bolt/test/runtime/X86/instrumentation-xmm.c

   1 #include <stdio.h>
   2
   3 void foo(float a) {
   4   printf("a = %f\n", a);
   5 }
   6
   7 typedef void (*fptr_t)(float);
   8 fptr_t func = foo;
   9
  10 int main() {
  11   func(42);
  12   return 0;
  13 }
  14
  15 /*
  16 ## Check that BOLT instrumentation runtime preserves xmm registers.
  17
  18 REQUIRES: system-linux,bolt-runtime
  19
  20 RUN: %clang %cflags %s -o %t.exe -fno-inline -Wl,-q
  21 RUN: llvm-bolt %t.exe --instrument -o %t.instrumented \
  22 RUN:   --instrumentation-file=%t.fdata
  23 RUN: %t.instrumented | FileCheck %s
  24
  25 CHECK: a = 42.000000
  26 */