clang/test/CodeGen/split-lto-unit.c

   1 // ; Check that -flto=thin without -fsplit-lto-unit has EnableSplitLTOUnit = 0
   2 // RUN: %clang_cc1 -flto=thin -emit-llvm-bc < %s | llvm-dis -o - | FileCheck %s
   3 // RUN: %clang_cc1 -flto=thin -emit-llvm < %s | FileCheck %s
   4 // RUN: %clang_cc1 -flto=thin -funified-lto -triple=x86_64-scei-ps4 -emit-llvm-bc < %s | llvm-dis -o - | FileCheck %s
   5 // CHECK: !{i32 1, !"EnableSplitLTOUnit", i32 0}
   6 //
   7 // ; Check that -flto=thin with -fsplit-lto-unit has EnableSplitLTOUnit = 1
   8 // RUN: %clang_cc1 -flto=thin -fsplit-lto-unit -emit-llvm-bc < %s | llvm-dis -o - | FileCheck %s --check-prefix=SPLIT
   9 // RUN: %clang_cc1 -flto=thin -fsplit-lto-unit -emit-llvm < %s | FileCheck %s --check-prefix=SPLIT
  10 // SPLIT: !{i32 1, !"EnableSplitLTOUnit", i32 1}
  11 //
  12 // ; Check that regular LTO has EnableSplitLTOUnit = 1
  13 // 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
  14 // RUN: %clang_cc1 -flto -triple x86_64-pc-linux-gnu -emit-llvm < %s | FileCheck %s --implicit-check-not="EnableSplitLTOUnit" --check-prefix=SPLIT
  15
  16 // ; Check that regular LTO has EnableSplitLTOUnit = 1, if using distinct pipelines. For unified pipelines, use EnableSplitLTOUnit = 0.
  17 // 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
  18 // RUN: %clang_cc1 -flto -funified-lto -triple x86_64-scei-ps4 -emit-llvm-bc < %s | llvm-dis -o - | FileCheck %s
  19 // 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
  20
  21 int main(void) {}