blob: 6c51f4c8cfb0b59dc97f29c89f2507ce2e3ba5fa [file] [log] [blame]
/* Checks that BOLT correctly handles instrumentation of executables built
* with PIE with further optimization.
*/
#include <stdio.h>
int foo(int x) { return x + 1; }
int fib(int x) {
if (x < 2)
return x;
return fib(x - 1) + fib(x - 2);
}
int bar(int x) { return x - 1; }
int main(int argc, char **argv) {
printf("fib(%d) = %d\n", argc, fib(argc));
return 0;
}
/*
REQUIRES: system-linux,bolt-runtime
RUN: %clang %cflags %s -o %t.exe -Wl,-q -pie -fpie
RUN: llvm-bolt %t.exe --instrument --instrumentation-file=%t.fdata \
RUN: -o %t.instrumented
# Instrumented program needs to finish returning zero
RUN: %t.instrumented 1 2 3 | FileCheck %s -check-prefix=CHECK-OUTPUT
# Test that the instrumented data makes sense
RUN: llvm-bolt %t.exe -o %t.bolted --data %t.fdata \
RUN: --reorder-blocks=ext-tsp --reorder-functions=hfsort+
RUN: %t.bolted 1 2 3 | FileCheck %s -check-prefix=CHECK-OUTPUT
CHECK-OUTPUT: fib(4) = 3
*/