[PATCH] D79830: Add support of __builtin_expect_with_probability

[Aaron Enye Shi via Phabricator via llvm-commits]

ashi1 added subscribers: yaxunl, ashi1.
ashi1 added a comment.

Hi, I am getting a compiler error due to this patch. I am using cmake command: cmake ../llvm -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_PROJECTS="clang;lld;clang-tools-extra" -DLLVM_TARGETS_TO_BUILD="AMDGPU;X86" -DLLVM_ENABLE_ASSERTIONS=1 . Could you please take a look?

**Error:**
/root/llvm-project/llvm/lib/Transforms/Scalar/LowerExpectIntrinsic.cpp: In function 'std::tuple<unsigned int, unsigned int> getBranchWeight(llvm::Intrinsic::ID, llvm::CallInst*, int)':
/root/llvm-project/llvm/lib/Transforms/Scalar/LowerExpectIntrinsic.cpp:62:53: error: converting to 'std::tuple<unsigned int, unsigned int>' from initializer list would use explicit constructor 'constexpr std::tuple<_T1, _T2>::tuple(_U1&&, _U2&&) [with _U1 = llvm:🆑:opt<unsigned int>&; _U2 = llvm:🆑:opt<unsigned int>&; <template-parameter-2-3> = void; _T1 = unsigned int; _T2 = unsigned int]'

  return {LikelyBranchWeight, UnlikelyBranchWeight};
                                                  ^

/root/llvm-project/llvm/lib/Transforms/Scalar/LowerExpectIntrinsic.cpp:74:33: error: converting to 'std::tuple<unsigned int, unsigned int>' from initializer list would use explicit constructor 'constexpr std::tuple<_T1, _T2>::tuple(_U1&&, _U2&&) [with _U1 = unsigned int&; _U2 = unsigned int&; <template-parameter-2-3> = void; _T1 = unsigned int; _T2 = unsigned int]'

  return {LikelyBW, UnlikelyBW};
                              ^


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https://reviews.llvm.org/D79830