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/* { dg-do compile } */
/* { dg-options "-O1 -ffinite-math-only -fno-signed-zeros -fdump-tree-phiopt1" } */
float repl1 (float varx)
{
if (varx < 0.0)
return 0.0;
else if (varx > 1.0)
return 1.0;
else
return varx;
}
/* Should be turned to
varx_4 = MIN_EXPR <1.0e+0, varx_2>;
varx_5 = MAX_EXPR <varx_4, 0.0>; */
/* { dg-final { scan-tree-dump "varx.*MIN_EXPR.*1\\.0" "phiopt1"} } */
/* { dg-final { scan-tree-dump "varx.*MAX_EXPR.*0\\.0" "phiopt1"} } */
float repl2 (float vary)
{
if (vary > 1.0)
return 1.0;
else if (vary < 0.0)
return 0.0;
else
return vary;
}
/* Should be turned to
vary_4 = MAX_EXPR <0.0, vary_2>;
vary_5 = MIN_EXPR <vary_4, 1.0e+0>; */
/* { dg-final { scan-tree-dump "vary.*MAX_EXPR.*0\\.0" "phiopt1"} } */
/* { dg-final { scan-tree-dump "vary.*MIN_EXPR.*1\\.0" "phiopt1"} } */
float repl3 (float varz, float vara, float varb)
{
if (varz > vara)
return vara;
else if (varz < varb)
return varb;
else
return varz;
}
/* Should be turned to
if (varz_2 > vara_3) goto <L4>; else goto <L1>;
<L1>:;
vara_6 = MAX_EXPR <varb_5, varz_2>; */
/* { dg-final { scan-tree-dump "if .*varz" "phiopt1"} } */
/* { dg-final { scan-tree-dump "vara.*MAX_EXPR" "phiopt1"} } */
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