Fix a bug in PartSet. The replacement value needs to be zext or trunc to
the size of the value, not just zext. Also, give better names to two BBs.
llvm-svn: 35945
diff --git a/llvm/lib/CodeGen/IntrinsicLowering.cpp b/llvm/lib/CodeGen/IntrinsicLowering.cpp
index 907a5c0..7ef67d5 100644
--- a/llvm/lib/CodeGen/IntrinsicLowering.cpp
+++ b/llvm/lib/CodeGen/IntrinsicLowering.cpp
@@ -512,8 +512,8 @@
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 @@
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);