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/* { dg-do compile } */
/* { dg-options "-Os" } */
/* This testcase verifies that a uint8_t variable assigned from a wider variable
with the same range is held in a single register. VRP must not fold away the
conversion and use two regs to hold the uint16_t - widenings are ok only upto
word mode (1 byte for AVR).
*/
unsigned int foo(const unsigned int wvalue)
{
const unsigned char type = (wvalue >> 8);
unsigned int size = 0;
if (type == 1)
{
size = 20;
}
return size;
}
/* { dg-final { scan-assembler "cpi r25,lo8\\(1\\)" } } */
/* { dg-final { scan-assembler-not "cpc r\\d+,__zero_reg__" } } */
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