llvm-for-llvmta/tools/clang/test/CodeGen/mempcpy-libcall.c

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2022-04-25 13:02:35 +02:00
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm < %s| FileCheck %s
typedef __SIZE_TYPE__ size_t;
void *mempcpy(void *, void const *, size_t);
char *test(char *d, char *s, size_t n) {
// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* {{.*}} %[[REG1:[^ ]+]], i8* {{.*}} %1, i64 %[[REG2:[^ ]+]], i1 false)
// CHECK-NEXT: %[[REGr:[^ ]+]] = getelementptr inbounds i8, i8* %[[REG1]], i64 %[[REG2]]
// CHECK-NEXT: ret i8* %[[REGr]]
return mempcpy(d, s, n);
}