From edecb6048148b7c22cfe567ccbf2dba5e1000bdc Mon Sep 17 00:00:00 2001 From: Matt Arsenault Date: Fri, 11 Aug 2023 15:05:36 -0400 Subject: Reapply "AMDGPU: Drop and auto-upgrade llvm.amdgcn.ldexp to llvm.ldexp" This reverts commit d9333e360a7c52587ab6e4328e7493b357fb2cf3. --- llvm/lib/Analysis/ConstantFolding.cpp | 11 ----------- 1 file changed, 11 deletions(-) (limited to 'llvm/lib/Analysis/ConstantFolding.cpp') diff --git a/llvm/lib/Analysis/ConstantFolding.cpp b/llvm/lib/Analysis/ConstantFolding.cpp index f12a5dd..e08d991 100644 --- a/llvm/lib/Analysis/ConstantFolding.cpp +++ b/llvm/lib/Analysis/ConstantFolding.cpp @@ -1564,7 +1564,6 @@ bool llvm::canConstantFoldCallTo(const CallBase *Call, const Function *F) { case Intrinsic::amdgcn_fmul_legacy: case Intrinsic::amdgcn_fma_legacy: case Intrinsic::amdgcn_fract: - case Intrinsic::amdgcn_ldexp: case Intrinsic::amdgcn_sin: // The intrinsics below depend on rounding mode in MXCSR. case Intrinsic::x86_sse_cvtss2si: @@ -2669,16 +2668,6 @@ static Constant *ConstantFoldScalarCall2(StringRef Name, Ty->getContext(), APFloat((double)std::pow(Op1V.convertToDouble(), (int)Op2C->getZExtValue()))); - - if (IntrinsicID == Intrinsic::amdgcn_ldexp) { - // FIXME: Should flush denorms depending on FP mode, but that's ignored - // everywhere else. - - // scalbn is equivalent to ldexp with float radix 2 - APFloat Result = scalbn(Op1->getValueAPF(), Op2C->getSExtValue(), - APFloat::rmNearestTiesToEven); - return ConstantFP::get(Ty->getContext(), Result); - } } return nullptr; } -- cgit v1.1