crash_netbsd_decompress.ll 1.7 KB

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  1. ; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7
  2. target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
  3. target triple = "x86_64-apple-macosx10.8.0"
  4. %struct.DState = type { i32, i32 }
  5. @b = common global %struct.DState zeroinitializer, align 4
  6. @d = common global i32 0, align 4
  7. @c = common global i32 0, align 4
  8. @a = common global i32 0, align 4
  9. @e = common global i32 0, align 4
  10. define i32 @fn1() {
  11. entry:
  12. %0 = load i32, i32* getelementptr inbounds (%struct.DState, %struct.DState* @b, i32 0, i32 0), align 4
  13. %1 = load i32, i32* getelementptr inbounds (%struct.DState, %struct.DState* @b, i32 0, i32 1), align 4
  14. %2 = load i32, i32* @d, align 4
  15. %cond = icmp eq i32 %2, 0
  16. br i1 %cond, label %sw.bb, label %save_state_and_return
  17. sw.bb: ; preds = %entry
  18. %3 = load i32, i32* @c, align 4
  19. %and = and i32 %3, 7
  20. store i32 %and, i32* @a, align 4
  21. switch i32 %and, label %if.end [
  22. i32 7, label %save_state_and_return
  23. i32 0, label %save_state_and_return
  24. ]
  25. if.end: ; preds = %sw.bb
  26. br label %save_state_and_return
  27. save_state_and_return: ; preds = %sw.bb, %sw.bb, %if.end, %entry
  28. %t.0 = phi i32 [ 0, %if.end ], [ %0, %entry ], [ %0, %sw.bb ], [ %0, %sw.bb ]
  29. %f.0 = phi i32 [ 0, %if.end ], [ %1, %entry ], [ 0, %sw.bb ], [ 0, %sw.bb ]
  30. store i32 %t.0, i32* getelementptr inbounds (%struct.DState, %struct.DState* @b, i32 0, i32 0), align 4
  31. store i32 %f.0, i32* getelementptr inbounds (%struct.DState, %struct.DState* @b, i32 0, i32 1), align 4
  32. ret i32 undef
  33. }