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-rw-r--r--compiler-rt/test/ubsan/TestCases/Pointer/alignment-assumption-attribute-assume_aligned-on-function.cpp28
1 files changed, 28 insertions, 0 deletions
diff --git a/compiler-rt/test/ubsan/TestCases/Pointer/alignment-assumption-attribute-assume_aligned-on-function.cpp b/compiler-rt/test/ubsan/TestCases/Pointer/alignment-assumption-attribute-assume_aligned-on-function.cpp
new file mode 100644
index 00000000000..202c0ce0063
--- /dev/null
+++ b/compiler-rt/test/ubsan/TestCases/Pointer/alignment-assumption-attribute-assume_aligned-on-function.cpp
@@ -0,0 +1,28 @@
+// RUN: %clang -x c -fsanitize=alignment -O0 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="error:"
+// RUN: %clang -x c -fsanitize=alignment -O1 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="error:"
+// RUN: %clang -x c -fsanitize=alignment -O2 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="error:"
+// RUN: %clang -x c -fsanitize=alignment -O3 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="error:"
+
+// RUN: %clang -x c++ -fsanitize=alignment -O0 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="error:"
+// RUN: %clang -x c++ -fsanitize=alignment -O1 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="error:"
+// RUN: %clang -x c++ -fsanitize=alignment -O2 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="error:"
+// RUN: %clang -x c++ -fsanitize=alignment -O3 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="error:"
+
+#include <stdlib.h>
+
+char *__attribute__((assume_aligned(0x8000))) passthrough(char *x) {
+ return x;
+}
+
+int main(int argc, char* argv[]) {
+ char *ptr = (char *)malloc(2);
+
+ passthrough(ptr + 1);
+ // CHECK: {{.*}}alignment-assumption-{{.*}}.cpp:[[@LINE-1]]:3: runtime error: assumption of 32768 byte alignment for pointer of type 'char *' failed
+ // CHECK: {{.*}}alignment-assumption-{{.*}}.cpp:[[@LINE-9]]:22: note: alignment assumption was specified here
+ // CHECK: 0x{{.*}}: note: address is {{.*}} aligned, misalignment offset is {{.*}} byte
+
+ free(ptr);
+
+ return 0;
+}
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