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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/pr20913.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/pr20913.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr20913.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr20913.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr20913.c new file mode 100644 index 000000000..fb5461a26 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr20913.c @@ -0,0 +1,34 @@ +/* PR tree-optimization/20913 + COPY-PROP did not fold COND_EXPR, blocking some copy propagation + opportunities. */ + +/* { dg-do link } */ +/* { dg-options "-O2 -fno-tree-dominator-opts" } */ + +int +foo (int a, int b, int c, int d) +{ + int x, y; + + b = a; + if (a == b) + x = c; + else + { + link_error (); + x = d; + } + + if (x == c) + return a; + else + { + link_error (); + return b; + } +} + +main() +{ + foo (1, 2, 3, 4); +} |