| // REQUIRES: bpf-registered-target |
| // RUN: %clang -target bpf -emit-llvm -S -g %s -o - | FileCheck %s |
| |
| #define _(x, y) (__builtin_preserve_enum_value((x), (y))) |
| |
| enum AA { |
| VAL1 = 2, |
| VAL2 = 0xffffffff80000000UL, |
| }; |
| typedef enum { VAL10 = -2, VAL11 = 0xffff8000, } __BB; |
| |
| unsigned unit1() { |
| return _(*(enum AA *)VAL1, 0) + _(*(__BB *)VAL10, 1); |
| } |
| |
| unsigned unit2() { |
| return _(*(enum AA *)VAL2, 0) + _(*(__BB *)VAL11, 1); |
| } |
| |
| // CHECK: @0 = private unnamed_addr constant [7 x i8] c"VAL1:2\00", align 1 |
| // CHECK: @1 = private unnamed_addr constant [9 x i8] c"VAL10:-2\00", align 1 |
| // CHECK: @2 = private unnamed_addr constant [17 x i8] c"VAL2:-2147483648\00", align 1 |
| // CHECK: @3 = private unnamed_addr constant [17 x i8] c"VAL11:4294934528\00", align 1 |
| |
| // CHECK: call i64 @llvm.bpf.preserve.enum.value(i32 0, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @0, i32 0, i32 0), i64 0), !dbg !{{[0-9]+}}, !llvm.preserve.access.index ![[ENUM_AA:[0-9]+]] |
| // CHECK: call i64 @llvm.bpf.preserve.enum.value(i32 1, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @1, i32 0, i32 0), i64 1), !dbg !{{[0-9]+}}, !llvm.preserve.access.index ![[TYPEDEF_ENUM:[0-9]+]] |
| |
| // CHECK: call i64 @llvm.bpf.preserve.enum.value(i32 2, i8* getelementptr inbounds ([17 x i8], [17 x i8]* @2, i32 0, i32 0), i64 0), !dbg !{{[0-9]+}}, !llvm.preserve.access.index ![[ENUM_AA]] |
| // CHECK: call i64 @llvm.bpf.preserve.enum.value(i32 3, i8* getelementptr inbounds ([17 x i8], [17 x i8]* @3, i32 0, i32 0), i64 1), !dbg !{{[0-9]+}}, !llvm.preserve.access.index ![[TYPEDEF_ENUM]] |
| |
| // CHECK: ![[ENUM_AA]] = !DICompositeType(tag: DW_TAG_enumeration_type, name: "AA" |
| // CHECK: ![[TYPEDEF_ENUM]] = !DIDerivedType(tag: DW_TAG_typedef, name: "__BB" |
