Mercurial > hg > CbC > CbC_gcc
diff gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-20.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-20.c Fri Oct 27 22:46:09 2017 +0900 @@ -0,0 +1,34 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-pre-stats -fno-tree-loop-im" } */ + +double pcheck; + +void foo(int n, int m, int b) +{ + int i, j; + + goto bb18; + +start: + i = 1; + do { + j = 1; + do { + double x = pcheck; + x = x + 1; + pcheck = x; + j = j + 1; + } while (j != m); + i = i + 1; + } while (i != n); + +bb18: + pcheck = 0.0; + goto start; +} + +/* We should have inserted two PHI nodes and the one in the i-loop + should have 0.0 in the argument coming from the bb18 block. */ + +/* { dg-final { scan-tree-dump "New PHIs: 2" "pre" } } */ +/* { dg-final { scan-tree-dump "PHI <.*0\\\.0" "pre" } } */