Dan Gohman 97b44f9b80 Use ConstantExpr::getExtractElement when constant-folding vectors ... instead of getAggregateElement. This has the advantage of being more consistent and allowing higher-level constant folding to procede even if an inner extract element cannot be folded. Make ConstantFoldInstruction call ConstantFoldConstantExpression on the instruction's operands, making it more consistent with ConstantFoldConstantExpression itself. This makes sure that ConstantExprs get TargetData-aware folding before being handed off as operands for further folding. This causes more expressions to be folded, but due to a known shortcoming in constant folding, this currently has the side effect of stripping a few more nuw and inbounds flags in the non-targetdata side of constant-fold-gep.ll. This is mostly harmless. This fixes rdar://11324230. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155682 91177308-0d34-0410-b5e6-96231b3b80d8		2012-04-27 00:54:36 +00:00
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Analysis	Use ConstantExpr::getExtractElement when constant-folding vectors	2012-04-27 00:54:36 +00:00
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CodeGen	Fix the SD scheduler to avoid gluing the same node twice.	2012-04-26 21:48:25 +00:00
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Linker	Add a flag to the struct type finder to collect only those types which have	2012-04-21 23:59:16 +00:00
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Support	[Support/YAML] Properly fix unitialized variable warning by inserting a	2012-04-26 19:27:11 +00:00
TableGen	Fix copy/paste-o.	2012-04-18 18:09:53 +00:00
Target	ARM: Thumb ldr(literal) base address alignment is 32-bits.	2012-04-26 20:48:12 +00:00
Transforms	Break up getProfitableChainIncrement().	2012-04-26 23:33:11 +00:00
VMCore	Use ConstantExpr::getExtractElement when constant-folding vectors	2012-04-27 00:54:36 +00:00
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