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| author | Richard Biener <rguenther@suse.de> | 2020-02-25 12:19:33 +0100 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2020-02-25 12:21:24 +0100 |
| commit | 81ef67c10a3db7d789c7be653dba0a6e6a3e9958 (patch) | |
| tree | ee03c1b11303ebececd85eba355dc23a4ef8a49f | |
| parent | 8bc6d0a2da6134e4108703bde6e401efcf5ca544 (diff) | |
| download | gcc-81ef67c10a3db7d789c7be653dba0a6e6a3e9958.zip gcc-81ef67c10a3db7d789c7be653dba0a6e6a3e9958.tar.gz gcc-81ef67c10a3db7d789c7be653dba0a6e6a3e9958.tar.bz2 | |
testcase for last_vuse in FRE
This adds a testcase for some basic FRE functionality.
2020-02-25 Richard Biener <rguenther@suse.de>
* gcc.dg/tree-ssa/ssa-fre-86.c: New testcase.
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-86.c | 20 |
2 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index d25296d..10bbb73 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,9 @@ 2020-02-25 Richard Biener <rguenther@suse.de> + * gcc.dg/tree-ssa/ssa-fre-86.c: New testcase. + +2020-02-25 Richard Biener <rguenther@suse.de> + PR tree-optimization/93868 * gcc.dg/torture/pr93868.c: New testcase. diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-86.c b/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-86.c new file mode 100644 index 0000000..d3da22c --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-86.c @@ -0,0 +1,20 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-fre1" } */ + +int foo(int *p, int b, float *q) +{ + int tem; + if (b) + { + *q = 0; + tem = *p; + } + else + { + *q = 1; + tem = *p; + } + return *p - tem; +} + +/* { dg-final { scan-tree-dump "return 0;" "fre1" } } */ |