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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/ssa-fre-7.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/ssa-fre-7.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-7.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-7.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-7.c new file mode 100644 index 000000000..a758efe5d --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-7.c @@ -0,0 +1,38 @@ +/* { dg-do compile } */ +/* { dg-options "-O -fno-tree-sra -fdump-tree-fre1-details -fdump-tree-optimized" } */ +#if (__SIZEOF_INT__ == __SIZEOF_FLOAT__) +typedef int intflt; +#elif (__SIZEOF_LONG__ == __SIZEOF_FLOAT__) +typedef long intflt; +#else +#error Add target support here for type that will union float size +#endif + +struct X { + int i; + union { + intflt j; + intflt k; + float f; + } u; +}; + +intflt foo(intflt j) +{ + struct X a; + + a.u.j = j; + a.u.f = a.u.f; + a.u.f = a.u.f; + a.u.j = a.u.j; + a.u.f = a.u.f; + return a.u.k; +} + +/* { dg-final { scan-tree-dump-times "Inserted pretmp" 1 "fre1" } } */ +/* { dg-final { scan-tree-dump-times "Replaced a.u.f with pretmp" 3 "fre1" } } */ +/* { dg-final { scan-tree-dump-times "Replaced a.u.k with j" 1 "fre1" } } */ +/* { dg-final { scan-tree-dump "= VIEW_CONVERT_EXPR<float>\\\(j_" "fre1" } } */ +/* { dg-final { scan-tree-dump "return j" "optimized" } } */ +/* { dg-final { cleanup-tree-dump "fre1" } } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ |