[clang] [compiler-rt] [llvm] [InstrFDO][TypeProf] Implement binary instrumentation and profile read/write (PR #66825)

[Snehasish Kumar via cfe-commits]

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+// REQUIRES: lld-available
+
+// RUN: rm -rf %t && split-file %s %t && cd %t
+//
+// RUN: %clangxx_pgogen -fuse-ld=lld -O2 -g -fprofile-generate=. -mllvm -enable-vtable-value-profiling test.cpp -o test
+// RUN: env LLVM_PROFILE_FILE=test.profraw ./test
+
+// Show vtable profiles from raw profile.
+// RUN: llvm-profdata show --function=main --ic-targets -show-vtables test.profraw | FileCheck %s --check-prefixes=COMMON,RAW
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snehasish wrote:

nit: the show-vtables option has a single hyphen here as opposed to double elsewhere.

https://github.com/llvm/llvm-project/pull/66825