[clang] [lldb] [llvm] [mlir] [APInt] Fix APInt constructions where value does not fit bitwidth (NFCI) (PR #80309)

[Matt Arsenault via cfe-commits]

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@@ -4377,7 +4377,7 @@ AMDGPUInstructionSelector::selectGlobalSAddr(MachineOperand &Root) const {
         // instructions to perform VALU adds with immediates or inline literals.
         unsigned NumLiterals =
             !TII.isInlineConstant(APInt(32, ConstOffset & 0xffffffff)) +
-            !TII.isInlineConstant(APInt(32, ConstOffset >> 32));
+            !TII.isInlineConstant(APInt(32, uint64_t(ConstOffset) >> 32));
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arsenm wrote:

These should probably just use Lo_32/Hi_32

https://github.com/llvm/llvm-project/pull/80309