llvm/test/Transforms/LoopVectorize/AMDGPU/buffer-fat-pointer.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -mtriple=amdgcn-amd-amdhsa -mcpu=gfx942 -passes=loop-vectorize -S < %s | FileCheck %s

; Reduced from a crash, variables added to make things more realistic.
; This is a roundabout test for TargetLowering::getValueType() returning
; a reasonable value for <N x p7> instead of asserting.
define amdgpu_kernel void @_dynamic_pack_simple_dispatch_0_pack_i32(ptr addrspace(1) %.ptr, i64 %v) {
; CHECK-LABEL: define amdgpu_kernel void @_dynamic_pack_simple_dispatch_0_pack_i32(
; CHECK-SAME: ptr addrspace(1) [[DOTPTR:%.*]], i64 [[V:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT:  [[ENTRY:.*]]:
; CHECK-NEXT:    [[DOTRSRC:%.*]] = call ptr addrspace(8) @llvm.amdgcn.make.buffer.rsrc.p8.p1(ptr addrspace(1) [[DOTPTR]], i16 0, i64 2147483648, i32 159744)
; CHECK-NEXT:    [[TMP1:%.*]] = addrspacecast ptr addrspace(8) [[DOTRSRC]] to ptr addrspace(7)
; CHECK-NEXT:    br label %[[LOOP:.*]]
; CHECK:       [[LOOP]]:
; CHECK-NEXT:    [[TMP3:%.*]] = phi i64 [ 0, %[[ENTRY]] ], [ [[TMP5:%.*]], %[[LOOP]] ]
; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr i32, ptr addrspace(7) [[TMP1]], i32 0
; CHECK-NEXT:    [[TMP5]] = add i64 [[TMP3]], 1
; CHECK-NEXT:    [[EXITCOND_NOT:%.*]] = icmp eq i64 [[TMP3]], [[V]]
; CHECK-NEXT:    br i1 [[EXITCOND_NOT]], label %[[EXIT:.*]], label %[[LOOP]]
; CHECK:       [[EXIT]]:
; CHECK-NEXT:    ret void
;
entry:
  %rsrc = call ptr addrspace(8) @llvm.amdgcn.make.buffer.rsrc.p1(ptr addrspace(1) %.ptr, i16 0, i64 2147483648, i32 159744)
  %fat = addrspacecast ptr addrspace(8) %rsrc to ptr addrspace(7)
  br label %loop

loop:                                                ; preds = %loop, %entry
  %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
  %ptr = getelementptr i32, ptr addrspace(7) %fat, i32 0
  %iv.next = add i64 %iv, 1
  %exitcond.not = icmp eq i64 %iv, %v
  br i1 %exitcond.not, label %exit, label %loop

exit:                             ; preds = %exit
  ret void
}

declare ptr addrspace(8) @llvm.amdgcn.make.buffer.rsrc.p1(ptr addrspace(1) readnone, i16, i64, i32)