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changes in function LLVMFlattenInsertChain

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Ilia Filippov
2013-06-14 15:21:45 +04:00
parent 560acd5017
commit d92f9df17c
3 changed files with 95 additions and 78 deletions
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9
llvmutil.h
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@@ -269,9 +269,14 @@ extern bool LLVMExtractVectorInts(llvm::Value *v, int64_t ret[], int *nElts);
%broadcast_init.0 = insertelement <4 x i32> undef, i32 %val, i32 0
%broadcast.1 = shufflevector <4 x i32> %smear.0, <4 x i32> undef,
<4 x i32> zeroinitializer
Function returns:
First element of array if compare is false,
NonNull element only if all elements are equal or NULL if compare is true,
NonNull element only if all elements are equal if compare is true and undef is false,
NULL if all elements are NULLs
*/
extern void LLVMFlattenInsertChain(llvm::Value *inst, int vectorWidth,
llvm::Value **elements);
extern llvm::Value * LLVMFlattenInsertChain (llvm::Value *inst, int vectorWidth,
bool compare = true, bool undef = true);
/** This is a utility routine for debugging that dumps out the given LLVM
value as well as (recursively) all of the other values that it depends