/* { dg-do compile { target nonpic } } */ /* { dg-options "-O3 -fdump-tree-local-pure-const1 -fdump-ipa-pure-const -fdump-tree-optimized -fno-early-inlining" } */ void abort (void); int error_code; static int val; __attribute__ ((noinline, noclone)) static int i_am_pure1 (int a) { if (a > 50) abort (); return a; } __attribute__ ((noinline, noclone)) static int i_am_const2 (int a) { return a+val; } __attribute__ ((noinline, noclone)) int call_me(int a) { return a; } inline int call_callback(int (*fn)(int), int a) { return fn(a); } __attribute__ ((noinline, noclone)) i_am_const3(int a) { return call_callback (call_me, a); } __attribute__ ((noinline)) explode_badly() { error_code = 0xbad; abort (); } __attribute__ ((noinline, noclone)) i_am_pure4(int a) { if (a > 50) explode_badly (); return a; } test() { int s; s = i_am_pure1(5); s += i_am_pure1(5); s += i_am_const2(5); s += i_am_const2(5); s += i_am_const3(5); s += i_am_const3(5); s += i_am_pure4(5); s += i_am_pure4(5); return s; } /* { dg-final { scan-tree-dump-times "i_am_pure1 .5" 1 "optimized"} } */ /* { dg-final { scan-tree-dump-times "i_am_const2 .5" 1 "optimized"} } */ /* { dg-final { scan-tree-dump-times "i_am_const3 .5" 1 "optimized"} } */ /* { dg-final { scan-tree-dump-times "i_am_pure4 .5" 1 "optimized"} } */ /* { dg-final { scan-tree-dump "found to be looping pure: i_am_pure1" "local-pure-const1"} } */ /* { dg-final { scan-tree-dump "found to be looping pure: i_am_pure4" "local-pure-const1"} } */ /* { dg-final { scan-ipa-dump "found to be const: i_am_const2" "pure-const"} } */ /* { dg-final { scan-ipa-dump "found to be const: i_am_const3" "pure-const"} } */ /* { dg-final { cleanup-tree-dump "local-pure-const1" } } */ /* { dg-final { cleanup-tree-dump "optimized" } } */ /* { dg-final { cleanup-ipa-dump "pure-const" } } */