[llvm] [LoongArch] Fix assertion failure when vec-args are not fully passed in vec-regs (PR #159568)

[Lu Weining via llvm-commits]

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@@ -0,0 +1,143 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc --mtriple=loongarch32 --mattr=+32s,+lasx < %s | FileCheck %s --check-prefix=LA32
+; RUN: llc --mtriple=loongarch64 --mattr=+lasx < %s | FileCheck %s --check-prefix=LA64
+
+define fastcc <64 x i64> @test1(<64 x i64> %0) {
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SixWeining wrote:

```suggestion
define fastcc <64 x i64> @test1(<64 x i64> %0) nounwind {
```

https://github.com/llvm/llvm-project/pull/159568