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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/loadpre10.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/loadpre10.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/loadpre10.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/loadpre10.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/loadpre10.c new file mode 100644 index 000000000..4147a702a --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/loadpre10.c @@ -0,0 +1,49 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-pre-stats" } */ +struct tree_common +{ + int code; +}; +union tree_node +{ + struct tree_common common; +}; +typedef union tree_node *tree; + +extern tree test (tree, int, int); +extern tree foo (void); +extern void abort (void) __attribute__ ((__noreturn__)); + +/* Redundant loads of expr->common.code */ +tree +test (tree expr, int t, int D17630) +{ + int __i; + +L0: + if (expr->common.code != 142) goto L23; else goto L2; + +L2: + __i = 0; + goto L10; + +L10: + __i = __i + 1; + if (D17630 != __i) goto L8; else goto L19; + +L8: + if (t) goto L15; else goto L10; + +L15: + expr = foo (); + if (expr->common.code != 142) goto L23; else goto L0; + +L19: + abort (); + +L23: + return expr; +} +/* { dg-final { scan-tree-dump-times "Eliminated: 1" 1 "pre"} } */ +/* { dg-final { cleanup-tree-dump "pre" } } */ + |