xref: /llvm-project/llvm/test/Transforms/LoopVectorize/reduction-ptr.ll (revision 7d7577256b76e4293f455b8093504d5f7044ab4b)
15b250a27SSanjay Patel; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
22e14900dSBjorn Pettersson; RUN: opt < %s -passes=loop-vectorize -force-vector-width=4 -S | FileCheck %s
35b250a27SSanjay Patel
45b250a27SSanjay Pateltarget datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
55b250a27SSanjay Patel
65b250a27SSanjay Patel; Reductions of pointer types are not supported.
75b250a27SSanjay Patel
8*7d757725SNikita Popovdefine void @PR49215(ptr %p, ptr %q) {
95b250a27SSanjay Patel; CHECK-LABEL: @PR49215(
105b250a27SSanjay Patel; CHECK-NEXT:  entry:
115b250a27SSanjay Patel; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
125b250a27SSanjay Patel; CHECK:       for.body:
135b250a27SSanjay Patel; CHECK-NEXT:    [[IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ]
14*7d757725SNikita Popov; CHECK-NEXT:    [[G:%.*]] = phi ptr [ [[P:%.*]], [[ENTRY]] ], [ [[UMIN:%.*]], [[FOR_BODY]] ]
15*7d757725SNikita Popov; CHECK-NEXT:    [[CMP2:%.*]] = icmp ult ptr [[Q:%.*]], [[G]]
16*7d757725SNikita Popov; CHECK-NEXT:    [[UMIN]] = select i1 [[CMP2]], ptr [[Q]], ptr [[G]]
175b250a27SSanjay Patel; CHECK-NEXT:    [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
185b250a27SSanjay Patel; CHECK-NEXT:    [[EXITCOND:%.*]] = icmp eq i64 [[IV_NEXT]], undef
195b250a27SSanjay Patel; CHECK-NEXT:    br i1 [[EXITCOND]], label [[LOOPEXIT:%.*]], label [[FOR_BODY]]
205b250a27SSanjay Patel; CHECK:       loopexit:
21*7d757725SNikita Popov; CHECK-NEXT:    [[UMIN_LCSSA:%.*]] = phi ptr [ [[UMIN]], [[FOR_BODY]] ]
22*7d757725SNikita Popov; CHECK-NEXT:    [[PHI_CAST:%.*]] = ptrtoint ptr [[UMIN_LCSSA]] to i64
235b250a27SSanjay Patel; CHECK-NEXT:    ret void
245b250a27SSanjay Patel;
255b250a27SSanjay Patelentry:
265b250a27SSanjay Patel  br label %for.body
275b250a27SSanjay Patel
285b250a27SSanjay Patelfor.body:
295b250a27SSanjay Patel  %iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ]
30*7d757725SNikita Popov  %g = phi ptr [ %p, %entry ], [ %umin, %for.body ]
31*7d757725SNikita Popov  %cmp2 = icmp ult ptr %q, %g
32*7d757725SNikita Popov  %umin = select i1 %cmp2, ptr %q, ptr %g
335b250a27SSanjay Patel  %iv.next = add nuw nsw i64 %iv, 1
345b250a27SSanjay Patel  %exitcond = icmp eq i64 %iv.next, undef
355b250a27SSanjay Patel  br i1 %exitcond, label %loopexit, label %for.body
365b250a27SSanjay Patel
375b250a27SSanjay Patelloopexit:
38*7d757725SNikita Popov  %phi.cast = ptrtoint ptr %umin to i64
395b250a27SSanjay Patel  ret void
405b250a27SSanjay Patel}
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