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[LoopSimplify] Use BB::instructionsWithoutDebug to skip DbgInfo (NFC).

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This patch updates some code responsible the skip debug info to use
BasicBlock::instructionsWithoutDebug. I think this makes things slightly
simpler and more direct.

Reviewers: aprantl, vsk, chandlerc

Reviewed By: aprantl

Differential Revision: https://reviews.llvm.org/D46253

llvm-svn: 331217
This commit is contained in:
Florian Hahn 2018-04-30 19:19:36 +00:00
parent 23fa05864d
commit 2223b30382
1 changed files with 1 additions and 4 deletions
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5
lib/Transforms/Utils/LoopSimplify.cpp
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@ -613,11 +613,8 @@ ReprocessLoop:
// comparison and the branch.
bool AllInvariant = true;
bool AnyInvariant = false;
for (BasicBlock::iterator I = ExitingBlock->begin(); &*I != BI; ) {
for (auto I = ExitingBlock->instructionsWithoutDebug().begin(); &*I != BI; ) {
Instruction *Inst = &*I++;
// Skip debug info intrinsics.
if (isa<DbgInfoIntrinsic>(Inst))
continue;
if (Inst == CI)
continue;
if (!L->makeLoopInvariant(Inst, AnyInvariant,