forked from OSchip/llvm-project
18 lines
468 B
C
18 lines
468 B
C
// RUN: %clang_cc1 -emit-llvm %s -o - | FileCheck %s
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struct x { int a[100]; };
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void foo(struct x *P, struct x *Q) {
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// CHECK-LABEL: @foo(
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// CHECK: call void @llvm.memcpy.p0i8.p0i8
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*P = *Q;
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}
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// CHECK: declare void @llvm.memcpy.p0i8.p0i8{{.*}}(i8* noalias nocapture writeonly, i8* noalias nocapture readonly
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void bar(struct x *P, struct x *Q) {
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// CHECK-LABEL: @bar(
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// CHECK: call void @llvm.memcpy.p0i8.p0i8
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__builtin_memcpy(P, Q, sizeof(struct x));
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}
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