================
@@ -0,0 +1,65 @@
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -mms-bitfields -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 -mms-bitfields -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 -mms-bitfields -emit-llvm
%s -o %t.ll
+// RUN: FileCheck --input-file=%t.ll %s --check-prefix=OGCG
+
+struct s1 {
+ int f32 : 2;
+ long long f64 : 30;
+} s1;
+
+// CIR-DAG: !rec_s1 = !cir.record<struct "s1" {!s32i, !s64i}>
+// LLVM-DAG: %struct.s1 = type { i32, i64 }
+// OGCG-DAG: %struct.s1 = type { i32, i64 }
+
+struct s2 {
+ int a : 24;
+ char b;
+ int c : 30;
+} Clip;
+
+// CIR-DAG: !rec_s2 = !cir.record<struct "s2" {!s32i, !s8i, !s32i}>
+// LLVM-DAG: %struct.s2 = type { i32, i8, i32 }
+// OGCG-DAG: %struct.s2 = type { i32, i8, i32 }
+
+#pragma pack (push,1)
+
+struct Inner {
+ unsigned int A : 1;
+ unsigned int B : 1;
+ unsigned int C : 1;
+ unsigned int D : 30;
+} Inner;
+
+#pragma pack (pop)
+
+// CIR-DAG: !rec_Inner = !cir.record<struct "Inner" {!u32i, !u32i}>
+// LLVM-DAG: %struct.Inner = type { i32, i32 }
+// OGCG-DAG: %struct.Inner = type { i32, i32 }
+
+#pragma pack(push, 1)
+
+union HEADER {
+ struct A {
+ int : 3; // Bits 2:0
+ int a : 9; // Bits 11:3
+ int : 12; // Bits 23:12
+ int b : 17; // Bits 40:24
+ int : 7; // Bits 47:41
+ int c : 4; // Bits 51:48
+ int : 4; // Bits 55:52
+ int d : 3; // Bits 58:56
+ int : 5; // Bits 63:59
+ } Bits;
+} HEADER;
+
+#pragma pack(pop)
+
----------------
Andres-Salamanca wrote:
I can’t add those tests because we currently don’t have upstream ILE support
https://github.com/llvm/llvm-project/pull/155663. I saw that this is in the
process of being upstreamed, but bitfields were left out.
https://github.com/llvm/llvm-project/pull/156085
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