From d33ce6f100003ea4bf57af9b7585248576e23edb Mon Sep 17 00:00:00 2001 From: Nadav Rotem Date: Tue, 15 Jan 2013 18:25:16 +0000 Subject: LoopVectorizer cost model. Honor the user command line flag that selects the vectorization factor even if the target machine does not have any vector registers. llvm-svn: 172544 --- llvm/lib/Transforms/Vectorize/LoopVectorize.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'llvm/lib/Transforms') diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp index 464ed97506f..bc8e1217bea 100644 --- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp +++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp @@ -2633,7 +2633,7 @@ LoopVectorizationCostModel::selectVectorizationFactor(bool OptForSize, if (MaxVectorSize == 0) { DEBUG(dbgs() << "LV: The target has no vector registers.\n"); - return 1; + MaxVectorSize = 1; } assert(MaxVectorSize <= 32 && "Did not expect to pack so many elements" -- cgit v1.2.3