[llvm] [NVPTX] Teach NVPTX about predicates (PR #67468)

[Fraser Cormack via llvm-commits]

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@@ -0,0 +1,33 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -o - %s -march=nvptx64 -mcpu=sm_35 | FileCheck %s
+
+---
+name:            foo
+alignment:       1
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: int64regs }
+  - { id: 1, class: int64regs }
+  - { id: 2, class: int1regs }
+  - { id: 3, class: int64regs }
+  - { id: 4, class: int64regs }
+frameInfo:
+  maxAlignment:    1
+machineFunctionInfo: {}
+body:             |
+  bb.0:
+    successors:
+    %0:int64regs = IMPLICIT_DEF
+    %1:int64regs = IMPLICIT_DEF
+    %2:int1regs = IMPLICIT_DEF; SETP_s64ri %5, 1, 2, $noreg, 0
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frasercrmck wrote:

This doesn't look right - having these two instructions on the same line. And were the checks really generated by `update_mir_test_checks`? They don't appear in the format I'd expect them.

https://github.com/llvm/llvm-project/pull/67468