| 1 | // Check that llvm-bolt pushes code to higher addresses under |
| 2 | // --hot-functions-at-end when rewriting code in-place. |
| 3 | |
| 4 | // REQUIRES: system-linux |
| 5 | |
| 6 | // RUN: %clang %cflags -O0 %s -o %t -no-pie -Wl,-q -falign-functions=64 \ |
| 7 | // RUN: -nostartfiles -nostdlib -ffreestanding |
| 8 | // RUN: llvm-bolt %t -o %t.bolt --use-old-text --align-functions=1 \ |
| 9 | // RUN: --no-huge-pages --align-text=1 --use-gnu-stack --hot-functions-at-end \ |
| 10 | // RUN: | FileCheck %s --check-prefix=CHECK-BOLT |
| 11 | // RUN: llvm-readelf --sections %t.bolt | FileCheck %s |
| 12 | |
| 13 | // CHECK-BOLT: using original .text for new code with 0x1 alignment at {{.*}} |
| 14 | |
| 15 | // As .text is pushed higher, preceding .bolt.org.text should have non-zero |
| 16 | // size. |
| 17 | // CHECK: .bolt.org.text PROGBITS |
| 18 | // CHECK-NOT: {{ 000000 }} |
| 19 | // CHECK-SAME: AX |
| 20 | // CHECK-NEXT: .text PROGBITS |
| 21 | |
| 22 | int foo() { return 0; } |
| 23 | |
| 24 | int main() { return foo(); } |
| 25 | |