dbe8c2c316
Currently per-function metadata consists of: (start-pc, size, features) This adds a new UAR feature and if it's set an additional element: (start-pc, size, features, stack-args-size) Reviewed By: melver Differential Revision: https://reviews.llvm.org/D136078
60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
// RUN: %clangxx %s -o %t -fexperimental-sanitize-metadata=covered,uar && %t | FileCheck %s
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// CHECK: metadata add version 1
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// CHECK: empty: features=0 stack_args=0
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void empty() {}
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// CHECK: ellipsis: features=0 stack_args=0
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void ellipsis(const char *fmt, ...) {
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volatile int x;
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x = 1;
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}
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// CHECK: non_empty_function: features=2 stack_args=0
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void non_empty_function() {
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// Completely empty functions don't get uar metadata.
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volatile int x;
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x = 1;
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}
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// CHECK: no_stack_args: features=2 stack_args=0
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void no_stack_args(long a0, long a1, long a2, long a3, long a4, long a5) {
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volatile int x;
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x = 1;
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}
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// CHECK: stack_args: features=2 stack_args=16
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void stack_args(long a0, long a1, long a2, long a3, long a4, long a5, long a6) {
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volatile int x;
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x = 1;
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}
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// CHECK: more_stack_args: features=2 stack_args=32
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void more_stack_args(long a0, long a1, long a2, long a3, long a4, long a5,
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long a6, long a7, long a8) {
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volatile int x;
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x = 1;
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}
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// CHECK: struct_stack_args: features=2 stack_args=144
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struct large {
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char x[131];
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};
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void struct_stack_args(large a) {
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volatile int x;
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x = 1;
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}
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#define FUNCTIONS \
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FN(empty); \
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FN(ellipsis); \
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FN(non_empty_function); \
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FN(no_stack_args); \
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FN(stack_args); \
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FN(more_stack_args); \
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FN(struct_stack_args); \
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/**/
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#include "common.h"
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