25 lines · c
1// Check that llvm-bolt pushes code to higher addresses under2// --hot-functions-at-end when rewriting code in-place.3 4// REQUIRES: system-linux5 6// RUN: %clang %cflags -O0 %s -o %t -no-pie -Wl,-q -falign-functions=64 \7// RUN: -nostartfiles -nostdlib -ffreestanding8// 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-BOLT11// RUN: llvm-readelf --sections %t.bolt | FileCheck %s12 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-zero16// size.17// CHECK: .bolt.org.text PROGBITS18// CHECK-NOT: {{ 000000 }}19// CHECK-SAME: AX20// CHECK-NEXT: .text PROGBITS21 22int foo() { return 0; }23 24int main() { return foo(); }25