2012-08-02 01:02:30 +08:00
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// RUN: %clang_cc1 -fno-builtin -O1 -S -o - %s | FileCheck %s
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2016-01-06 22:35:46 +08:00
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// RUN: %clang_cc1 -fno-builtin-memset -O1 -S -o - %s | FileCheck -check-prefix=MEMSET %s
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2012-08-02 01:02:30 +08:00
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2012-08-02 20:12:26 +08:00
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void PR13497() {
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2012-08-02 01:02:30 +08:00
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char content[2];
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2012-08-02 20:12:26 +08:00
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// make sure we don't optimize this call to strcpy()
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2012-08-02 01:02:30 +08:00
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// CHECK: __strcpy_chk
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__builtin___strcpy_chk(content, "", 1);
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}
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2016-01-06 22:35:46 +08:00
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void PR4941(char *s) {
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// Make sure we don't optimize this loop to a memset().
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// MEMSET-LABEL: PR4941:
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// MEMSET-NOT: memset
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for (unsigned i = 0; i < 8192; ++i)
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s[i] = 0;
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}
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