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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [ssa-fre-7.c] - Rev 826
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/* { dg-do compile } */ /* { dg-options "-O -fno-tree-sra -fdump-tree-fre-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 "fre" } } */ /* { dg-final { scan-tree-dump-times "Replaced a.u.f with pretmp" 3 "fre" } } */ /* { dg-final { scan-tree-dump-times "Replaced a.u.k with j" 1 "fre" } } */ /* { dg-final { scan-tree-dump "= VIEW_CONVERT_EXPR<float>\\\(j_" "fre" } } */ /* { dg-final { scan-tree-dump "return j" "optimized" } } */ /* { dg-final { cleanup-tree-dump "fre" } } */ /* { dg-final { cleanup-tree-dump "optimized" } } */