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re PR tree-optimization/90106 (builtin sqrt() ignoring libm's sqrt call result)

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PR tree-optimization/90106
	* gcc.dg/cdce3.c: New test.

From-SVN: r271319
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Jun Ma 2019-05-17 10:13:29 +00:00 committed by Jun Ma
parent f4debcd1e8
commit 35ee7f5468
2 changed files with 16 additions and 0 deletions
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5
gcc/testsuite/ChangeLog
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2019-05-17 Jun Ma <JunMa@linux.alibaba.com>
PR tree-optimization/90106
* gcc.dg/cdce3.c: New test.
2019-05-17 Andreas Krebbel <krebbel@linux.ibm.com>
* gcc.target/s390/zvector/vec-sldw.c: New test.

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gcc/testsuite/gcc.dg/cdce3.c Normal file
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/* { dg-do compile } */
/* { dg-options "-O2 -fmath-errno -fdump-tree-cdce-details -fdump-tree-optimized" } */
/* { dg-final { scan-tree-dump "cdce3.c:9: \[^\n\r]* function call is shrink-wrapped into error conditions\." "cdce" } } */
/* { dg-final { scan-tree-dump "sqrtf \\(\[^\n\r]*\\); \\\[tail call\\\]" "optimized" } } */
float sqrtf (float);
float foo (float x)
{
return sqrtf (x);
}