File: split-lto-unit.c

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llvm-toolchain-17 1%3A17.0.6-22
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// ; Check that -flto=thin without -fsplit-lto-unit has EnableSplitLTOUnit = 0
// RUN: %clang_cc1 -flto=thin -emit-llvm-bc < %s | llvm-dis -o - | FileCheck %s
// RUN: %clang_cc1 -flto=thin -emit-llvm < %s | FileCheck %s
// RUN: %clang_cc1 -flto=thin -funified-lto -triple=x86_64-scei-ps4 -emit-llvm-bc < %s | llvm-dis -o - | FileCheck %s
// CHECK: !{i32 1, !"EnableSplitLTOUnit", i32 0}
//
// ; Check that -flto=thin with -fsplit-lto-unit has EnableSplitLTOUnit = 1
// RUN: %clang_cc1 -flto=thin -fsplit-lto-unit -emit-llvm-bc < %s | llvm-dis -o - | FileCheck %s --check-prefix=SPLIT
// RUN: %clang_cc1 -flto=thin -fsplit-lto-unit -emit-llvm < %s | FileCheck %s --check-prefix=SPLIT
// SPLIT: !{i32 1, !"EnableSplitLTOUnit", i32 1}
//
// ; Check that regular LTO has EnableSplitLTOUnit = 1
// RUN: %clang_cc1 -flto -triple x86_64-pc-linux-gnu -emit-llvm-bc < %s | llvm-dis -o - | FileCheck %s --implicit-check-not="EnableSplitLTOUnit" --check-prefix=SPLIT
// RUN: %clang_cc1 -flto -triple x86_64-pc-linux-gnu -emit-llvm < %s | FileCheck %s --implicit-check-not="EnableSplitLTOUnit" --check-prefix=SPLIT

// ; Check that regular LTO has EnableSplitLTOUnit = 1, if using distinct pipelines. For unified pipelines, use EnableSplitLTOUnit = 0.
// RUN: %clang_cc1 -flto -triple x86_64-pc-linux-gnu -emit-llvm-bc < %s | llvm-dis -o - | FileCheck %s --implicit-check-not="EnableSplitLTOUnit" --check-prefix=SPLIT
// RUN: %clang_cc1 -flto -funified-lto -triple x86_64-scei-ps4 -emit-llvm-bc < %s | llvm-dis -o - | FileCheck %s
// RUN: %clang_cc1 -flto=thin -funified-lto -fsplit-lto-unit -triple x86_64-pc-linux-gnu -emit-llvm-bc < %s | llvm-dis -o - | FileCheck %s --implicit-check-not="EnableSplitLTOUnit" --check-prefix=SPLIT

int main(void) {}