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| author | Tim Northover <tnorthover@apple.com> | 2017-05-01 17:50:15 +0000 |
|---|---|---|
| committer | Tim Northover <tnorthover@apple.com> | 2017-05-01 17:50:15 +0000 |
| commit | 9bb6931c257c420d53c5e0098faf5ce08fe6dbc9 (patch) | |
| tree | 191c20cb4453dcde8093e0bc23382f124f7c95af /llvm/lib/Target/X86/X86Subtarget.cpp | |
| parent | cdcc5b61f413b9d4687b5b34b8e24f13bd9a8dfe (diff) | |
| download | bcm5719-llvm-9bb6931c257c420d53c5e0098faf5ce08fe6dbc9.tar.gz bcm5719-llvm-9bb6931c257c420d53c5e0098faf5ce08fe6dbc9.zip | |
X86: initialize a few subtarget variables.
Otherwise an indeterminate value gets read, causing a bunch of UBSan failures.
llvm-svn: 301819
Diffstat (limited to 'llvm/lib/Target/X86/X86Subtarget.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86Subtarget.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86Subtarget.cpp b/llvm/lib/Target/X86/X86Subtarget.cpp index b805ddf0b98..82ff436f7eb 100644 --- a/llvm/lib/Target/X86/X86Subtarget.cpp +++ b/llvm/lib/Target/X86/X86Subtarget.cpp @@ -290,6 +290,9 @@ void X86Subtarget::initializeEnvironment() { HasMWAITX = false; HasCLZERO = false; HasMPX = false; + HasSGX = false; + HasCLFLUSHOPT = false; + HasCLWB = false; IsBTMemSlow = false; IsPMULLDSlow = false; IsSHLDSlow = false; |
