[llvm-branch-commits] [clang] [llvm] [AMDGPU] Add support for `v_prng_b32` on gfx1250 (PR #149450)

[Matt Arsenault via llvm-branch-commits]

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@@ -4007,7 +4007,8 @@ SDValue AMDGPUTargetLowering::performIntrinsicWOChainCombine(
   case Intrinsic::amdgcn_rcp_legacy:
   case Intrinsic::amdgcn_rsq_legacy:
   case Intrinsic::amdgcn_rsq_clamp:
-  case Intrinsic::amdgcn_tanh: {
+  case Intrinsic::amdgcn_tanh:
+  case Intrinsic::amdgcn_prng_b32: {
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arsenm wrote:

This is unrelated to base support, the comment is unrelated, and I'm not sure it's safe to fold this 

https://github.com/llvm/llvm-project/pull/149450