[clang] [flang] [llvm] [mlir] Reland "[NVPTX] Validate user-specified PTX version against SM version" (PR #177459)

[Justin Fargnoli via cfe-commits]

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@@ -1,8 +1,8 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
-; RUN: llc < %s -mcpu=sm_50 -mattr=+ptx32 | FileCheck --check-prefixes=CHECK %s
+; RUN: llc < %s -mcpu=sm_50 | FileCheck --check-prefixes=CHECK %s
 ; RUN: llc < %s -mcpu=sm_75 -mattr=+ptx70 | FileCheck --check-prefixes=CHECK-FP16 %s
 ; RUN: llc < %s -mcpu=sm_90 -mattr=+ptx78 | FileCheck --check-prefixes=CHECK-BF16 %s
-; RUN: %if ptxas-sm_50 && ptxas-isa-3.2 %{ llc < %s -mcpu=sm_50 -mattr=+ptx32 | %ptxas-verify -arch=sm_50 %}
+; RUN: %if ptxas-sm_50 %{ llc < %s -mcpu=sm_50 | %ptxas-verify -arch=sm_50 %}
 ; RUN: %if ptxas-sm_75 && ptxas-isa-7.0 %{ llc < %s -mcpu=sm_75 -mattr=+ptx70 | %ptxas-verify -arch=sm_75 %}
 ; RUN: %if ptxas-sm_90 && ptxas-isa-7.8 %{ llc < %s -mcpu=sm_90 -mattr=+ptx78 | %ptxas-verify -arch=sm_90 %}
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justinfargnoli wrote:

PTX ISA 3.2 doesn't support SM 5.0: [PTX Release History](https://docs.nvidia.com/cuda/parallel-thread-execution/index.html#release-notes-ptx-release-history), whereas PTX ISA 7.0 and 7.8 support SM 7.5 and 9.0, respectively. 

https://github.com/llvm/llvm-project/pull/177459