llvm/llvm/test/Analysis/LoopAccessAnalysis/pr96656.ll

; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 5
; RUN: opt -passes='print<access-info>' -disable-output %s 2>&1 | FileCheck %s

define void @false.equal.predicate(ptr %arg, ptr %arg1, i1 %arg2) {
; CHECK-LABEL: 'false.equal.predicate'
; CHECK-NEXT:    loop.body:
; CHECK-NEXT:      Memory dependences are safe
; CHECK-NEXT:      Dependences:
; CHECK-NEXT:      Run-time memory checks:
; CHECK-NEXT:      Grouped accesses:
; CHECK-EMPTY:
; CHECK-NEXT:      Non vectorizable stores to invariant address were not found in loop.
; CHECK-NEXT:      SCEV assumptions:
; CHECK-NEXT:      Equal predicate: %load == 1
; CHECK-EMPTY:
; CHECK-NEXT:      Expressions re-written:
; CHECK-NEXT:      [PSE] %gep10 = getelementptr double, ptr %gep8, i64 %mul:
; CHECK-NEXT:        {(8 + %arg1),+,(8 * (sext i32 %load to i64))<nsw>}<%loop.body>
; CHECK-NEXT:        --> {(8 + %arg1),+,8}<%loop.body>
;
entry:
  %load = load i32, ptr %arg, align 4
  br i1 %arg2, label %noloop.exit, label %loop.ph

loop.ph:                                          ; preds = %entry
  %sext7 = sext i32 %load to i64
  %gep8 = getelementptr i8, ptr %arg1, i64 8
  br label %loop.body

loop.body:                                        ; preds = %loop.body, %loop.ph
  %phi = phi i64 [ 0, %loop.ph ], [ %add, %loop.body ]
  %mul = mul i64 %phi, %sext7
  %gep10 = getelementptr double, ptr %gep8, i64 %mul
  %load11 = load double, ptr %gep10, align 8
  store double %load11, ptr %arg1, align 8
  %add = add i64 %phi, 1
  %icmp = icmp eq i64 %phi, 0
  br i1 %icmp, label %loop.exit, label %loop.body

noloop.exit:                                      ; preds = %entry
  %sext = sext i32 %load to i64
  %gep = getelementptr double, ptr %arg1, i64 %sext
  %load5 = load double, ptr %gep, align 8
  store double %load5, ptr %arg, align 8
  ret void

loop.exit:                                        ; preds = %loop.body
  ret void
}