[llvm-bugs] [Bug 38810] New: masked gather broken on mips

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=38810

            Bug ID: 38810
           Summary: masked gather broken on mips
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: gonzalobg88 at gmail.com
                CC: dragan.mladjenovic at rt-rk.com, llvm-bugs at lists.llvm.org

declare <8 x float> @llvm.masked.gather.v8f32.v8p0f32(
  <8 x float*>, i32, <8 x i1>, <8 x float>
)

define <8 x float> @foo(<8 x float*>, i32, <8 x i1>, <8 x float>) {
  %5 = tail call <8 x float> @llvm.masked.gather.v8f32.v8p0f32(
  <8 x float*> %0, i32 %1, <8 x i1> %2, <8 x float> %3
  )
  ret <8 x float> %5
}

errors with (https://gcc.godbolt.org/z/erTVaQ)

huge alignment values are unsupported
  %Load0 = load float, float* %Ptr0, align 3221225472
huge alignment values are unsupported
  %Load1 = load float, float* %Ptr1, align 3221225472
huge alignment values are unsupported
  %Load2 = load float, float* %Ptr2, align 3221225472
huge alignment values are unsupported
  %Load3 = load float, float* %Ptr3, align 3221225472
huge alignment values are unsupported
  %Load4 = load float, float* %Ptr4, align 3221225472
huge alignment values are unsupported
  %Load5 = load float, float* %Ptr5, align 3221225472
huge alignment values are unsupported
  %Load6 = load float, float* %Ptr6, align 3221225472
huge alignment values are unsupported
  %Load7 = load float, float* %Ptr7, align 3221225472
LLVM ERROR: Broken function found, compilation aborted!
Compiler returned: 1

---

A similar error is produced for `v16f32` (https://gcc.godbolt.org/z/44tbCt). I
tried the masked scatter instruction for both v8f32 and v16f32 and it seems to
be working properly (https://gcc.godbolt.org/z/GEyJ0G).

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