llvm/llvm/test/Analysis/ScalarEvolution/pr62430.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
; RUN: opt -loop-reduce -S < %s | FileCheck %s

target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128-ni:1-p2:32:8:8:32-ni:2"
target triple = "x86_64-unknown-linux-gnu"

define void @test() {
; CHECK-LABEL: define void @test() {
; CHECK-NEXT:  bb:
; CHECK-NEXT:    br label [[BB3:%.*]]
; CHECK:       bb3:
; CHECK-NEXT:    [[LSR_IV1:%.*]] = phi i32 [ [[LSR_IV_NEXT2:%.*]], [[BB7:%.*]] ], [ 0, [[BB:%.*]] ]
; CHECK-NEXT:    [[LSR_IV:%.*]] = phi i32 [ [[LSR_IV_NEXT:%.*]], [[BB7]] ], [ 16, [[BB]] ]
; CHECK-NEXT:    br label [[BB4:%.*]]
; CHECK:       bb4:
; CHECK-NEXT:    [[LSR_IV3:%.*]] = phi i32 [ [[LSR_IV_NEXT4:%.*]], [[BB6:%.*]] ], [ [[LSR_IV1]], [[BB3]] ]
; CHECK-NEXT:    br i1 true, label [[BB7]], label [[BB6]]
; CHECK:       bb6:
; CHECK-NEXT:    [[LSR_IV_NEXT4]] = add i32 [[LSR_IV3]], 268435456
; CHECK-NEXT:    br label [[BB4]]
; CHECK:       bb7:
; CHECK-NEXT:    [[MUL9:%.*]] = mul i32 [[LSR_IV3]], [[LSR_IV3]]
; CHECK-NEXT:    [[MUL10:%.*]] = mul i32 [[MUL9]], [[LSR_IV3]]
; CHECK-NEXT:    call void @foo(i32 [[MUL10]])
; CHECK-NEXT:    [[SEXT:%.*]] = sext i32 [[MUL10]] to i64
; CHECK-NEXT:    [[LSR_IV_NEXT]] = add i32 [[LSR_IV]], 32
; CHECK-NEXT:    [[LSR_IV_NEXT2]] = add i32 [[LSR_IV1]], [[LSR_IV]]
; CHECK-NEXT:    br label [[BB3]]
;
bb:
  br label %bb3

bb3:                                              ; preds = %bb7, %bb
  %phi = phi i64 [ 0, %bb ], [ %add11, %bb7 ]
  br label %bb4

bb4:                                              ; preds = %bb6, %bb3
  %phi5 = phi i32 [ 0, %bb3 ], [ %add, %bb6 ]
  br i1 true, label %bb7, label %bb6

bb6:                                              ; preds = %bb4
  %add = add i32 %phi5, 8
  br label %bb4

bb7:                                              ; preds = %bb4
  %shl = shl i32 %phi5, 25
  %mul = mul i64 %phi, %phi
  %trunc = trunc i64 %mul to i32
  %add8 = add i32 %shl, %trunc
  %mul9 = mul i32 %add8, %add8
  %mul10 = mul i32 %mul9, %add8
  call void @foo(i32 %mul10)
  %sext = sext i32 %mul10 to i64
  %add11 = add i64 %phi, 4
  br label %bb3
}

declare void @foo(i32)