GlobalOpt forgot to handle bitcast when analyzing globals. Found by inspection.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159546 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/IPO/GlobalOpt.cpp b/lib/Transforms/IPO/GlobalOpt.cpp
index 35f98b2..4e1c23c 100644
--- a/lib/Transforms/IPO/GlobalOpt.cpp
+++ b/lib/Transforms/IPO/GlobalOpt.cpp
@@ -254,6 +254,8 @@
GS.StoredType = GlobalStatus::isStored;
}
}
+ } else if (isa<BitCastInst>(I)) {
+ if (AnalyzeGlobal(I, GS, PHIUsers)) return true;
} else if (isa<GetElementPtrInst>(I)) {
if (AnalyzeGlobal(I, GS, PHIUsers)) return true;
} else if (isa<SelectInst>(I)) {
diff --git a/test/Transforms/GlobalOpt/unnamed-addr.ll b/test/Transforms/GlobalOpt/unnamed-addr.ll
index babadc6..ee75058 100644
--- a/test/Transforms/GlobalOpt/unnamed-addr.ll
+++ b/test/Transforms/GlobalOpt/unnamed-addr.ll
@@ -26,7 +26,9 @@
entry:
%arrayidx4 = getelementptr inbounds [4 x i8]* @d, i64 0, i64 %i
%tmp5 = load i8* %arrayidx4, align 1
- %cmp = icmp eq i8 %tmp5, 42
+ %array0 = bitcast [4 x i8]* @d to i8*
+ %tmp6 = load i8* %array0, align 1
+ %cmp = icmp eq i8 %tmp5, %tmp6
ret i1 %cmp
}