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Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-13.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-13.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-13.c b/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-13.c new file mode 100644 index 00000000000..37fba692f27 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-13.c @@ -0,0 +1,32 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -fscalar-evolutions -fdump-tree-scev-details" } */ + +int foo (void); + +int main (void) +{ + int a = -100; + int b = 2; + int c = 3; + + while (a) + { + /* Exercises if-phi-nodes. */ + if (foo ()) + a += b; + else + a += c; + + b++; + c++; + } +} + +/* The analyzer has to detect the following evolution function: + a -> {-100, +, {[2, 3], +, 1}_1}_1 +*/ + +/* FIXME. */ + + + |