[llvm] [SDAG] Honor signed arguments in floating point libcalls (PR #109134)
Matt Arsenault via llvm-commits
llvm-commits at lists.llvm.org
Tue Sep 24 10:24:17 PDT 2024
================
@@ -2205,7 +2205,13 @@ void SelectionDAGLegalize::ExpandFPLibCall(SDNode* Node,
Results.push_back(Tmp.first);
Results.push_back(Tmp.second);
} else {
- SDValue Tmp = ExpandLibCall(LC, Node, false).first;
+ bool IsSignedArgument = false;
+ switch (Node->getOpcode()) {
+ case ISD::FLDEXP:
+ IsSignedArgument = true;
+ break;
+ }
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arsenm wrote:
No need to make it complicated for one case; if you wanted a general thing it should be a separate helper function
https://github.com/llvm/llvm-project/pull/109134
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