?? ssa-pre-4.c
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/* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-pre-stats" } */int main(void){ int x, c, y; x = 3; if (c) x = 2; y = x + 1; return y;}/* We should eliminate the x+1 computation from this routine, replacing it with a phi of 3, 4 *//* { dg-final { scan-tree-dump-times "Eliminated: 1" 1 "pre"} } *//* { dg-final { cleanup-tree-dump "pre" } } */?? 快捷鍵說明
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