sdcc/support/regression/tests/bug-3478.c

   1 /* bug-3478.c
   2    A peephole optimizer issue destroyed a jump table.
   3  */
   4
   5 #include <testfwk.h>
   6
   7 // Based on code by "Under4Mhz" licensed under GPL 2.0 or later
   8
   9 #include <string.h>
  10 #include <stdio.h>
  11 #include <stdint.h>
  12 #include <stdbool.h>
  13
  14 typedef enum {
  15
  16     blockWoodLeft,
  17     blockWood,
  18     blockWoodRight,
  19     blockWoodUnderLeft,
  20     blockWoodOverLeft,
  21     blockWoodUnderRight,
  22     blockWoodOverRight,
  23     blockEscalatorLeft,
  24     blockEscalatorMoveLeft,
  25     blockEscalatorMoveRight,
  26     blockEscalatorRight,
  27     blockJumpLeft,
  28     blockJumpRight,
  29
  30 } Blocks;
  31
  32 bool IsFloor( uint8_t tile ) {
  33
  34     switch( tile ) {
  35
  36         case blockWood:
  37         case blockWoodRight:
  38         case blockWoodUnderLeft:
  39         case blockWoodOverLeft:
  40         case blockWoodUnderRight:
  41         case blockWoodOverRight:
  42         case blockEscalatorLeft:
  43         case blockEscalatorMoveLeft:
  44         case blockEscalatorMoveRight:
  45         case blockEscalatorRight:
  46         case blockJumpLeft:
  47         case blockJumpRight:
  48             return true;
  49     }
  50
  51     return false;
  52 }
  53
  54 void
  55 testBug(void) {
  56     ASSERT( IsFloor(blockJumpRight) == true );
  57     ASSERT( IsFloor(blockJumpLeft) == true );
  58 }
  59