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Revert "This reapplies r207130 with an additional testcase+and a missing check for"

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This reverts commit 207235 to investigate msan buildbot breakage.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207250 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Adrian Prantl
2014-04-25 18:18:09 +00:00
parent ad56833808
commit 25c74de500
13 changed files with 140 additions and 255 deletions
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7
lib/CodeGen/CodeGenPrepare.cpp
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@ -3470,12 +3470,7 @@ bool CodeGenPrepare::PlaceDbgValues(Function &F) {
for (BasicBlock::iterator BI = I->begin(), BE = I->end(); BI != BE;) {
Instruction *Insn = BI; ++BI;
DbgValueInst *DVI = dyn_cast<DbgValueInst>(Insn);
// Leave dbg.values that refer to an alloca alone. These
// instrinsics describe the address of a variable (= the alloca)
// being taken. They should not be moved next to the alloca
// (and to the beginning of the scope), but rather stay close to
// where said address is used.
if (!DVI || (DVI->getValue() && isa<AllocaInst>(DVI->getValue()))) {
if (!DVI) {
PrevNonDbgInst = Insn;
continue;
}