clang/test/CodeGen/emit-summary-index.c

   1 // ; Check that the -flto=thin option emits a ThinLTO summary
   2 // RUN: %clang_cc1 -flto=thin -emit-llvm-bc < %s | llvm-bcanalyzer -dump | FileCheck %s
   3 // CHECK: <GLOBALVAL_SUMMARY_BLOCK
   4 //
   5 // ; Check that we do not emit a summary for regular LTO on Apple platforms
   6 // RUN: %clang_cc1 -flto -triple x86_64-apple-darwin -emit-llvm-bc < %s | llvm-bcanalyzer -dump | FileCheck --check-prefix=LTO %s
   7 // LTO-NOT: GLOBALVAL_SUMMARY_BLOCK
   8 //
   9 // ; Check that we emit a summary for regular LTO by default elsewhere
  10 // RUN: %clang_cc1 -flto -triple x86_64-pc-linux-gnu -emit-llvm-bc < %s | llvm-bcanalyzer -dump | FileCheck --check-prefix=LTOINDEX %s
  11 // LTOINDEX: <FULL_LTO_GLOBALVAL_SUMMARY_BLOCK
  12 //
  13 // ; Simulate -save-temps and check that it works (!"ThinLTO" module flag not added multiple times)
  14 // RUN: %clang_cc1 -flto -triple x86_64-pc-linux-gnu -emit-llvm-bc -disable-llvm-passes < %s -o %t.bc
  15 // RUN: %clang_cc1 -flto -triple x86_64-pc-linux-gnu -emit-llvm-bc -x ir < %t.bc | llvm-bcanalyzer -dump | FileCheck --check-prefix=LTOINDEX %s
  16
  17 /// Check that emitting bitcode works for Unified LTO, when either LTO mode is specified
  18 // RUN: %clang_cc1 -flto=thin -funified-lto -emit-llvm-bc < %s | llvm-bcanalyzer -dump | FileCheck --check-prefix=UNITHIN %s
  19 // RUN: %clang_cc1 -flto -funified-lto -emit-llvm-bc < %s | llvm-bcanalyzer -dump | FileCheck --check-prefix=UNITHIN %s
  20
  21 // UNITHIN: <GLOBALVAL_SUMMARY_BLOCK
  22
  23 int main(void) {}