[llvm] [RISCV][GlobalISel] Vector Extension vadd Legalizer (PR #71400)

[Jiahan Xie via llvm-commits]

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@@ -3,16 +3,56 @@
 # RUN: | FileCheck %s
 
 ---
-name:		test_vadd
+name:		test_nxv1s8
 body:		 |
   bb.0.entry:
-    ; CHECK-LABEL: name: test_vadd
-    ; CHECK: [[COPY:%[0-9]+]]:_(<vscale x 1 x s32>) = COPY $v8
-    ; CHECK: [[COPY1:%[0-9]+]]:_(<vscale x 1 x s32>) = COPY $v9
-    ; CHECK-NEXT: [[VADD:%[0-9]+]]:_(<vscale 1 x s32>) = G_ADD [[COPY]], [[COPY1]]
-    ; CHECK-NEXT: PseudoRET implicit VADD
+    %0:_(<vscale x 1 x s8>) = COPY $v8
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jiahanxie353 wrote:

> They should have test checks. Can you investigate what is needed so that test checks are generated for all test cases in the test file?

It was funky, basically it's because I used tabs `\t` insteaed space ` ` for the `v1` test cases, and the `update_mir_test_checks.py` state transition just go unexpectedly, resulting in no checks generated ...

https://github.com/llvm/llvm-project/pull/71400