forked from OSchip/llvm-project
46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
// RUN: %clang_cl -MD -Od %s -o %t.exe -fuse-ld=lld -Z7
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// RUN: grep DE[B]UGGER: %s | sed -e 's/.*DE[B]UGGER: //' > %t.script
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// RUN: %cdb -cf %t.script %t.exe | FileCheck %s --check-prefixes=DEBUGGER,CHECK
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//
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// RUN: %clang_cl -MD -O2 %s -o %t.exe -fuse-ld=lld -Z7
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// RUN: grep DE[B]UGGER: %s | sed -e 's/.*DE[B]UGGER: //' > %t.script
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// RUN: %cdb -cf %t.script %t.exe | FileCheck %s --check-prefixes=DEBUGGER,CHECK
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// This code is structured to have an early exit with an epilogue in the middle
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// of the function, which creates a gap between the beginning of the inlined
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// code region and the end. Previously, this confused cdb.
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volatile bool shutting_down_ = true;
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volatile bool tearing_down_ = true;
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void __attribute__((optnone)) setCrashString(const char *) {}
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void __attribute__((optnone)) doTailCall() {}
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extern "C" void __declspec(noreturn) abort();
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void __forceinline inlineCrashFrame() {
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if (shutting_down_ || tearing_down_) {
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setCrashString("crashing");
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__debugbreak();
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// MSVC lays out calls to abort out of line, gets the layout we want.
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abort();
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}
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}
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void __declspec(noinline) callerOfInlineCrashFrame(bool is_keeping_alive) {
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if (is_keeping_alive)
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inlineCrashFrame();
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else
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doTailCall();
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}
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int __attribute__((optnone)) main() {
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callerOfInlineCrashFrame(true);
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}
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// DEBUGGER: g
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// DEBUGGER: k3
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// CHECK: {{.*}}!inlineCrashFrame
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// CHECK: {{.*}}!callerOfInlineCrashFrame
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// CHECK: {{.*}}!main
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// DEBUGGER: q
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