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 // CHECK: !{i32 1, !"EnableSplitLTOUnit", i32 0}
   5 //
   6 // ; Check that -flto=thin with -fsplit-lto-unit has EnableSplitLTOUnit = 1
   7 // RUN: %clang_cc1 -flto=thin -fsplit-lto-unit -emit-llvm-bc < %s | llvm-dis -o - | FileCheck %s --check-prefix=SPLIT
   8 // RUN: %clang_cc1 -flto=thin -fsplit-lto-unit -emit-llvm < %s | FileCheck %s --check-prefix=SPLIT
   9 // SPLIT: !{i32 1, !"EnableSplitLTOUnit", i32 1}
  10 //
  11 // ; Check that regular LTO has EnableSplitLTOUnit = 1
  12 // 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
  13 // RUN: %clang_cc1 -flto -triple x86_64-pc-linux-gnu -emit-llvm < %s | FileCheck %s --implicit-check-not="EnableSplitLTOUnit" --check-prefix=SPLIT
  14
  15 int main(void) {}