Cleanup feels good! Big work coming up this week.

1 files changed, 0 insertions, 165 deletions

diff --git a/tinycc/tests/tests2/87_dead_code.c b/tinycc/tests/tests2/87_dead_code.c
deleted file mode 100644
index 369f4ba..0000000
--- a/tinycc/tests/tests2/87_dead_code.c
+++ /dev/null
@@ -1,165 +0,0 @@
-/* This checks various ways of dead code inside if statements
-   where there are non-obvious ways of how the code is actually
-   not dead due to reachable by labels.  */
-extern int printf (const char *, ...);
-static void kb_wait_1(void)
-{
-  unsigned long timeout = 2;
-  do {
-      /* Here the else arm is a statement expression that's supposed
-         to be suppressed.  The label inside the while would unsuppress
-	 code generation again if not handled correctly.  And that
-	 would wreak havoc to the cond-expression because there's no
-	 jump-around emitted, the whole statement expression really
-	 needs to not generate code (perhaps except useless forward jumps).  */
-      (1 ? 
-       printf("timeout=%ld\n", timeout) :
-       ({
-	int i = 1;
-	while (1)
-	  while (i--)
-	    some_label:
-	      printf("error\n");
-	goto some_label;
-	})
-      );
-      timeout--;
-  } while (timeout);
-}
-
-static int global;
-
-static void foo(int i)
-{
-  global+=i;
-  printf ("g=%d\n", global);
-}
-
-static int check(void)
-{
-  printf ("check %d\n", global);
-  return 1;
-}
-
-static void dowhile(void)
-{
-  do {
-      foo(1);
-      if (global == 1) {
-	  continue;
-      } else if (global == 2) {
-	  continue;
-      }
-      /* The following break shouldn't disable the check() call,
-         as it's reachable by the continues above.  */
-      break;
-  } while (check());
-}
-
-static void nondead_after_dead_return(void)
-{
-  /* This statement expr is not entered, and hence that fact that it
-     doesn't fall-through should not influence the surrounding code.  */
-  0 && ({ return; 0;});
-  printf ("nondead works\n");
-  return;
-}
-
-int main (void)
-{
-  int i = 1;
-  kb_wait_1();
-
-  /* Simple test of dead code at first sight which isn't actually dead. */
-  if (0) {
-yeah:
-      printf ("yeah\n");
-  } else {
-      printf ("boo\n");
-  }
-  if (i--)
-    goto yeah;
-
-  /* Some more non-obvious uses where the problems are loops, so that even
-     the first loop statements aren't actually dead.  */
-  i = 1;
-  if (0) {
-      while (i--) {
-	  printf ("once\n");
-enterloop:
-	  printf ("twice\n");
-      }
-  }
-  if (i >= 0)
-    goto enterloop;
-
-  /* The same with statement expressions.  One might be tempted to
-     handle them specially by counting if inside statement exprs and
-     not unsuppressing code at loops at all then.
-     See kb_wait_1 for the other side of the medal where that wouldn't work.  */
-  i = ({
-      int j = 1;
-      if (0) {
-	  while (j--) {
-	      printf ("SEonce\n");
-    enterexprloop:
-	      printf ("SEtwice\n");
-	  }
-      }
-      if (j >= 0)
-	goto enterexprloop;
-      j; });
-
-  /* The other two loop forms: */
-  i = 1;
-  if (0) {
-      for (i = 1; i--;) {
-	  printf ("once2\n");
-enterloop2:
-	  printf ("twice2\n");
-      }
-  }
-  if (i > 0)
-    goto enterloop2;
-
-  i = 1;
-  if (0) {
-      do {
-	  printf ("once3\n");
-enterloop3:
-	  printf ("twice3\n");
-      } while (i--);
-  }
-  if (i > 0)
-    goto enterloop3;
-
-  /* And check that case and default labels have the same effect
-     of disabling code suppression.  */
-  i = 41;
-  switch (i) {
-      if (0) {
-	  printf ("error\n");
-      case 42:
-	  printf ("error2\n");
-      case 41:
-	  printf ("caseok\n");
-      }
-  }
-
-  i = 41;
-  switch (i) {
-      if (0) {
-	  printf ("error3\n");
-      default:
-	  printf ("caseok2\n");
-	  break;
-      case 42:
-	  printf ("error4\n");
-      }
-  }
-
-  dowhile();
-  nondead_after_dead_return();
-
-  return 0;
-}