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Fix a bug in PartSet. The replacement value needs to be zext or trunc to

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the size of the value, not just zext. Also, give better names to two BBs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35945 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2007-04-12 12:46:33 +00:00
parent 3a508c94a6
commit 37958093c6
1 changed files with 7 additions and 3 deletions
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10
lib/CodeGen/IntrinsicLowering.cpp
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@ -512,8 +512,8 @@ static Instruction *LowerPartSet(CallInst *CI) {
BasicBlock* entry = new BasicBlock("entry",F,0);
BasicBlock* large = new BasicBlock("large",F,0);
BasicBlock* small = new BasicBlock("small",F,0);
BasicBlock* forward = new BasicBlock("cond_true24",F,0);
BasicBlock* reverse = new BasicBlock("cond_next60",F,0);
BasicBlock* forward = new BasicBlock("forward",F,0);
BasicBlock* reverse = new BasicBlock("reverse",F,0);
// Block entry (entry)
// First, convert Lo and Hi to ValTy bit width
@ -546,7 +546,11 @@ static Instruction *LowerPartSet(CallInst *CI) {
Rep3->reserveOperandSpace(2);
Rep3->addIncoming(Rep2, small);
Rep3->addIncoming(Rep, entry);
CastInst* Rep4 = new ZExtInst(Rep3, ValTy, "", small);
Value* Rep4 = Rep3;
if (ValBits > RepBits)
Rep4 = new ZExtInst(Rep3, ValTy, "", small);
else if (ValBits < RepBits)
Rep4 = new TruncInst(Rep3, ValTy, "", small);
ICmpInst* is_reverse =
new ICmpInst(ICmpInst::ICMP_UGT, Lo, Hi, "", small);
new BranchInst(reverse, forward, is_reverse, small);