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Temporarily revert r61027. It was causing a bootstrap failure in "release" mode

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with everyone's favorite error messages:

Comparing stages 2 and 3
warning: ./cc1-checksum.o differs
warning: ./cc1plus-checksum.o differs
Bootstrap comparison failure!
./c-decl.o differs
./cp/decl.o differs
./df-core.o differs
./gcc.o differs
./i386.o differs
./stor-layout.o differs
./tree-pretty-print.o differs
./tree.o differs
make[2]: *** [compare] Error 1
make[1]: *** [stage3-bubble] Error 2

See PR3227.

llvm-svn: 61169
This commit is contained in:
Bill Wendling 2008-12-17 23:31:20 +00:00
parent fb89dfcc3f
commit 3eb7c0254b
1 changed files with 1 additions and 6 deletions
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7
lib/Transforms/Scalar/GVN.cpp
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@ -48,7 +48,7 @@ STATISTIC(NumPRELoad, "Number of loads PRE'd");
static cl::opt<bool> EnablePRE("enable-pre", static cl::opt<bool> EnablePRE("enable-pre",
cl::init(true), cl::Hidden); cl::init(true), cl::Hidden);
cl::opt<bool> EnableLoadPRE("enable-load-pre", cl::init(true)); cl::opt<bool> EnableLoadPRE("enable-load-pre"/*, cl::init(true)*/);
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
// ValueTable Class // ValueTable Class
@ -957,11 +957,6 @@ bool GVN::processNonLocalLoad(LoadInst *LI,
if (Deps.size() > 100) if (Deps.size() > 100)
return false; return false;
// If we had a phi translation failure, we'll have a single entry which is a
// clobber in the current block. Reject this early.
if (Deps.size() == 1 && Deps[0].second.isClobber())
return false;
// Filter out useless results (non-locals, etc). Keep track of the blocks // Filter out useless results (non-locals, etc). Keep track of the blocks
// where we have a value available in repl, also keep track of whether we see // where we have a value available in repl, also keep track of whether we see
// dependencies that produce an unknown value for the load (such as a call // dependencies that produce an unknown value for the load (such as a call