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Remove a use of subtarget initialization in the X86 backend so we can get rid of the default subtarget. 

NFC intended.

llvm-svn: 281982
This commit is contained in:
Eric Christopher 2016-09-20 16:04:59 +00:00
parent 0be7793d75
commit ef579d2195
1 changed files with 4 additions and 1 deletions
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5
llvm/lib/Target/X86/X86TargetMachine.cpp
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@ -159,7 +159,10 @@ X86TargetMachine::X86TargetMachine(const Target &T, const Triple &TT,
// (which on X86, happens to be the 'ud2' instruction)
// On PS4, the "return address" of a 'noreturn' call must still be within
// the calling function, and TrapUnreachable is an easy way to get that.
if (Subtarget.isTargetWin64() || Subtarget.isTargetPS4())
// The check here for 64-bit windows is a bit icky, but as we're unlikely
// to ever want to mix 32 and 64-bit windows code in a single module
// this should be fine.
if ((TT.isOSWindows() && TT.getArch() == Triple::x86_64) || TT.isPS4())
this->Options.TrapUnreachable = true;
// By default (and when -ffast-math is on), enable estimate codegen for