Mercurial > projects > ldc
annotate lphobos/llvmsupport.d @ 1491:360a8e8eea51
Teach stack promotion to walk the CFG when a potential reuse of an allocation
is found to see if it can actually happen instead of just assuming it will.
This allows it to catch cases like
{{{
int i;
Foo f;
while (cond(i))
f = new Foo(i++);
return f.value;
}}}
where it previously wouldn't because a phi using the allocation would appear in
the condition block to propagate it to the use after the loop.
author | Frits van Bommel <fvbommel wxs.nl> |
---|---|
date | Thu, 11 Jun 2009 02:04:44 +0200 |
parents | 0ccfae271c45 |
children |
rev | line source |
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55
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
lindquist
parents:
diff
changeset
|
1 module llvmsupport; |
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
lindquist
parents:
diff
changeset
|
2 |
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
lindquist
parents:
diff
changeset
|
3 import |
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
lindquist
parents:
diff
changeset
|
4 llvm.intrinsic, |
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
lindquist
parents:
diff
changeset
|
5 llvm.va_list; |