forked from OSchip/llvm-project
45 lines
857 B
C++
45 lines
857 B
C++
// RUN: %clang_cc1 -triple x86_64-unknown-linux -analyze -analyzer-checker=alpha.clone.CloneChecker -verify %s
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// expected-no-diagnostics
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int foo1(int src) {
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int dst = src;
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if (src < 100 && src > 0) {
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asm ("mov %1, %0\n\t"
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"add $1, %0"
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: "=r" (dst)
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: "r" (src));
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}
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return dst;
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}
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// Identical to foo1 except that it adds two instead of one, so it's no clone.
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int foo2(int src) {
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int dst = src;
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if (src < 100 && src > 0) {
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asm ("mov %1, %0\n\t"
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"add $2, %0"
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: "=r" (dst)
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: "r" (src));
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}
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return dst;
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}
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// Identical to foo1 except that its a volatile asm statement, so it's no clone.
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int foo3(int src) {
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int dst = src;
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if (src < 100 && src > 0) {
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asm volatile ("mov %1, %0\n\t"
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"add $1, %0"
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: "=r" (dst)
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: "r" (src));
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}
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return dst;
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}
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