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Commit 25f2ac94 authored by Nadav Rotem's avatar Nadav Rotem
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Fix 9267; Add vector zext support.

The DAGCombiner folds the zext into complex load instructions. This patch
prevents this optimization on vectors since none of the supported targets
knows how to perform load+vector_zext in one instruction.

llvm-svn: 126080
parent 7ee0d566
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