diff options
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/phi-opt-2.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/phi-opt-2.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-2.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-2.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-2.c new file mode 100644 index 000000000..3d34ef3f6 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-2.c @@ -0,0 +1,25 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -fdump-tree-optimized" } */ +/* { dg-additional-options "-mbranch-cost=1" { target { i?86-*-* x86_64-*-* mips*-*-* s390*-*-* avr*-*-* } } } */ + +_Bool f1(_Bool a, _Bool b) +{ + if (a) + { + if (b) + return 1; + else + return 0; + } + return 0; +} + + +/* There should be only one if, the outer one; the inner one + should have been changed to straight line code with the + value of b (except that we don't fold ! (b != 0) into b + which can be fixed in a different patch). + Test this only when known to be !LOGICAL_OP_NON_SHORT_CIRCUIT, + otherwise ifcombine may convert this into return a & b;. */ +/* { dg-final { scan-tree-dump-times "if" 1 "optimized" { target { i?86-*-* x86_64-*-* mips*-*-* s390*-*-* avr*-*-* } } } } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ |