[builtin] for the condition for check __ARM_FEATURE_CLZ
[builtin] for the condition for check __ARM_FEATURE_CLZ

Summary: Since CLZ is not available for Thumb1, we use __ARM_ARCH_ISA_THUMB != 1 as one of the conditions.

Reviewers: rnk, compnerd, rengolin

Subscribers: aemerson, rengolin, llvm-commits

Differential Revision: https://reviews.llvm.org/D27530

git-svn-id: c199f293c43da69278bea8e88f92242bf3aa95f7@288954 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt