================
@@ -0,0 +1,70 @@
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -Wno-unused-value
-fclangir -emit-cir %s -o %t.cir
+// RUN: FileCheck --input-file=%t.cir %s -check-prefix=CIR
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -Wno-unused-value
-fclangir -emit-llvm %s -o %t-cir.ll
+// RUN: FileCheck --input-file=%t-cir.ll %s -check-prefix=LLVM
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -Wno-unused-value
-emit-llvm %s -o %t.ll
+// RUN: FileCheck --input-file=%t.ll %s -check-prefix=OGCG
+
+struct S {
+ S();
+};
+
+void foo() {
+ S s[42];
+}
+
+// CIR: cir.func dso_local @_Z3foov()
+// CIR: %[[ARRAY:.*]] = cir.alloca !cir.array<!rec_S x 42>,
!cir.ptr<!cir.array<!rec_S x 42>>, ["s", init]
+// CIR: %[[CONST42:.*]] = cir.const #cir.int<42> : !u64i
+// CIR: %[[DECAY:.*]] = cir.cast(array_to_ptrdecay, %[[ARRAY]] :
!cir.ptr<!cir.array<!rec_S x 42>>), !cir.ptr<!rec_S>
+// CIR: %[[END_PTR:.*]] = cir.ptr_stride(%[[DECAY]] : !cir.ptr<!rec_S>,
%[[CONST42]] : !u64i), !cir.ptr<!rec_S>
+// CIR: %[[ITER:.*]] = cir.alloca !cir.ptr<!rec_S>,
!cir.ptr<!cir.ptr<!rec_S>>, ["__array_idx"]
----------------
mmha wrote:
If anything the alloca should be at the start of the region its in as we might
create the alloc in a scope nest but is there a reason beyond readability?
https://github.com/llvm/llvm-project/pull/149142
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