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authorMatt Arsenault <Matthew.Arsenault@amd.com>2023-08-11 15:05:36 -0400
committerMatt Arsenault <arsenm2@gmail.com>2023-09-13 08:38:48 +0300
commitedecb6048148b7c22cfe567ccbf2dba5e1000bdc (patch)
treec4eed491dc576e52622254b2ccd6c3ea944ff87d /llvm/lib/Analysis/ConstantFolding.cpp
parent00061843bd93b7dd9f83e1448e569e193c22ccf8 (diff)
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Reapply "AMDGPU: Drop and auto-upgrade llvm.amdgcn.ldexp to llvm.ldexp"
This reverts commit d9333e360a7c52587ab6e4328e7493b357fb2cf3.
Diffstat (limited to 'llvm/lib/Analysis/ConstantFolding.cpp')
-rw-r--r--llvm/lib/Analysis/ConstantFolding.cpp11
1 files changed, 0 insertions, 11 deletions
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;
}