[llvm] [LegalizeTypes] Use APInt::extractBits instead of getRawData. NFC (PR #103607)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-selectiondag

Author: Craig Topper (topperc)

<details>
<summary>Changes</summary>

We shouldn't expose that APInt stores uint64_t values if we don't need to.

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Full diff: https://github.com/llvm/llvm-project/pull/103607.diff


1 Files Affected:

- (modified) llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp (+2-2) 


``````````diff
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
index 7c1cf129d5462..0437d3c11bb2b 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
@@ -1494,8 +1494,8 @@ void DAGTypeLegalizer::ExpandFloatRes_ConstantFP(SDNode *N, SDValue &Lo,
   APInt C = cast<ConstantFPSDNode>(N)->getValueAPF().bitcastToAPInt();
   SDLoc dl(N);
   const fltSemantics &Sem = NVT.getFltSemantics();
-  Lo = DAG.getConstantFP(APFloat(Sem, APInt(64, C.getRawData()[1])), dl, NVT);
-  Hi = DAG.getConstantFP(APFloat(Sem, APInt(64, C.getRawData()[0])), dl, NVT);
+  Lo = DAG.getConstantFP(APFloat(Sem, C.extractBits(64, 64)), dl, NVT);
+  Hi = DAG.getConstantFP(APFloat(Sem, C.extractBits(64, 0)), dl, NVT);
 }
 
 void DAGTypeLegalizer::ExpandFloatRes_Unary(SDNode *N, RTLIB::Libcall LC,

``````````

</details>


https://github.com/llvm/llvm-project/pull/103607