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21 lines
705 B
21 lines
705 B
4 months ago
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Instructions to reproduce
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-------------------------
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$ cat main.cpp
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void __attribute__((optnone)) func2() {}
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void __attribute__((noinline)) func1() { func2(); /* tail */ }
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int __attribute__((disable_tail_calls)) main() {
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func1(); /* regular */
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return 0;
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}
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# Adding `-isysroot $(xcrun -sdk iphoneos.internal -show-sdk-path)` can fix
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# linker warnings when building on macOS.
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$ clang -arch arm64 main.cpp -o main.arm64.o -c -g -O2
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$ clang -arch arm64 main.arm64.o -o main.arm64 -g
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RUN: dsymutil -oso-prepend-path %p/../Inputs %p/../Inputs/private/tmp/call_pc/main.arm64 -o %t.dSYM
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RUN: llvm-dwarfdump %t.dSYM | FileCheck %s -implicit-check-not=DW_AT_call_pc
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CHECK: DW_AT_call_pc (0x0000000100007f94)
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