[PATCH] D91972: Improve STRICT_FSETCC codegen in absence of no NaN
Sjoerd Meijer via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Feb 9 01:22:38 PST 2021
SjoerdMeijer accepted this revision.
SjoerdMeijer added inline comments.
This revision is now accepted and ready to land.
================
Comment at: llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp:7129
+ ISD::CondCode Condition = getFCmpCondCode(FPCmp->getPredicate());
+ if (TM.Options.NoNaNsFPMath)
+ Condition = getFCmpCodeWithoutNaN(Condition);
----------------
Nit: perhaps just make this an if-else.
================
Comment at: llvm/test/CodeGen/AArch64/arm64-constrained-fcmp-no-nans-opt.ll:3
+
+declare i1 @llvm.experimental.constrained.fcmp.f32(float, float, metadata, metadata)
+
----------------
Do we need to add tests for .f16 and .f64 just for completeness?
Repository:
rG LLVM Github Monorepo
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https://reviews.llvm.org/D91972/new/
https://reviews.llvm.org/D91972
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