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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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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/ssa-ccp-17.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/ssa-ccp-17.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-17.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-17.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-17.c new file mode 100644 index 000000000..338d8a862 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-17.c @@ -0,0 +1,32 @@ +/* { dg-do compile } */ +/* { dg-options "-O -fdump-tree-ccp1" } */ + +int foo(void) +{ + int i = 0; + char *p = (char *)&i; + return *(int *)p; +} + +struct Foo { + int i; +} f; + +int bar(void) +{ + char *p = (char *)&f; + return ((struct Foo *)p)->i; +} + +extern const struct Foo g; + +int foobar(void) +{ + struct Foo *p = (struct Foo *)&g; + return ((const struct Foo *)p)->i; +} + +/* { dg-final { scan-tree-dump "= i_.;" "ccp1" } } */ +/* { dg-final { scan-tree-dump "= f.i;" "ccp1" } } */ +/* { dg-final { scan-tree-dump "= g.i;" "ccp1" } } */ +/* { dg-final { cleanup-tree-dump "ccp1" } } */ |