================
@@ -0,0 +1,79 @@
+// RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-linux-gnu -fclangir
-emit-cir %s -o %t.cir
+// RUN: FileCheck --input-file=%t.cir %s --check-prefix=CIR
+// RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-linux-gnu -fclangir
-emit-llvm %s -o %t-cir.ll
+// RUN: FileCheck --input-file=%t-cir.ll %s --check-prefix=LLVM
+// RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-linux-gnu -emit-llvm %s
-o %t.ll
+// RUN: FileCheck --input-file=%t.ll %s --check-prefix=OGCG
+
+struct A {
+ char a, b, c;
+ unsigned bits : 3;
+ unsigned more_bits : 4;
+ unsigned still_more_bits : 7;
+};
+
+typedef struct {
+ int a : 4;
+ int b : 5;
+ int c;
+} D;
+
+typedef struct {
+ int a : 4;
+ int b : 27;
+ int c : 17;
+ int d : 2;
+ int e : 15;
+ unsigned f; // type other than int above, not a bitfield
+} S;
+
+typedef struct {
+ int a : 3; // one bitfield with size < 8
+ unsigned b;
+} T;
+
+typedef struct {
+ char a;
+ char b;
+ char c;
+
+ // startOffset 24 bits, new storage from here
+ int d: 2;
+ int e: 2;
+ int f: 4;
+ int g: 25;
+ int h: 3;
+ int i: 4;
+ int j: 3;
+ int k: 8;
+
+ int l: 14; // need to be a part of the new storage
+ // because (tail - startOffset) is 65 after 'l' field
+} U;
+
+// CIR-DAG: !rec_D = !cir.record<struct "D" {!u16i, !s32i}>
----------------
andykaylor wrote:
It would be helpful to move the checks for each type to just below the source
declaration.
https://github.com/llvm/llvm-project/pull/142041
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