[CIR][Lowering] Fix static array lowering

llvm · Sep 13, 2024 · 3e76d6c · 3e76d6c
1 parent bde154c
commit 3e76d6c
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Showing 2 changed files with 9 additions and 1 deletion.
diff --git a/clang/lib/CIR/Lowering/LoweringHelpers.cpp b/clang/lib/CIR/Lowering/LoweringHelpers.cpp
@@ -91,7 +91,7 @@ void convertToDenseElementsAttrImpl(mlir::cir::ConstArrayAttr attr,
 
     auto nestTy = localArrayTy.getEltType();
     if (!mlir::isa<mlir::cir::ArrayType>(nestTy))
-      values.insert(values.end(), localArrayTy.getSize() - numTrailingZeros,
+      values.insert(values.end(), numTrailingZeros,
                     getZeroInitFromType<StorageTy>(nestTy));
   }
 }

diff --git a/clang/test/CIR/Lowering/static-array.c b/clang/test/CIR/Lowering/static-array.c
@@ -0,0 +1,8 @@
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm %s -o %t.ll
+// RUN: FileCheck --input-file=%t.ll %s -check-prefix=LLVM
+
+int test(int x) {
+  static int arr[10] = {0, 1, 0, 0};
+  return arr[x];
+}
+// LLVM: internal global [10 x i32] [i32 0, i32 1, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0]