Dan Gohman 50284d81f8 Change SelectionDAG::getConstantPool to always set the alignment of the ... ConstantPoolSDNode, using the target's preferred alignment for the constant type. In LegalizeDAG, when performing loads from the constant pool, the ConstantPoolSDNode's alignment is used in the calls to getLoad and getExtLoad. This change prevents SelectionDAG::getLoad/getExtLoad from incorrectly choosing the ABI alignment for constant pool loads when Alignment == 0. The incorrect alignment is only a performance issue when ABI alignment does not equal preferred alignment (i.e., on x86 it was generating MOVUPS instead of MOVAPS for v4f32 constant loads when the default ABI alignment for 128bit vectors is forced to 1 byte.) Patch by Paul Redmond! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56253 91177308-0d34-0410-b5e6-96231b3b80d8		2008-09-16 22:05:41 +00:00
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Analysis	Finally re-apply r46959. This is made feasible by the combination	2008-09-16 18:52:57 +00:00
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CodeGen	Change SelectionDAG::getConstantPool to always set the alignment of the	2008-09-16 22:05:41 +00:00
Debugger
ExecutionEngine
Linker
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Target	Reverting r56249. On further investigation, this functionality isn't needed.	2008-09-16 21:48:12 +00:00
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