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Make llc use getHostCPUFeatures when 'native' is specified for cpu.

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This is necessary for x86 where not all Sandybridge, Ivybrige, Haswell, and Broadwell CPUs support AVX. Currently we modify the CPU name back to Nehalem for this case, but that turns off additional features for these CPUs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@233673 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper
2015-03-31 05:52:57 +00:00
parent caa12e0352
commit 9a7c0031de
3 changed files with 23 additions and 10 deletions
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2
include/llvm/MC/SubtargetFeature.h
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@@ -78,7 +78,7 @@ public:
std::string getString() const;
/// Adding Features.
void AddFeature(StringRef String);
void AddFeature(StringRef String, bool Enable = true);
/// ToggleFeature - Toggle a feature and returns the newly updated feature
/// bits.