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Enable Chris' value propagation change. It make available known sign, zero, one bits...
author
Evan Cheng
<evan.cheng@apple.com>
Thu, 12 Mar 2009 06:29:49 +0000
(06:29 +0000)
committer
Evan Cheng
<evan.cheng@apple.com>
Thu, 12 Mar 2009 06:29:49 +0000
(06:29 +0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66777
91177308
-0d34-0410-b5e6-
96231b3b80d8
lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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diff --git
a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index e2b1c9edf38cdba90f8cd94036734b93418690ec..fd2eb0655b29306d56c4a7279df31da94530e007 100644
(file)
--- a/
lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/
lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@
-52,8
+52,6
@@
#include <algorithm>
using namespace llvm;
-static cl::opt<bool>
-EnableValueProp("enable-value-prop", cl::Hidden);
static cl::opt<bool>
DisableLegalizeTypes("disable-legalize-types", cl::Hidden);
#ifndef NDEBUG
@@
-644,7
+642,7
@@
void SelectionDAGISel::CodeGenAndEmitDAG() {
if (ViewISelDAGs) CurDAG->viewGraph("isel input for " + BlockName);
- if (!Fast
&& EnableValueProp
)
+ if (!Fast)
ComputeLiveOutVRegInfo();
// Third, instruction select all of the operations to machine code, adding the