6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-06-14 14:24:05 +00:00
Code Issues Projects Releases Wiki Activity

When re-using an existing cast for a user, it's still necessary to call

Browse Source 
rememberInstruction so that future users of that user will be inserted
in the correct position. This fixes the Darwin selfhost.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94070 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2010-01-21 10:08:42 +00:00
parent 401f3258f6
commit c37e3d5d7c
1 changed files with 3 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
lib/Analysis/ScalarEvolutionExpander.cpp
View File

@ -98,14 +98,16 @@ Value *SCEVExpander::InsertNoopCastOfTo(Value *V, const Type *Ty) {
It = cast<InvokeInst>(I)->getNormalDest()->begin();
while (isa<PHINode>(It)) ++It;
if (It != BasicBlock::iterator(CI)) {
// Recreate the cast at the beginning of the entry block.
// Recreate the cast after the user.
// The old cast is left in place in case it is being used
// as an insert point.
Instruction *NewCI = CastInst::Create(Op, V, Ty, "", It);
NewCI->takeName(CI);
CI->replaceAllUsesWith(NewCI);
rememberInstruction(NewCI);
return NewCI;
}
rememberInstruction(CI);
return CI;
}
}