hubert.reinterpretcast added inline comments.
================
Comment at: clang/test/CodeGen/init.c:197
// CHECK-LABEL: @nonzeroPaddedUnionMemset(
- // CHECK-NOT: store
- // CHECK-NOT: memcpy
- // CHECK: call void @llvm.memset.p0i8.i32(i8* {{.*}}, i8 -16, i32 36, i1
false)
+ // CHECK: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 {{.*}}, i8* align
4 {{.*}} [[INIT_PADDEDUNION]], {{.*}}, i32 36, i1 false)
}
----------------
This is C++ aggregate initialization and not value-initialization. The wording
you quoted from the C++ standard is for zero-initialization, which might be
part of value initialization, but you have not shown that aggregate
initialization of a union involves zero-initialization of that union.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D68115/new/
https://reviews.llvm.org/D68115
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