diff options
Diffstat (limited to 'clang/test/CIR/CodeGen/binassign.c')
| -rw-r--r-- | clang/test/CIR/CodeGen/binassign.c | 48 |
1 files changed, 47 insertions, 1 deletions
diff --git a/clang/test/CIR/CodeGen/binassign.c b/clang/test/CIR/CodeGen/binassign.c index dab9879..44c54b4 100644 --- a/clang/test/CIR/CodeGen/binassign.c +++ b/clang/test/CIR/CodeGen/binassign.c @@ -1,4 +1,4 @@ -// RUN: %clang_cc1 -std=c23 -triple x86_64-unknown-linux-gnu -fclangir -emit-cir %s -o %t.cir +// RUN: %clang_cc1 -std=c23 -triple x86_64-unknown-linux-gnu -fclangir -emit-cir -mmlir --mlir-print-ir-before=cir-lowering-prepare %s -o %t.cir 2> %t-before-lp.cir // RUN: FileCheck --input-file=%t.cir %s -check-prefix=CIR // RUN: %clang_cc1 -std=c23 -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 @@ -54,3 +54,49 @@ void binary_assign(void) { // OGCG: store float 0x40091EB860000000, ptr %[[F_PTR]] // OGCG: store i32 42, ptr %[[I_PTR]] // OGCG: ret void + +struct S { + int a; + float b; +}; + +struct SV { + int a; + volatile float b; +}; + +struct S gs; +struct SV gsv; + +void binary_assign_struct() { + // Test normal struct assignment + struct S ls; + ls = gs; + + // Test assignment of a struct with a volatile member + struct SV lsv; + lsv = gsv; +} + +// CIR: cir.func{{.*}} @binary_assign_struct() +// CIR: %[[LS:.*]] = cir.alloca ![[REC_S:.*]], !cir.ptr<![[REC_S]]>, ["ls"] +// CIR: %[[LSV:.*]] = cir.alloca ![[REC_SV:.*]], !cir.ptr<![[REC_SV]]>, ["lsv"] +// CIR: %[[GS_PTR:.*]] = cir.get_global @gs : !cir.ptr<![[REC_S]]> +// CIR: cir.copy %[[GS_PTR]] to %[[LS]] : !cir.ptr<![[REC_S]]> +// CIR: %[[GSV_PTR:.*]] = cir.get_global @gsv : !cir.ptr<![[REC_SV]]> +// CIR: cir.copy %[[GSV_PTR]] to %[[LSV]] volatile : !cir.ptr<![[REC_SV]]> +// CIR: cir.return + +// LLVM: define {{.*}}void @binary_assign_struct() +// LLVM: %[[LS_PTR:.*]] = alloca %struct.S +// LLVM: %[[LSV_PTR:.*]] = alloca %struct.SV +// LLVM: call void @llvm.memcpy.p0.p0.i32(ptr %[[LS_PTR]], ptr @gs, i32 8, i1 false) +// LLVM: call void @llvm.memcpy.p0.p0.i32(ptr %[[LSV_PTR]], ptr @gsv, i32 8, i1 true) +// LLVM: ret void + +// OGCG: define {{.*}}void @binary_assign_struct() +// OGCG: %[[LS_PTR:.*]] = alloca %struct.S +// OGCG: %[[LSV_PTR:.*]] = alloca %struct.SV +// OGCG: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %[[LS_PTR]], ptr align 4 @gs, i64 8, i1 false) +// OGCG: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %[[LSV_PTR]], ptr align 4 @gsv, i64 8, i1 true) +// OGCG: ret void |