23 lines
624 B
C
23 lines
624 B
C
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// RUN: %clang %s -target bpfeb -x c -emit-llvm -S -g -O2 -Xclang -disable-llvm-passes -o - | FileCheck --check-prefix=CHECK %s
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// RUN: %clang %s -target bpfel -x c -emit-llvm -S -g -O2 -Xclang -disable-llvm-passes -o - | FileCheck --check-prefix=CHECK %s
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struct t {
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int i:1;
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int j:2;
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union {
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int a;
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int b;
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} c[4];
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};
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#define _(x) (__builtin_preserve_access_index(x))
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const void *test(struct t *arg) {
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return _(&arg->c[3].b);
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}
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// CHECK: llvm.preserve.struct.access.index
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// CHECK: llvm.preserve.array.access.index
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// CHECK: llvm.preserve.union.access.index
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// CHECK-NOT: __builtin_preserve_access_index
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