[PATCH] D86983: [Attributor] Fix AANoUndef initialization
Shinji Okumura via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Sep 2 00:07:11 PDT 2020
This revision was automatically updated to reflect the committed changes.
Closed by commit rG7558e9e5a2a9: [Attributor] Fix AANoUndef initialization (authored by okura).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D86983/new/
https://reviews.llvm.org/D86983
Files:
llvm/lib/Transforms/IPO/AttributorAttributes.cpp
Index: llvm/lib/Transforms/IPO/AttributorAttributes.cpp
===================================================================
--- llvm/lib/Transforms/IPO/AttributorAttributes.cpp
+++ llvm/lib/Transforms/IPO/AttributorAttributes.cpp
@@ -7781,6 +7781,10 @@
/// See AbstractAttribute::initialize(...).
void initialize(Attributor &A) override {
+ if (getIRPosition().hasAttr({Attribute::NoUndef})) {
+ indicateOptimisticFixpoint();
+ return;
+ }
Value &V = getAssociatedValue();
if (isa<UndefValue>(V))
indicatePessimisticFixpoint();
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