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43 lines
973 B
43 lines
973 B
4 months ago
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// Make sure we're aligning the stack properly when lowering the custom event
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// calls.
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//
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// RUN: %clangxx_xray -std=c++11 %s -o %t
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// RUN: XRAY_OPTIONS="patch_premain=false verbosity=1" \
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// RUN: %run %t 2>&1
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// REQUIRES: x86_64-target-arch
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// REQUIRES: built-in-llvm-tree
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#include <xmmintrin.h>
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#include <stdio.h>
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#include "xray/xray_interface.h"
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[[clang::xray_never_instrument]] __attribute__((weak)) __m128 f(__m128 *i) {
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return *i;
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}
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[[clang::xray_always_instrument]] void foo() {
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__xray_customevent(0, 0);
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__m128 v = {};
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f(&v);
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}
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[[clang::xray_always_instrument]] void bar() {
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__xray_customevent(0, 0);
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}
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void printer(void* ptr, size_t size) {
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printf("handler called\n");
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__m128 v = {};
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f(&v);
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}
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int main(int argc, char* argv[]) {
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__xray_set_customevent_handler(printer);
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__xray_patch();
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foo(); // CHECK: handler called
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bar(); // CHECK: handler called
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__xray_unpatch();
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__xray_remove_customevent_handler();
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foo();
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bar();
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}
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