[llvm-bugs] [Bug 45227] New: [Backend][LLC][Matrix][Intrinsics] Do not know how to scalarize the result of this operator

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=45227

            Bug ID: 45227
           Summary: [Backend][LLC][Matrix][Intrinsics] Do not know how to
                    scalarize the result of this operator
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: ntv at google.com
                CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org

Created attachment 23247
  --> https://bugs.llvm.org/attachment.cgi?id=23247&action=edit
Repro for matrix instrinsics scalarize bug.

clang scalarize.ll

```
warning: overriding the module target triple with x86_64-grtev4-linux-gnu
[-Woverride-module]
ScalarizeVectorResult #0: t9: v1f32 = llvm.matrix.multiply
TargetConstant:i64<171>, t4, t7, TargetConstant:i32<1>, TargetConstant:i32<1>,
TargetConstant:i32<1>, <stdin>:5:10

fatal error: error in backend: Do not know how to scalarize the result of this
operator!

clang: error: clang frontend command failed with exit code 70 (use -v to see
invocation)
clang version google3-trunk (378b1e60809df7cc72436093f160b7ed228dad5a)
Target: x86_64-grtev4-linux-gnu
Thread model: posix
```

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