b20801646a
The builtin is documented to copy `count` elements, but the implementation copies `count` bytes. Fix that. Reviewers: cor3ntin, ojhunt Pull Request: https://github.com/llvm/llvm-project/pull/140312
23 lines
668 B
C++
23 lines
668 B
C++
// RUN: %clang_cc1 -std=c++26 -triple x86_64-linux-gnu -emit-llvm -o - %s | FileCheck %s
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typedef __SIZE_TYPE__ size_t;
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struct S trivially_relocatable_if_eligible {
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S(const S&);
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~S();
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int a;
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int b;
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};
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// CHECK: @_Z4testP1SS0_
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void test(S* source, S* dest, size_t count) {
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// CHECK: call void @llvm.memmove.p0.p0.i64({{.*}}, i64 8
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// CHECK-NOT: __builtin
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__builtin_trivially_relocate(dest, source, 1);
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// CHECK: [[A:%.*]] = load i64, ptr %count.addr
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// CHECK: [[M:%.*]] = mul i64 [[A]], 8
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// CHECK: call void @llvm.memmove.p0.p0.i64({{.*}}, i64 [[M]]
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__builtin_trivially_relocate(dest, source, count);
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// CHECK: ret
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};
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