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re PR bootstrap/46730 (Failed to profiledbootstrap) 

2010-12-01  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/46730
	* value-prof.c (gimple_ic): Always generate a separate merge BB.

	* g++.dg/tree-prof/indir-call-prof-2.C: New testcase.

From-SVN: r167326
This commit is contained in:
Richard Guenther 2010-12-01 13:13:23 +00:00 committed by Richard Biener
parent 3b14df1dbd
commit ee597801cc
4 changed files with 52 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2010-12-01 Richard Guenther <rguenther@suse.de>
PR tree-optimization/46730
* value-prof.c (gimple_ic): Always generate a separate merge BB.
2010-11-30 Ian Lance Taylor <iant@google.com>
* config/i386/linux.h (ASM_SPEC): Pass -v as -v, not -V. Remove

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2010-12-01 Richard Guenther <rguenther@suse.de>
PR tree-optimization/46730
* g++.dg/tree-prof/indir-call-prof-2.C: New testcase.
2010-11-30 Michael Meissner <meissner@linux.vnet.ibm.com>
* gcc.target/powerpc/ppc-fma-7.c: New file, test that (a*b)+c and

35
gcc/testsuite/g++.dg/tree-prof/indir-call-prof-2.C Normal file
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@ -0,0 +1,35 @@
/* { dg-options "-O" } */
int foo1(void) { return 0; }
int bar1(void) { throw 1; }
void foo2(void) { }
void bar2(void) { throw 1; }
void __attribute__((noinline,noclone)) test1(void (*f)(void)) { (*f)(); }
void __attribute__((noinline,noclone)) test2(void (*f)(void)) { (*f)(); }
int __attribute__((noinline,noclone)) test3(int (*f)(void)) { return (*f)(); }
int __attribute__((noinline,noclone)) test4(int (*f)(void)) { return (*f)(); }
int __attribute__((noinline,noclone)) test5(int (*f)(void), int x) { return x ? x : (*f)(); }
int __attribute__((noinline,noclone)) test6(int (*f)(void), int x) { return x ? x : (*f)(); }
void __attribute__((noinline,noclone)) test7(void (*f)(void)) { try { (*f)(); } catch (...) {} }
void __attribute__((noinline,noclone)) test8(void (*f)(void)) { try { (*f)(); } catch (...) {}}
int __attribute__((noinline,noclone)) test9(int (*f)(void)) { try { return (*f)(); } catch (...) {return 0;} }
int __attribute__((noinline,noclone)) test10(int (*f)(void)) { try { return (*f)(); } catch (...) {return 0;} }
int __attribute__((noinline,noclone)) test11(int (*f)(void), int x) { try { return x ? x : (*f)(); } catch (...) {return 0;} }
int __attribute__((noinline,noclone)) test12(int (*f)(void), int x) { try { return x ? x : (*f)(); } catch (...) {return 0;} }
int main()
{
for (int i = 0; i < 100; ++i) test1(foo2);
for (int i = 0; i < 100; ++i) try { test2(bar2); } catch (...) {}
for (int i = 0; i < 100; ++i) test3(foo1);
for (int i = 0; i < 100; ++i) try { test4(bar1); } catch (...) {}
for (int i = 0; i < 100; ++i) test5(foo1, 0);
for (int i = 0; i < 100; ++i) try { test6(bar1, 0); } catch (...) {}
for (int i = 0; i < 100; ++i) test7(foo2);
for (int i = 0; i < 100; ++i) try { test8(bar2); } catch (...) {}
for (int i = 0; i < 100; ++i) test9(foo1);
for (int i = 0; i < 100; ++i) try { test10(bar1); } catch (...) {}
for (int i = 0; i < 100; ++i) test11(foo1, 0);
for (int i = 0; i < 100; ++i) try { test12(bar1, 0); } catch (...) {}
return 0;
}

9
gcc/value-prof.c
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@ -1146,10 +1146,15 @@ gimple_ic (gimple icall_stmt, struct cgraph_node *direct_call,
icall_bb->count = all - count;
/* Do not disturb existing EH edges from the indirect call. */
if (last_stmt (icall_bb) != icall_stmt)
if (gsi_stmt (gsi_last_bb (icall_bb)) != icall_stmt)
e_ij = split_block (icall_bb, icall_stmt);
else
e_ij = find_fallthru_edge (icall_bb->succs);
{
e_ij = find_fallthru_edge (icall_bb->succs);
e_ij->probability = REG_BR_PROB_BASE;
e_ij->count = all - count;
e_ij = single_pred_edge (split_edge (e_ij));
}
join_bb = e_ij->dest;
join_bb->count = all;