33 lines · cpp
1// RUN: %clang -target x86_64-linux-gnu -fsplit-stack -S -std=c++11 %s -emit-llvm -o - | FileCheck -check-prefix=CHECK-SEGSTK %s2// RUN: %clang -target x86_64-linux-gnu -S -std=c++11 %s -emit-llvm -o - | FileCheck -check-prefix=CHECK-NOSEGSTK %s3 4int foo() {5 return 0;6}7 8template <typename T>9[[gnu::no_split_stack]]10int tnosplit() {11 return 0;12}13 14[[gnu::no_split_stack]]15int nosplit() {16 return tnosplit<int>();17}18 19// CHECK-SEGSTK: define dso_local noundef i32 @_Z3foov() [[SS:#[0-9]+]] {20// CHECK-SEGSTK: define dso_local noundef i32 @_Z7nosplitv() [[NSS1:#[0-9]+]] {21// CHECK-SEGSTK: define linkonce_odr dso_local noundef i32 @_Z8tnosplitIiEiv() [[NSS2:#[0-9]+]] comdat {22// CHECK-SEGSTK-NOT: [[NSS1]] = { {{.*}} "split-stack" {{.*}} }23// CHECK-SEGSTK-NOT: [[NSS2]] = { {{.*}} "split-stack" {{.*}} }24// CHECK-SEGSTK: [[SS]] = { {{.*}} "split-stack" {{.*}} }25// CHECK-SEGSTK-NOT: [[NSS1]] = { {{.*}} "split-stack" {{.*}} }26// CHECK-SEGSTK-NOT: [[NSS2]] = { {{.*}} "split-stack" {{.*}} }27 28// CHECK-NOSEGSTK: define dso_local noundef i32 @_Z3foov() [[NSS0:#[0-9]+]] {29// CHECK-NOSEGSTK: define dso_local noundef i32 @_Z7nosplitv() [[NSS1:#[0-9]+]] {30// CHECK-NOSEGSTK: define linkonce_odr dso_local noundef i32 @_Z8tnosplitIiEiv() [[NSS0]] comdat {31// CHECK-NOSEGSTK-NOT: [[NSS0]] = { {{.*}} "split-stack" {{.*}} }32// CHECK-NOSEGSTK-NOT: [[NSS1]] = { {{.*}} "split-stack" {{.*}} }33