[llvm-branch-commits] [llvm] [AMDGPU] Tail call support for whole wave functions (PR #145860)

[Shilei Tian via llvm-branch-commits]

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@@ -8901,6 +8906,29 @@ SelectionDAGBuilder::lowerInvokable(TargetLowering::CallLoweringInfo &CLI,
   return Result;
 }
 
+bool SelectionDAGBuilder::canTailCall(const CallBase &CB) const {
+  bool isMustTailCall = CB.isMustTailCall();
+
+  // Avoid emitting tail calls in functions with the disable-tail-calls
+  // attribute.
+  auto *Caller = CB.getParent()->getParent();
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shiltian wrote:

no auto

https://github.com/llvm/llvm-project/pull/145860