diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/pr114169-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/pr114169-1.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr114169-1.c b/gcc/testsuite/gcc.dg/tree-ssa/pr114169-1.c new file mode 100644 index 0000000..37766fb --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr114169-1.c @@ -0,0 +1,39 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-forwprop-details -fdump-tree-optimized" } */ + + +/* PR tree-optimization/114169 */ + +#include <stdint.h> + +struct S1 { + uint32_t f0; + uint8_t f1; + uint64_t f2; + uint64_t f3; + int32_t f4; +}; + +union U8 { + struct S1 f0; + int32_t f1; + int64_t f2; + uint8_t f3; + const int64_t f4; +}; + +/* --- GLOBAL VARIABLES --- */ +struct S1 g_16 = {4294967293UL,1UL,1UL,0xA9C1C73B017290B1LL,0x5ADF851FL}; +union U8 g_37 = {{1UL,1UL,0x2361AE7D51263067LL,0xEEFD7F9B64A47447LL,0L}}; +struct S1 g_50 = {0x0CFC2012L,1UL,0x43E1243B3BE7B8BBLL,0x03C5CEC10C1A6FE1LL,1L}; + + +/* --- FORWARD DECLARATIONS --- */ + +void func_32(union U8 e) { + e.f3 = e.f0.f4; + g_16 = e.f0 = g_50; +} +/* The union e should not make a difference here. */ +/* { dg-final { scan-tree-dump-times "after previous" 1 "forwprop1" } } */ +/* { dg-final { scan-tree-dump "g_16 = g_50;" "optimized" } } */ |