| /* { dg-do compile } */ |
| /* { dg-options "-O2 -w -fdump-tree-dom2-details" } */ |
| |
| typedef struct rtx_def *rtx; |
| struct rtx_def |
| { |
| int code; |
| rtx rt_rtx; |
| }; |
| rtx |
| try_combine (rtx i1, rtx newpat) |
| { |
| rtx temp; |
| if (i1 && (temp = ((((((newpat->rt_rtx, ((((temp)->code) == 42))))))))) |
| && ((temp = |
| (((((((((((newpat)->rt_rtx), |
| ((((temp)->code) == 42) && arf ()))))))))))))) |
| ; |
| else if (i1 && foo ()); |
| } |
| |
| /* There should be four tests against i1. One from the hash table |
| dumps, one from the EVRP analyzer one from EVRP evaluation and one |
| in the code itself. */ |
| /* { dg-final { scan-tree-dump-times "if .i1_" 4 "dom2"} } */ |
| |
| /* There should be no actual jump threads realized by DOM. The |
| legitimize jump threads are handled in VRP and those discovered |
| by DOM are subsumed by collapsing a conditional. */ |
| /* { dg-final { scan-tree-dump-not "Threaded" "dom2"} } */ |
