?? ssa-dom-cse-1.c
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/* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-fre-details" } */int t(int a) __attribute__ ((const));void q (void);voidthreading(int a,int b){ if (t(a)) { if (t(a)) q(); }}/* We should thread the jump twice and eliminate it. *//* { dg-final { scan-tree-dump-times "Replaced.* t " 1 "fre"} } *//* { dg-final { cleanup-tree-dump "fre" } } */?? 快捷鍵說明
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