clang/test/CodeGen/asan-frame-pointer.cpp

   1 /// -mframe-pointer=none sets the module flag "frame-pointer" (merge behavior: max).
   2 /// asan synthesized ctor/dtor get the "frame-pointer" function attribute if not zero (default).
   3 // RUN: %clang_cc1 -emit-llvm -fsanitize=address -mframe-pointer=none %s -o - | FileCheck %s --check-prefix=NONE
   4 // RUN: %clang_cc1 -emit-llvm -fsanitize=address -mframe-pointer=non-leaf %s -o - | FileCheck %s --check-prefix=NONLEAF
   5 // RUN: %clang_cc1 -emit-llvm -fsanitize=address -mframe-pointer=all %s -o - | FileCheck %s --check-prefix=ALL
   6
   7 int global;
   8
   9 // NONE: define internal void @asan.module_ctor() #[[#ATTR:]] {
  10 // NONE: define internal void @asan.module_dtor() #[[#ATTR]] {
  11 // NONE: attributes #[[#ATTR]] = { nounwind }
  12
  13 // NONLEAF: define internal void @asan.module_ctor() #[[#ATTR:]] {
  14 // NONLEAF: define internal void @asan.module_dtor() #[[#ATTR]] {
  15 // NONLEAF: attributes #[[#ATTR]] = { nounwind "frame-pointer"="non-leaf" }
  16
  17 // ALL: define internal void @asan.module_ctor() #[[#ATTR:]] {
  18 // ALL: define internal void @asan.module_dtor() #[[#ATTR]] {
  19 // ALL: attributes #[[#ATTR]] = { nounwind "frame-pointer"="all" }