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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2018-04-06 17:01:54 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2018-04-06 17:01:54 +0000 |
| commit | a74f4ae404b606f98df4d867ef028f74c5330072 (patch) | |
| tree | d7206389e5b519f19f1b130d7486dae75de663a8 /llvm/lib/Transforms | |
| parent | 8391387f7b39aad17046375be9d48707494d91bb (diff) | |
| download | bcm5719-llvm-a74f4ae404b606f98df4d867ef028f74c5330072.tar.gz bcm5719-llvm-a74f4ae404b606f98df4d867ef028f74c5330072.zip | |
Strip trailing whitespace. NFCI.
llvm-svn: 329421
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/Utils/LoopUtils.cpp | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/llvm/lib/Transforms/Utils/LoopUtils.cpp b/llvm/lib/Transforms/Utils/LoopUtils.cpp index 2f0fd428615..67e209583b7 100644 --- a/llvm/lib/Transforms/Utils/LoopUtils.cpp +++ b/llvm/lib/Transforms/Utils/LoopUtils.cpp @@ -923,13 +923,13 @@ bool InductionDescriptor::isFPInductionPHI(PHINode *Phi, const Loop *TheLoop, } /// This function is called when we suspect that the update-chain of a phi node -/// (whose symbolic SCEV expression sin \p PhiScev) contains redundant casts, -/// that can be ignored. (This can happen when the PSCEV rewriter adds a runtime -/// predicate P under which the SCEV expression for the phi can be the -/// AddRecurrence \p AR; See createAddRecFromPHIWithCast). We want to find the -/// cast instructions that are involved in the update-chain of this induction. -/// A caller that adds the required runtime predicate can be free to drop these -/// cast instructions, and compute the phi using \p AR (instead of some scev +/// (whose symbolic SCEV expression sin \p PhiScev) contains redundant casts, +/// that can be ignored. (This can happen when the PSCEV rewriter adds a runtime +/// predicate P under which the SCEV expression for the phi can be the +/// AddRecurrence \p AR; See createAddRecFromPHIWithCast). We want to find the +/// cast instructions that are involved in the update-chain of this induction. +/// A caller that adds the required runtime predicate can be free to drop these +/// cast instructions, and compute the phi using \p AR (instead of some scev /// expression with casts). /// /// For example, without a predicate the scev expression can take the following @@ -964,7 +964,7 @@ static bool getCastsForInductionPHI(PredicatedScalarEvolution &PSE, assert(PSE.getSCEV(PN) == AR && "Unexpected phi node SCEV expression"); const Loop *L = AR->getLoop(); - // Find any cast instructions that participate in the def-use chain of + // Find any cast instructions that participate in the def-use chain of // PhiScev in the loop. // FORNOW/TODO: We currently expect the def-use chain to include only // two-operand instructions, where one of the operands is an invariant. |

