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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-5.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-5.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/sra-5.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/sra-5.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/sra-5.c new file mode 100644 index 000000000..869d2f55f --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/sra-5.c @@ -0,0 +1,74 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -fdump-tree-optimized" } */ + +/* Tests for SRA of unions. */ + + +typedef union testunion +{ + double d; + char f1; +} testunion; + +void +copyunion1 (testunion param) +{ + testunion local; + param.f1 = 0; + local = param; + if (local.f1 != 0) + link_error (); +} + +void +copyunion11 (testunion *param) +{ + testunion local; + param->f1 = 0; + local = *param; + if (local.f1 != 0) + link_error (); +} + +void +copyunion111 (testunion param) +{ + testunion *local = ¶m; + param.f1 = 0; + if (local->f1 != 0) + link_error (); +} + +testunion globuf; +void +copyunion1111 (void) +{ + testunion local; + globuf.f1 = 0; + local = globuf; + if (local.f1 != 0) + link_error (); +} + +void +copyunion11111 (void) +{ + testunion *local = &globuf; + globuf.f1 = 0; + if (local->f1 != 0) + link_error (); +} + +void +copyunion111111 (testunion param) +{ + static testunion local; + param.f1 = 0; + local = param; + if (local.f1 != 0) + link_error (); +} + +/* There should be no reference to link_error. */ +/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ |