File: maxclusterrank.ll

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llvm-toolchain-19 1%3A19.1.7-3
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; RUN: llc < %s -march=nvptx64 -mcpu=sm_90 | FileCheck %s --check-prefixes=CHECK,CHECK_SM_90
; RUN: llc < %s -march=nvptx64 -mcpu=sm_80 | FileCheck %s --check-prefixes=CHECK,CHECK_SM_80

target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v16:16:16-v32:32:32-v64:64:64-v128:128:128-n16:32:64"
target triple = "nvptx64-unknown-unknown"

; CHECK: .maxntid 128, 1, 1
; CHECK: .minnctapersm 2
; CHECK_SM_90: .maxclusterrank 8
; CHECK_SM_80-NOT: .maxclusterrank 8

; Make sure that for SM version prior to 90 `.maxclusterrank` directive is
; sielently ignored.
define dso_local void @_Z18TestMaxClusterRankv() {
entry:
  %a = alloca i32, align 4
  store volatile i32 1, ptr %a, align 4
  ret void
}

!nvvm.annotations = !{!0, !1, !2, !3}

!0 = !{ptr @_Z18TestMaxClusterRankv, !"kernel", i32 1}
!1 = !{ptr @_Z18TestMaxClusterRankv, !"maxntidx", i32 128}
!2 = !{ptr @_Z18TestMaxClusterRankv, !"minctasm", i32 2}
!3 = !{ptr @_Z18TestMaxClusterRankv, !"maxclusterrank", i32 8}