16b4eb0b9SAmir Ayupov /* Checks that BOLT correctly handles instrumentation of executables built 26b4eb0b9SAmir Ayupov * with PIE with further optimization. 36b4eb0b9SAmir Ayupov */ 46b4eb0b9SAmir Ayupov #include <stdio.h> 56b4eb0b9SAmir Ayupov foo(int x)66b4eb0b9SAmir Ayupovint foo(int x) { return x + 1; } 76b4eb0b9SAmir Ayupov fib(int x)86b4eb0b9SAmir Ayupovint fib(int x) { 96b4eb0b9SAmir Ayupov if (x < 2) 106b4eb0b9SAmir Ayupov return x; 116b4eb0b9SAmir Ayupov return fib(x - 1) + fib(x - 2); 126b4eb0b9SAmir Ayupov } 136b4eb0b9SAmir Ayupov bar(int x)146b4eb0b9SAmir Ayupovint bar(int x) { return x - 1; } 156b4eb0b9SAmir Ayupov main(int argc,char ** argv)166b4eb0b9SAmir Ayupovint main(int argc, char **argv) { 176b4eb0b9SAmir Ayupov printf("fib(%d) = %d\n", argc, fib(argc)); 186b4eb0b9SAmir Ayupov return 0; 196b4eb0b9SAmir Ayupov } 206b4eb0b9SAmir Ayupov 216b4eb0b9SAmir Ayupov /* 220559dab5SRafael Auler REQUIRES: system-linux,bolt-runtime 236b4eb0b9SAmir Ayupov 246b4eb0b9SAmir Ayupov RUN: %clang %cflags %s -o %t.exe -Wl,-q -pie -fpie 256b4eb0b9SAmir Ayupov 26*d648aa1bSMaksim Panchenko RUN: llvm-bolt %t.exe --instrument --instrumentation-file=%t.fdata \ 276b4eb0b9SAmir Ayupov RUN: -o %t.instrumented 286b4eb0b9SAmir Ayupov 296b4eb0b9SAmir Ayupov # Instrumented program needs to finish returning zero 306b4eb0b9SAmir Ayupov RUN: %t.instrumented 1 2 3 | FileCheck %s -check-prefix=CHECK-OUTPUT 316b4eb0b9SAmir Ayupov 326b4eb0b9SAmir Ayupov # Test that the instrumented data makes sense 33*d648aa1bSMaksim Panchenko RUN: llvm-bolt %t.exe -o %t.bolted --data %t.fdata \ 34*d648aa1bSMaksim Panchenko RUN: --reorder-blocks=ext-tsp --reorder-functions=hfsort+ 356b4eb0b9SAmir Ayupov 366b4eb0b9SAmir Ayupov RUN: %t.bolted 1 2 3 | FileCheck %s -check-prefix=CHECK-OUTPUT 376b4eb0b9SAmir Ayupov 386b4eb0b9SAmir Ayupov CHECK-OUTPUT: fib(4) = 3 396b4eb0b9SAmir Ayupov */ 40