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/* { dg-options "-O2 -fno-signed-zeros -fdump-tree-phiopt" } */
float f0(float A)
{
// A == 0? A : -A same as -A
if (A == 0) return A;
return -A;
}
float f1(float A)
{
// A != 0? A : -A same as A
if (A != 0) return A;
return -A;
}
float f2(float A)
{
// A >= 0? A : -A same as abs (A)
if (A >= 0) return A;
return -A;
}
float f3(float A)
{
// A > 0? A : -A same as abs (A)
if (A > 0) return A;
return -A;
}
float f4(float A)
{
// A <= 0? A : -A same as -abs (A)
if (A <= 0) return A;
return -A;
}
float f5(float A)
{
// A < 0? A : -A same as -abs (A)
if (A < 0) return A;
return -A;
}
/* f4 and f5 are not allowed to be optimized in early phi-opt. */
/* { dg-final { scan-tree-dump-times "if" 2 "phiopt1" } } */
/* { dg-final { scan-tree-dump-not "if" "phiopt2" } } */
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