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Change PHINode::hasConstantValue to have a DominatorTree argument

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instead of a bool argument, and to do the dominator check itself.
This makes it eaiser to use when DominatorTree information is
available.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80920 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2009-09-03 15:34:35 +00:00
parent dd12de686c
commit bccfc24c4e
7 changed files with 49 additions and 37 deletions
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2
test/Transforms/GVN/2008-07-02-Unreachable.ll
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@@ -1,4 +1,4 @@
; RUN: llvm-as < %s | opt -gvn | llvm-dis | grep undef
; RUN: llvm-as < %s | opt -gvn | llvm-dis | grep {ret i8 \[%\]tmp3}
; PR2503
@g_3 = external global i8 ; <i8*> [#uses=2]