diff options
| -rw-r--r-- | llvm/lib/Transforms/IPO/LowerBitSets.cpp | 5 | ||||
| -rw-r--r-- | llvm/test/Transforms/LowerBitSets/unnamed.ll | 19 |
2 files changed, 22 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/IPO/LowerBitSets.cpp b/llvm/lib/Transforms/IPO/LowerBitSets.cpp index bffeebb6e2e..dec583b0e2d 100644 --- a/llvm/lib/Transforms/IPO/LowerBitSets.cpp +++ b/llvm/lib/Transforms/IPO/LowerBitSets.cpp @@ -556,8 +556,9 @@ void LowerBitSets::buildBitSetsFromGlobals( } else { GlobalAlias *GAlias = GlobalAlias::create(Globals[I]->getType(), Globals[I]->getLinkage(), - "", CombinedGlobalElemPtr, M); - GAlias->takeName(Globals[I]); + "data", CombinedGlobalElemPtr, M); + if (Globals[I]->hasName()) + GAlias->takeName(Globals[I]); Globals[I]->replaceAllUsesWith(GAlias); } Globals[I]->eraseFromParent(); diff --git a/llvm/test/Transforms/LowerBitSets/unnamed.ll b/llvm/test/Transforms/LowerBitSets/unnamed.ll new file mode 100644 index 00000000000..5ff0453391a --- /dev/null +++ b/llvm/test/Transforms/LowerBitSets/unnamed.ll @@ -0,0 +1,19 @@ +; RUN: opt -S -lowerbitsets < %s | FileCheck %s + +target datalayout = "e-p:32:32" + +; CHECK: @data ={{.*}} alias +@0 = constant i32 1 +@1 = constant [2 x i32] [i32 2, i32 3] + +!0 = !{!"bitset1", i32* @0, i32 0} +!1 = !{!"bitset1", [2 x i32]* @1, i32 4} + +!llvm.bitsets = !{ !0, !1 } + +declare i1 @llvm.bitset.test(i8* %ptr, metadata %bitset) nounwind readnone + +define i1 @foo(i8* %p) { + %x = call i1 @llvm.bitset.test(i8* %p, metadata !"bitset1") + ret i1 %x +} |
