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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-switchconv -mbmi" } */
/* Checks that exponential index transform enables switch conversion to convert
this switch into an array lookup. */
int foo(unsigned bar)
{
switch (bar)
{
case (1 << 0):
return 1;
case (1 << 1):
return 2;
case (1 << 2):
return 3;
case (1 << 3):
return 4;
case (1 << 4):
return 8;
case (1 << 5):
return 13;
case (1 << 6):
return 21;
default:
return 0;
}
}
/* { dg-final { scan-tree-dump "CSWTCH" "switchconv" } } */
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