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Fix bug: IPConstantProp/deadarg.ll
author
Chris Lattner
<sabre@nondot.org>
Thu, 11 Nov 2004 07:46:29 +0000
(07:46 +0000)
committer
Chris Lattner
<sabre@nondot.org>
Thu, 11 Nov 2004 07:46:29 +0000
(07:46 +0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17679
91177308
-0d34-0410-b5e6-
96231b3b80d8
lib/Transforms/IPO/IPConstantPropagation.cpp
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diff --git
a/lib/Transforms/IPO/IPConstantPropagation.cpp
b/lib/Transforms/IPO/IPConstantPropagation.cpp
index 479f8e73ccb482c062bdafe89b0540786f2467f5..9daeb4fa5d928c5bd9ccdde8437d3951545090b7 100644
(file)
--- a/
lib/Transforms/IPO/IPConstantPropagation.cpp
+++ b/
lib/Transforms/IPO/IPConstantPropagation.cpp
@@
-113,9
+113,9
@@
bool IPCP::processFunction(Function &F) {
bool MadeChange = false;
for (unsigned i = 0, e = ArgumentConstants.size(); i != e; ++i, ++AI)
// Do we have a constant argument!?
- if (!ArgumentConstants[i].second && !AI->use_empty()) {
- assert(ArgumentConstants[i].first && "Unknown constant value!");
+ if (!ArgumentConstants[i].second) {
Value *V = ArgumentConstants[i].first;
+ if (V == 0) V = UndefValue::get(AI->getType());
AI->replaceAllUsesWith(V);
++NumArgumentsProped;
MadeChange = true;