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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-switchconv -mbmi" } */
/* Checks that when exponential index transform is viable but switch conversion
decides that the switch cannot be converted, the exponential index transform
is not done. */
int a;
int foo(unsigned bar)
{
switch (bar)
{
case (1 << 0):
return 0;
case (1 << 1):
return 1;
case (1 << 2):
return 2;
case (1 << 3):
return 3;
case (1 << 4):
return 4;
case (1 << 5):
a = 3;
return 5;
case (1 << 6):
return 6;
default:
return 0;
}
}
/* { dg-final { scan-tree-dump "Exponential index transform viable" "switchconv" } } */
/* { dg-final { scan-tree-dump-not "Applying exponential index transform" "switchconv" } } */
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