forked from OSchip/llvm-project
24 lines
930 B
C
24 lines
930 B
C
// 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 __reloc__ __attribute__((preserve_access_index))
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// test simple member access and initial struct with non-zero stride access
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struct s1 {
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int a;
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union {
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int b;
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int c;
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};
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} __reloc__;
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typedef struct s1 __s1;
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int test(__s1 *arg) {
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return arg->a + arg[1].b;
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}
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// CHECK: call i32* @llvm.preserve.struct.access.index.p0i32.p0s_struct.s1s(%struct.s1* %{{[0-9a-z]+}}, i32 0, i32 0)
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// CHECK: call %struct.s1* @llvm.preserve.array.access.index.p0s_struct.s1s.p0s_struct.s1s(%struct.s1* %{{[0-9a-z]+}}, i32 0, i32 1)
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// CHECK: call %union.anon* @llvm.preserve.struct.access.index.p0s_union.anons.p0s_struct.s1s(%struct.s1* %{{[0-9a-z]+}}, i32 1, i32 1)
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// CHECK: call %union.anon* @llvm.preserve.union.access.index.p0s_union.anons.p0s_union.anons(%union.anon* %{{[0-9a-z]+}}, i32 0)
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