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Make the logic for determining function alignment more explicit. No functionality change.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131012 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman
2011-05-06 20:34:06 +00:00
parent 8265e6ab4f
commit fc5d305597
29 changed files with 72 additions and 101 deletions
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6
lib/CodeGen/MachineFunction.cpp
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@ -65,7 +65,11 @@ MachineFunction::MachineFunction(const Function *F, const TargetMachine &TM,
FrameInfo->setMaxAlignment(Attribute::getStackAlignmentFromAttrs(
Fn->getAttributes().getFnAttributes()));
ConstantPool = new (Allocator) MachineConstantPool(TM.getTargetData());
Alignment = TM.getTargetLowering()->getFunctionAlignment(F);
Alignment = TM.getTargetLowering()->getMinFunctionAlignment();
// FIXME: Shouldn't use pref alignment if explicit alignment is set on Fn.
if (!Fn->hasFnAttr(Attribute::OptimizeForSize))
Alignment = std::max(Alignment,
TM.getTargetLowering()->getPrefFunctionAlignment());
FunctionNumber = FunctionNum;
JumpTableInfo = 0;
}