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