| Peter Collingbourne | b4728c1 | 2014-05-19 22:14:34 +0000 | [diff] [blame] | 1 | // RUN: %clang -target x86_64-linux-gnu -fsplit-stack -S -std=c++11 %s -emit-llvm -o - | FileCheck -check-prefix=CHECK-SEGSTK %s |
| 2 | // RUN: %clang -target x86_64-linux-gnu -S -std=c++11 %s -emit-llvm -o - | FileCheck -check-prefix=CHECK-NOSEGSTK %s |
| 3 | |
| 4 | int foo() { |
| 5 | return 0; |
| 6 | } |
| 7 | |
| 8 | template <typename T> |
| 9 | [[gnu::no_split_stack]] |
| 10 | int tnosplit() { |
| 11 | return 0; |
| 12 | } |
| 13 | |
| 14 | [[gnu::no_split_stack]] |
| 15 | int nosplit() { |
| 16 | return tnosplit<int>(); |
| 17 | } |
| 18 | |
| 19 | // CHECK-SEGSTK: define i32 @_Z3foov() [[SS:#[0-9]+]] { |
| 20 | // CHECK-SEGSTK: define i32 @_Z7nosplitv() [[NSS1:#[0-9]+]] { |
| Rafael Espindola | 0d4fb98 | 2015-01-12 22:13:53 +0000 | [diff] [blame] | 21 | // CHECK-SEGSTK: define linkonce_odr i32 @_Z8tnosplitIiEiv() [[NSS2:#[0-9]+]] comdat { |
| Peter Collingbourne | b4728c1 | 2014-05-19 22:14:34 +0000 | [diff] [blame] | 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 i32 @_Z3foov() [[NSS0:#[0-9]+]] { |
| 29 | // CHECK-NOSEGSTK: define i32 @_Z7nosplitv() [[NSS1:#[0-9]+]] { |
| Rafael Espindola | 0d4fb98 | 2015-01-12 22:13:53 +0000 | [diff] [blame] | 30 | // CHECK-NOSEGSTK: define linkonce_odr i32 @_Z8tnosplitIiEiv() [[NSS2:#[0-9]+]] comdat { |
| Peter Collingbourne | b4728c1 | 2014-05-19 22:14:34 +0000 | [diff] [blame] | 31 | // CHECK-NOSEGSTK-NOT: [[NSS1]] = { {{.*}} "split-stack" {{.*}} } |
| 32 | // CHECK-NOSEGSTK-NOT: [[NSS2]] = { {{.*}} "split-stack" {{.*}} } |
| 33 | // CHECK-NOSEGSTK-NOT: [[NSS3]] = { {{.*}} "split-stack" {{.*}} } |