Viewing file: phi-opt-5.c (1.77 KB) -rw-r--r-- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
/* { dg-do compile } */ /* { dg-options "-O1 -ffinite-math-only -fno-signed-zeros -fdump-tree-phiopt" } */
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>; */
/* phiopt1 confused by predictors. */ /* { dg-final { scan-tree-dump "varx.*MIN_EXPR.*1\\.0" "phiopt1" { xfail *-*-* } } } */ /* { dg-final { scan-tree-dump "varx.*MAX_EXPR.*0\\.0" "phiopt1" { xfail *-*-* } } } */ /* { dg-final { scan-tree-dump "varx.*MIN_EXPR.*1\\.0" "phiopt2"} } */ /* { dg-final { scan-tree-dump "varx.*MAX_EXPR.*0\\.0" "phiopt2"} } */
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>; */
/* phiopt1 confused by predictors. */ /* { dg-final { scan-tree-dump "vary.*MAX_EXPR.*0\\.0" "phiopt1" { xfail *-*-* } } } */ /* { dg-final { scan-tree-dump "vary.*MIN_EXPR.*1\\.0" "phiopt1" { xfail *-*-* } } } */ /* { dg-final { scan-tree-dump "vary.*MAX_EXPR.*0\\.0" "phiopt2"} } */ /* { dg-final { scan-tree-dump "vary.*MIN_EXPR.*1\\.0" "phiopt2"} } */
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>; */
/* phiopt1 confused by predictors. */ /* { dg-final { scan-tree-dump "vara.*MAX_EXPR" "phiopt1" { xfail *-*-* } } } */ /* { dg-final { scan-tree-dump "if .*varz" "phiopt2"} } */ /* { dg-final { scan-tree-dump "vara.*MAX_EXPR" "phiopt2"} } */
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