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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [phi-opt-5.c] - Blame information for rev 12

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Line No. Rev Author Line
1 12 jlechner 
/* { dg-do compile } */
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/* { dg-options "-O1 -ffinite-math-only -fdump-tree-phiopt1" } */
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float repl1 (float varx)
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{
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  if (varx < 0.0)
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    return 0.0;
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  else if (varx > 1.0)
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    return 1.0;
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  else
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    return varx;
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}
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/* Should be turned to
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   varx_4 = MIN_EXPR <1.0e+0, varx_2>;
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   varx_5 = MAX_EXPR <varx_4, 0.0>;  */
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/* { dg-final { scan-tree-dump "varx.*MIN_EXPR.*1\\.0" "phiopt1"} } */
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/* { dg-final { scan-tree-dump "varx.*MAX_EXPR.*0\\.0" "phiopt1"} } */
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float repl2 (float vary)
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{
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  if (vary > 1.0)
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    return 1.0;
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  else if (vary < 0.0)
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    return 0.0;
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  else
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    return vary;
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}
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/* Should be turned to
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   vary_4 = MAX_EXPR <0.0, vary_2>;
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   vary_5 = MIN_EXPR <vary_4, 1.0e+0>;  */
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/* { dg-final { scan-tree-dump "vary.*MAX_EXPR.*0\\.0" "phiopt1"} } */
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/* { dg-final { scan-tree-dump "vary.*MIN_EXPR.*1\\.0" "phiopt1"} } */
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float repl3 (float varz, float vara, float varb)
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{
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  if (varz > vara)
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    return vara;
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  else if (varz < varb)
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    return varb;
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  else
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    return varz;
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}
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/* Should be turned to
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  if (varz_2 > vara_3) goto <L4>; else goto <L1>;
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<L1>:;
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  vara_6 = MAX_EXPR <varb_5, varz_2>;  */
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/* { dg-final { scan-tree-dump "if .*varz" "phiopt1"} } */
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/* { dg-final { scan-tree-dump "vara.*MAX_EXPR" "phiopt1"} } */
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/* { dg-final { cleanup-tree-dump "phiopt1" } } */

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