[clang] [llvm] [mlir] [clang][NVPTX] Add support for pzo in f32/f16x2/bf16x2 to FP4 conversions (PR #225318)

[Durgadoss R via llvm-commits]

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@@ -0,0 +1,253 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
+; RUN: llc < %s -mtriple=nvptx64 -mcpu=sm_107f -mattr=+ptx94 | FileCheck %s
+; RUN: %if ptxas-sm_107f && ptxas-isa-9.4 %{ llc < %s -mtriple=nvptx64 -mcpu=sm_107f -mattr=+ptx94 | %ptxas-verify -arch=sm_107f %}
+
+; E2M1X2 conversions from f32
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durga4github wrote:

...with pzo

https://github.com/llvm/llvm-project/pull/225318