clang/test/CodeGen/basic-block-sections.c

   1 // REQUIRES: x86-registered-target
   2
   3 // RUN: %clang_cc1 -triple x86_64 -S -o - < %s | FileCheck %s --check-prefix=PLAIN
   4 // RUN: %clang_cc1 -triple x86_64 -S -fbasic-block-sections=all -fbasic-block-sections=none -o - < %s | FileCheck %s --check-prefix=PLAIN
   5
   6 // RUN: %clang_cc1 -triple x86_64 -S -fbasic-block-sections=all -o - < %s | FileCheck %s --check-prefix=BB_WORLD --check-prefix=BB_ALL
   7 // RUN: %clang_cc1 -triple x86_64 -S -fbasic-block-sections=list=%S/Inputs/basic-block-sections.funcnames -o - < %s | FileCheck %s --check-prefix=BB_WORLD --check-prefix=BB_LIST
   8 // RUN: %clang_cc1 -triple x86_64 -S -fbasic-block-sections=all -funique-basic-block-section-names -o - < %s | FileCheck %s --check-prefix=UNIQUE
   9 // RUN: rm -f %t
  10 // RUN: not %clang_cc1 -fbasic-block-sections=list= -emit-obj -o %t %s 2>&1 | FileCheck -DMSG=%errc_ENOENT %s --check-prefix=ERROR
  11 // RUN: not ls %t
  12
  13 int world(int a) {
  14   if (a > 10)
  15     return 10;
  16   else if (a > 5)
  17     return 5;
  18   else
  19     return 0;
  20 }
  21
  22 int another(int a) {
  23   if (a > 10)
  24     return 20;
  25   return 0;
  26 }
  27
  28 // PLAIN-NOT: section
  29 // PLAIN: world:
  30 //
  31 // BB_WORLD: .section .text.world,"ax",@progbits{{$}}
  32 // BB_WORLD: world:
  33 // BB_WORLD: .section .text.world,"ax",@progbits,unique
  34 // BB_WORLD: world.__part.1:
  35 // BB_ALL: .section .text.another,"ax",@progbits
  36 // BB_ALL: another.__part.1:
  37 // BB_LIST-NOT: .section .text.another,"ax",@progbits
  38 // BB_LIST: another:
  39 // BB_LIST-NOT: another.__part.1:
  40 //
  41 // UNIQUE: .section .text.world.world.__part.1,
  42 // UNIQUE: .section .text.another.another.__part.1,
  43 // ERROR: error:  unable to load basic block sections function list: '[[MSG]]'