,UNIFIED
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// RUN: %clang -cc1 -triple x86_64-unknown-linux-gnu -flto=thin -funified-lto -ffat-lto-objects -emit-llvm < %s | FileCheck %s --check-prefixes=THIN,NOSPLIT,UNIFIED
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// RUN: %clang -cc1 -triple x86_64-unknown-linux-gnu -flto=full -funified-lto -ffat-lto-objects -fsplit-lto-unit -emit-obj < %s -o %t.full.split.o
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// RUN: llvm-readelf -S %t.full.split.o | FileCheck %s --check-prefixes=ELF
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// RUN: llvm-objcopy --dump-section=.llvm.lto=%t.full.split.bc %t.full.split.o
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// RUN: llvm-dis %t.full.split.bc -o - | FileCheck %s --check-prefixes=THIN,SPLIT,UNIFIED
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// RUN: %clang -cc1 -triple x86_64-unknown-linux-gnu -flto=full -funified-lto -ffat-lto-objects -emit-obj < %s -o %t.full.nosplit.o
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// RUN: llvm-readelf -S %t.full.nosplit.o | FileCheck %s --check-prefixes=ELF
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// RUN: llvm-objcopy --dump-section=.llvm.lto=%t.full.nosplit.bc %t.full.nosplit.o
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// RUN: llvm-dis %t.full.nosplit.bc -o - | FileCheck %s --check-prefixes=THIN,NOSPLIT,UNIFIED
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// RUN: %clang -cc1 -triple x86_64-unknown-linux-gnu -flto=thin -funified-lto -fsplit-lto-unit -ffat-lto-objects -emit-obj < %s -o %t.thin.split.o
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// RUN: llvm-readelf -S %t.thin.split.o | FileCheck %s --check-prefixes=ELF
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// RUN: llvm-objcopy --dump-section=.llvm.lto=%t.thin.split.bc %t.thin.split.o
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// RUN: llvm-dis %t.thin.split.bc -o - | FileCheck %s --check-prefixes=THIN,SPLIT,UNIFIED
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// RUN: %clang -cc1 -triple x86_64-unknown-linux-gnu -flto=thin -funified-lto -ffat-lto-objects -emit-obj < %s -o %t.thin.nosplit.o
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// RUN: llvm-readelf -S %t.thin.nosplit.o | FileCheck %s --check-prefixes=ELF
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// RUN: llvm-objcopy --dump-section=.llvm.lto=%t.thin.nosplit.bc %t.thin.nosplit.o
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// RUN: llvm-dis %t.thin.nosplit.bc -o - | FileCheck %s --check-prefixes=THIN,NOSPLIT,UNIFIED
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// RUN: %clang -cc1 -triple x86_64-unknown-linux-gnu -flto=full -funified-lto -ffat-lto-objects -fsplit-lto-unit -S < %s -o - \
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// RUN: | FileCheck %s --check-prefixes=ASM
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/// Be sure we enable split LTO units correctly under -ffat-lto-objects.
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// SPLIT: ![[#]] = !{i32 1, !"EnableSplitLTOUnit", i32 1}
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// NOSPLIT: ![[#]] = !{i32 1, !"EnableSplitLTOUnit", i32 0}
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// FULL-NOT: ![[#]] = !{i32 1, !"ThinLTO", i32 0}
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// THIN-NOT: ![[#]] = !{i32 1, !"ThinLTO", i32 0}
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/// FatLTO always uses UnifiedLTO. It's an error if they aren't set together
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// UNIFIED: ![[#]] = !{i32 1, !"UnifiedLTO", i32 1}
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// NO-UNIFIED: error: invalid argument '-ffat-lto-objects' only allowed with '-funified-lto'
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// ELF: .llvm.lto
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// ASM: .section .llvm.lto,"e",@progbits
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// ASM-NEXT: .Lllvm.embedded.object:
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// ASM-NEXT: .asciz "BC
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// ASM-NEXT: .size .Lllvm.embedded.object
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int test(void) {
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return 0xabcd;
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}
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