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TheRock/compiler/amd-llvm/llvm/test/Transforms/LoopVectorize/reduction-ptr.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

41 lines
1.5 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=loop-vectorize -force-vector-width=4 -S | FileCheck %s
target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
; Reductions of pointer types are not supported.
define void @PR49215(ptr %p, ptr %q) {
; CHECK-LABEL: @PR49215(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ]
; CHECK-NEXT: [[G:%.*]] = phi ptr [ [[P:%.*]], [[ENTRY]] ], [ [[UMIN:%.*]], [[FOR_BODY]] ]
; CHECK-NEXT: [[CMP2:%.*]] = icmp ult ptr [[Q:%.*]], [[G]]
; CHECK-NEXT: [[UMIN]] = select i1 [[CMP2]], ptr [[Q]], ptr [[G]]
; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[IV_NEXT]], 123
; CHECK-NEXT: br i1 [[EXITCOND]], label [[LOOPEXIT:%.*]], label [[FOR_BODY]]
; CHECK: loopexit:
; CHECK-NEXT: [[UMIN_LCSSA:%.*]] = phi ptr [ [[UMIN]], [[FOR_BODY]] ]
; CHECK-NEXT: [[PHI_CAST:%.*]] = ptrtoint ptr [[UMIN_LCSSA]] to i64
; CHECK-NEXT: ret void
;
entry:
br label %for.body
for.body:
%iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ]
%g = phi ptr [ %p, %entry ], [ %umin, %for.body ]
%cmp2 = icmp ult ptr %q, %g
%umin = select i1 %cmp2, ptr %q, ptr %g
%iv.next = add nuw nsw i64 %iv, 1
%exitcond = icmp eq i64 %iv.next, 123
br i1 %exitcond, label %loopexit, label %for.body
loopexit:
%phi.cast = ptrtoint ptr %umin to i64
ret void
}