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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/sra-13.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/sra-13.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/sra-13.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/sra-13.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/sra-13.c new file mode 100644 index 000000000..d4aa47a05 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/sra-13.c @@ -0,0 +1,114 @@ +/* Test that SRA replacement can deal with assignments that have + sub-replacements on one side and a single scalar replacement on another. */ +/* { dg-do run } */ +/* { dg-options "-O1" } */ + +struct A +{ + int i1, i2; +}; + +struct B +{ + long long int l; +}; + +union U +{ + struct A a; + struct B b; +}; + +int b, gi; +long gl; +union U gu1, gu2; + +int __attribute__ ((noinline, noclone)) +foo (void) +{ + union U x, y; + int r; + + y = gu1; + if (b) + y.b.l = gl; + + x = y; + + if (!b) + r = x.a.i1; + else + r = 0; + + gu2 = x; + return r; +} + +long long int __attribute__ ((noinline, noclone)) +bar (void) +{ + union U x, y; + int r; + + y = gu1; + if (b) + y.a.i1 = gi; + + x = y; + + if (!b) + r = x.b.l; + else + r = 0; + + gu2 = x; + return r; +} + + +int +main (void) +{ + int r; + long long int s; + + b = 0; + gu1.a.i1 = 123; + gu1.a.i2 = 234; + r = foo (); + if (r != 123) + __builtin_abort (); + if (gu2.a.i1 != 123) + __builtin_abort (); + if (gu2.a.i2 != 234) + __builtin_abort (); + + b = 1; + gl = 10000001; + gu1.b.l = 10000000; + r = foo (); + if (r != 0) + __builtin_abort (); + if (gu2.b.l != 10000001) + __builtin_abort (); + + b = 0; + gu1.b.l = 20000000; + s = bar (); + if (s != (int)20000000) + __builtin_abort (); + if (gu2.b.l != 20000000) + __builtin_abort (); + + b = 1; + gi = 456; + gu1.a.i1 = 123; + gu1.a.i2 = 234; + s = bar (); + if (s != 0) + __builtin_abort (); + if (gu2.a.i1 != 456) + __builtin_abort (); + + return 0; +} |