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| author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
|---|---|---|
| committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
| commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
| tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr21086.c | |
| parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
| download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip | |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr21086.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr21086.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr21086.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr21086.c new file mode 100644 index 000000000..f924d26cc --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr21086.c @@ -0,0 +1,24 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-vrp1 -fdump-tree-dce1" } */ + +int +foo (int *p) +{ + int a = *p; + int b = p != 0; + + *p = b; + + if (b) + return a; + else + return 0; +} + +/* Target with fno-delete-null-pointer-checks should not fold checks */ +/* { dg-final { scan-tree-dump "Folding predicate " "vrp1" { target { ! keeps_null_pointer_checks } } } } */ +/* { dg-final { scan-tree-dump-times "Folding predicate " 0 "vrp1" { target { keeps_null_pointer_checks } } } } */ +/* { dg-final { scan-tree-dump-not "b_. =" "dce1" { target { ! avr-*-* } } } } */ +/* { dg-final { scan-tree-dump "b_. =" "dce1" { target { avr-*-* } } } } */ +/* { dg-final { cleanup-tree-dump "vrp1" } } */ +/* { dg-final { cleanup-tree-dump "dce1" } } */ |