xref: /llvm-project/llvm/test/Transforms/LoopUnroll/runtime-exit-phi-scev-invalidation.ll (revision 37c736e0359770b6a2d2139d84f9df400f4b1049)

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes='loop-unroll<runtime;partial>' -S %s | FileCheck %s

target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-ni:1-p2:32:8:8:32-ni:2"

; Make sure SCEVs for phis are properly invalidated after phis are modified.

declare void @llvm.experimental.deoptimize.isVoid(...)

declare i32 @get()

define void @pr56282() {
; CHECK-LABEL: @pr56282(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    br label [[OUTER_HEADER:%.*]]
; CHECK:       outer.header:
; CHECK-NEXT:    [[OUTER_IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[OUTER_IV_NEXT:%.*]], [[INNER_2:%.*]] ]
; CHECK-NEXT:    [[TMP0:%.*]] = add i64 [[OUTER_IV]], 1
; CHECK-NEXT:    [[TMP1:%.*]] = freeze i64 [[TMP0]]
; CHECK-NEXT:    [[TMP2:%.*]] = add i64 [[TMP1]], -1
; CHECK-NEXT:    [[XTRAITER:%.*]] = and i64 [[TMP1]], 7
; CHECK-NEXT:    [[TMP3:%.*]] = icmp ult i64 [[TMP2]], 7
; CHECK-NEXT:    br i1 [[TMP3]], label [[OUTER_MIDDLE_UNR_LCSSA:%.*]], label [[OUTER_HEADER_NEW:%.*]]
; CHECK:       outer.header.new:
; CHECK-NEXT:    [[UNROLL_ITER:%.*]] = sub i64 [[TMP1]], [[XTRAITER]]
; CHECK-NEXT:    br label [[INNER_1_HEADER:%.*]]
; CHECK:       inner.1.header:
; CHECK-NEXT:    [[INNER_1_IV:%.*]] = phi i64 [ 0, [[OUTER_HEADER_NEW]] ], [ [[INNER_1_IV_NEXT_7:%.*]], [[INNER_1_LATCH_7:%.*]] ]
; CHECK-NEXT:    [[NITER:%.*]] = phi i64 [ 0, [[OUTER_HEADER_NEW]] ], [ [[NITER_NEXT_7:%.*]], [[INNER_1_LATCH_7]] ]
; CHECK-NEXT:    [[V:%.*]] = call i32 @get()
; CHECK-NEXT:    [[C_1:%.*]] = icmp ugt i32 [[V]], 0
; CHECK-NEXT:    br i1 [[C_1]], label [[INNER_1_LATCH:%.*]], label [[EXIT_DEOPT_LOOPEXIT:%.*]]
; CHECK:       inner.1.latch:
; CHECK-NEXT:    [[V_1:%.*]] = call i32 @get()
; CHECK-NEXT:    [[C_1_1:%.*]] = icmp ugt i32 [[V_1]], 0
; CHECK-NEXT:    br i1 [[C_1_1]], label [[INNER_1_LATCH_1:%.*]], label [[EXIT_DEOPT_LOOPEXIT]]
; CHECK:       inner.1.latch.1:
; CHECK-NEXT:    [[V_2:%.*]] = call i32 @get()
; CHECK-NEXT:    [[C_1_2:%.*]] = icmp ugt i32 [[V_2]], 0
; CHECK-NEXT:    br i1 [[C_1_2]], label [[INNER_1_LATCH_2:%.*]], label [[EXIT_DEOPT_LOOPEXIT]]
; CHECK:       inner.1.latch.2:
; CHECK-NEXT:    [[V_3:%.*]] = call i32 @get()
; CHECK-NEXT:    [[C_1_3:%.*]] = icmp ugt i32 [[V_3]], 0
; CHECK-NEXT:    br i1 [[C_1_3]], label [[INNER_1_LATCH_3:%.*]], label [[EXIT_DEOPT_LOOPEXIT]]
; CHECK:       inner.1.latch.3:
; CHECK-NEXT:    [[V_4:%.*]] = call i32 @get()
; CHECK-NEXT:    [[C_1_4:%.*]] = icmp ugt i32 [[V_4]], 0
; CHECK-NEXT:    br i1 [[C_1_4]], label [[INNER_1_LATCH_4:%.*]], label [[EXIT_DEOPT_LOOPEXIT]]
; CHECK:       inner.1.latch.4:
; CHECK-NEXT:    [[V_5:%.*]] = call i32 @get()
; CHECK-NEXT:    [[C_1_5:%.*]] = icmp ugt i32 [[V_5]], 0
; CHECK-NEXT:    br i1 [[C_1_5]], label [[INNER_1_LATCH_5:%.*]], label [[EXIT_DEOPT_LOOPEXIT]]
; CHECK:       inner.1.latch.5:
; CHECK-NEXT:    [[V_6:%.*]] = call i32 @get()
; CHECK-NEXT:    [[C_1_6:%.*]] = icmp ugt i32 [[V_6]], 0
; CHECK-NEXT:    br i1 [[C_1_6]], label [[INNER_1_LATCH_6:%.*]], label [[EXIT_DEOPT_LOOPEXIT]]
; CHECK:       inner.1.latch.6:
; CHECK-NEXT:    [[INNER_1_IV_NEXT_7]] = add nuw nsw i64 [[INNER_1_IV]], 8
; CHECK-NEXT:    [[V_7:%.*]] = call i32 @get()
; CHECK-NEXT:    [[C_1_7:%.*]] = icmp ugt i32 [[V_7]], 0
; CHECK-NEXT:    br i1 [[C_1_7]], label [[INNER_1_LATCH_7]], label [[EXIT_DEOPT_LOOPEXIT]]
; CHECK:       inner.1.latch.7:
; CHECK-NEXT:    [[NITER_NEXT_7]] = add i64 [[NITER]], 8
; CHECK-NEXT:    [[NITER_NCMP_7:%.*]] = icmp ne i64 [[NITER_NEXT_7]], [[UNROLL_ITER]]
; CHECK-NEXT:    br i1 [[NITER_NCMP_7]], label [[INNER_1_HEADER]], label [[OUTER_MIDDLE_UNR_LCSSA_LOOPEXIT:%.*]]
; CHECK:       outer.middle.unr-lcssa.loopexit:
; CHECK-NEXT:    [[V_LCSSA1_PH_PH:%.*]] = phi i32 [ [[V_7]], [[INNER_1_LATCH_7]] ]
; CHECK-NEXT:    [[INNER_1_IV_UNR_PH:%.*]] = phi i64 [ [[INNER_1_IV_NEXT_7]], [[INNER_1_LATCH_7]] ]
; CHECK-NEXT:    br label [[OUTER_MIDDLE_UNR_LCSSA]]
; CHECK:       outer.middle.unr-lcssa:
; CHECK-NEXT:    [[V_LCSSA1_PH:%.*]] = phi i32 [ poison, [[OUTER_HEADER]] ], [ [[V_LCSSA1_PH_PH]], [[OUTER_MIDDLE_UNR_LCSSA_LOOPEXIT]] ]
; CHECK-NEXT:    [[INNER_1_IV_UNR:%.*]] = phi i64 [ 0, [[OUTER_HEADER]] ], [ [[INNER_1_IV_UNR_PH]], [[OUTER_MIDDLE_UNR_LCSSA_LOOPEXIT]] ]
; CHECK-NEXT:    [[LCMP_MOD:%.*]] = icmp ne i64 [[XTRAITER]], 0
; CHECK-NEXT:    br i1 [[LCMP_MOD]], label [[INNER_1_HEADER_EPIL_PREHEADER:%.*]], label [[OUTER_MIDDLE:%.*]]
; CHECK:       inner.1.header.epil.preheader:
; CHECK-NEXT:    br label [[INNER_1_HEADER_EPIL:%.*]]
; CHECK:       inner.1.header.epil:
; CHECK-NEXT:    [[INNER_1_IV_EPIL:%.*]] = phi i64 [ [[INNER_1_IV_UNR]], [[INNER_1_HEADER_EPIL_PREHEADER]] ], [ [[INNER_1_IV_NEXT_EPIL:%.*]], [[INNER_1_LATCH_EPIL:%.*]] ]
; CHECK-NEXT:    [[EPIL_ITER:%.*]] = phi i64 [ 0, [[INNER_1_HEADER_EPIL_PREHEADER]] ], [ [[EPIL_ITER_NEXT:%.*]], [[INNER_1_LATCH_EPIL]] ]
; CHECK-NEXT:    [[INNER_1_IV_NEXT_EPIL]] = add nuw nsw i64 [[INNER_1_IV_EPIL]], 1
; CHECK-NEXT:    [[V_EPIL:%.*]] = call i32 @get()
; CHECK-NEXT:    [[C_1_EPIL:%.*]] = icmp ugt i32 [[V_EPIL]], 0
; CHECK-NEXT:    br i1 [[C_1_EPIL]], label [[INNER_1_LATCH_EPIL]], label [[EXIT_DEOPT_LOOPEXIT3:%.*]]
; CHECK:       inner.1.latch.epil:
; CHECK-NEXT:    [[C_2_EPIL:%.*]] = icmp ult i64 [[INNER_1_IV_EPIL]], [[OUTER_IV]]
; CHECK-NEXT:    [[EPIL_ITER_NEXT]] = add i64 [[EPIL_ITER]], 1
; CHECK-NEXT:    [[EPIL_ITER_CMP:%.*]] = icmp ne i64 [[EPIL_ITER_NEXT]], [[XTRAITER]]
; CHECK-NEXT:    br i1 [[EPIL_ITER_CMP]], label [[INNER_1_HEADER_EPIL]], label [[OUTER_MIDDLE_EPILOG_LCSSA:%.*]], !llvm.loop [[LOOP0:![0-9]+]]
; CHECK:       outer.middle.epilog-lcssa:
; CHECK-NEXT:    [[V_LCSSA1_PH2:%.*]] = phi i32 [ [[V_EPIL]], [[INNER_1_LATCH_EPIL]] ]
; CHECK-NEXT:    br label [[OUTER_MIDDLE]]
; CHECK:       outer.middle:
; CHECK-NEXT:    [[V_LCSSA1:%.*]] = phi i32 [ [[V_LCSSA1_PH]], [[OUTER_MIDDLE_UNR_LCSSA]] ], [ [[V_LCSSA1_PH2]], [[OUTER_MIDDLE_EPILOG_LCSSA]] ]
; CHECK-NEXT:    [[C_3:%.*]] = icmp ugt i32 [[V_LCSSA1]], 0
; CHECK-NEXT:    br i1 [[C_3]], label [[INNER_2_PREHEADER:%.*]], label [[EXIT:%.*]]
; CHECK:       inner.2.preheader:
; CHECK-NEXT:    br label [[INNER_2]]
; CHECK:       inner.2:
; CHECK-NEXT:    [[OUTER_IV_NEXT]] = add nuw i64 [[OUTER_IV]], 1
; CHECK-NEXT:    br label [[OUTER_HEADER]]
; CHECK:       exit:
; CHECK-NEXT:    ret void
; CHECK:       exit.deopt.loopexit:
; CHECK-NEXT:    br label [[EXIT_DEOPT:%.*]]
; CHECK:       exit.deopt.loopexit3:
; CHECK-NEXT:    br label [[EXIT_DEOPT]]
; CHECK:       exit.deopt:
; CHECK-NEXT:    call void (...) @llvm.experimental.deoptimize.isVoid(i32 0) [ "deopt"() ]
; CHECK-NEXT:    ret void
;
entry:
  br label %outer.header

outer.header:
  %outer.iv = phi i64 [ 0, %entry ], [ %outer.iv.next, %outer.latch ]
  br label %inner.1.header

inner.1.header:
  %inner.1.iv = phi i64 [ 0, %outer.header ], [ %inner.1.iv.next, %inner.1.latch ]
  %inner.1.iv.next = add nuw nsw i64 %inner.1.iv, 1
  %v = call i32 @get()
  %c.1 = icmp ugt i32 %v, 0
  br i1 %c.1, label %inner.1.latch, label %exit.deopt

inner.1.latch:                                    ; preds = %inner.1.header
  %c.2 = icmp ult i64 %inner.1.iv, %outer.iv
  br i1 %c.2, label %inner.1.header, label %outer.middle

outer.middle:
  %c.3 = icmp ugt i32 %v, 0
  br i1 %c.3, label %inner.2, label %exit

inner.2:
  %inner.2.iv = phi i64 [ 0, %outer.middle ], [ %inner.2.iv.next, %inner.2 ]
  %inner.2.iv.next = add nsw i64 %inner.2.iv, -1
  %iv.trunc = trunc i64 %inner.2.iv to i32
  %c.4 = icmp ult i32 %v, %iv.trunc
  br i1 %c.4, label %inner.2, label %outer.latch

outer.latch:
  %outer.iv.next = add nuw nsw i64 %outer.iv, 1
  br label %outer.header

exit:
  ret void

exit.deopt:
  call void (...) @llvm.experimental.deoptimize.isVoid(i32 0) [ "deopt"() ]
  ret void
}

declare void @bar()
declare void @use.2(ptr, i32)

define void @pr56286(i64 %x, ptr %src, ptr %dst, ptr %ptr.src) !prof !0 {
; CHECK-LABEL: @pr56286(
; CHECK-NEXT:  bb:
; CHECK-NEXT:    [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[X:%.*]], i64 1)
; CHECK-NEXT:    [[TMP0:%.*]] = add i64 [[SMAX]], 1
; CHECK-NEXT:    [[TMP1:%.*]] = sub i64 [[TMP0]], [[X]]
; CHECK-NEXT:    br label [[OUTER_HEADER:%.*]]
; CHECK:       outer.header:
; CHECK-NEXT:    [[OUTER_P:%.*]] = phi i32 [ 0, [[BB:%.*]] ], [ [[L_1_LCSSA:%.*]], [[OUTER_LATCH:%.*]] ]
; CHECK-NEXT:    [[TMP2:%.*]] = freeze i64 [[TMP1]]
; CHECK-NEXT:    [[TMP3:%.*]] = add i64 [[TMP2]], -1
; CHECK-NEXT:    [[XTRAITER:%.*]] = and i64 [[TMP2]], 7
; CHECK-NEXT:    [[LCMP_MOD:%.*]] = icmp ne i64 [[XTRAITER]], 0
; CHECK-NEXT:    br i1 [[LCMP_MOD]], label [[INNER_1_HEADER_PROL_PREHEADER:%.*]], label [[INNER_1_HEADER_PROL_LOOPEXIT:%.*]], !prof [[PROF3:![0-9]+]]
; CHECK:       inner.1.header.prol.preheader:
; CHECK-NEXT:    br label [[INNER_1_HEADER_PROL:%.*]]
; CHECK:       inner.1.header.prol:
; CHECK-NEXT:    [[INNER_1_IV_PROL:%.*]] = phi i64 [ [[X]], [[INNER_1_HEADER_PROL_PREHEADER]] ], [ [[INNER_1_IV_NEXT_PROL:%.*]], [[INNER_1_LATCH_PROL:%.*]] ]
; CHECK-NEXT:    [[PROL_ITER:%.*]] = phi i64 [ 0, [[INNER_1_HEADER_PROL_PREHEADER]] ], [ [[PROL_ITER_NEXT:%.*]], [[INNER_1_LATCH_PROL]] ]
; CHECK-NEXT:    [[CMP_1_PROL:%.*]] = icmp sgt i32 [[OUTER_P]], 0
; CHECK-NEXT:    br i1 [[CMP_1_PROL]], label [[EXIT_DEOPT_LOOPEXIT1:%.*]], label [[INNER_1_LATCH_PROL]]
; CHECK:       inner.1.latch.prol:
; CHECK-NEXT:    [[L_1_PROL:%.*]] = load i32, ptr [[SRC:%.*]], align 4
; CHECK-NEXT:    store i32 [[L_1_PROL]], ptr [[DST:%.*]], align 8
; CHECK-NEXT:    [[INNER_1_IV_NEXT_PROL]] = add i64 [[INNER_1_IV_PROL]], 1
; CHECK-NEXT:    [[CMP_2_PROL:%.*]] = icmp sgt i64 [[INNER_1_IV_PROL]], 0
; CHECK-NEXT:    [[PROL_ITER_NEXT]] = add i64 [[PROL_ITER]], 1
; CHECK-NEXT:    [[PROL_ITER_CMP:%.*]] = icmp ne i64 [[PROL_ITER_NEXT]], [[XTRAITER]]
; CHECK-NEXT:    br i1 [[PROL_ITER_CMP]], label [[INNER_1_HEADER_PROL]], label [[INNER_1_HEADER_PROL_LOOPEXIT_UNR_LCSSA:%.*]], !prof [[PROF4:![0-9]+]], !llvm.loop [[LOOP5:![0-9]+]]
; CHECK:       inner.1.header.prol.loopexit.unr-lcssa:
; CHECK-NEXT:    [[L_1_LCSSA_UNR_PH:%.*]] = phi i32 [ [[L_1_PROL]], [[INNER_1_LATCH_PROL]] ]
; CHECK-NEXT:    [[INNER_1_IV_UNR_PH:%.*]] = phi i64 [ [[INNER_1_IV_NEXT_PROL]], [[INNER_1_LATCH_PROL]] ]
; CHECK-NEXT:    br label [[INNER_1_HEADER_PROL_LOOPEXIT]]
; CHECK:       inner.1.header.prol.loopexit:
; CHECK-NEXT:    [[L_1_LCSSA_UNR:%.*]] = phi i32 [ poison, [[OUTER_HEADER]] ], [ [[L_1_LCSSA_UNR_PH]], [[INNER_1_HEADER_PROL_LOOPEXIT_UNR_LCSSA]] ]
; CHECK-NEXT:    [[INNER_1_IV_UNR:%.*]] = phi i64 [ [[X]], [[OUTER_HEADER]] ], [ [[INNER_1_IV_UNR_PH]], [[INNER_1_HEADER_PROL_LOOPEXIT_UNR_LCSSA]] ]
; CHECK-NEXT:    [[TMP4:%.*]] = icmp ult i64 [[TMP3]], 7
; CHECK-NEXT:    br i1 [[TMP4]], label [[OUTER_MIDDLE:%.*]], label [[OUTER_HEADER_NEW:%.*]], !prof [[PROF3]]
; CHECK:       outer.header.new:
; CHECK-NEXT:    br label [[INNER_1_HEADER:%.*]]
; CHECK:       inner.1.header:
; CHECK-NEXT:    [[INNER_1_IV:%.*]] = phi i64 [ [[INNER_1_IV_UNR]], [[OUTER_HEADER_NEW]] ], [ [[INNER_1_IV_NEXT_7:%.*]], [[INNER_1_LATCH_7:%.*]] ]
; CHECK-NEXT:    [[CMP_1:%.*]] = icmp sgt i32 [[OUTER_P]], 0
; CHECK-NEXT:    br i1 [[CMP_1]], label [[EXIT_DEOPT_LOOPEXIT:%.*]], label [[INNER_1_LATCH:%.*]]
; CHECK:       inner.1.latch:
; CHECK-NEXT:    [[L_1:%.*]] = load i32, ptr [[SRC]], align 4
; CHECK-NEXT:    store i32 [[L_1]], ptr [[DST]], align 8
; CHECK-NEXT:    br i1 false, label [[EXIT_DEOPT_LOOPEXIT]], label [[INNER_1_LATCH_1:%.*]]
; CHECK:       inner.1.latch.1:
; CHECK-NEXT:    [[L_1_1:%.*]] = load i32, ptr [[SRC]], align 4
; CHECK-NEXT:    store i32 [[L_1_1]], ptr [[DST]], align 8
; CHECK-NEXT:    [[CMP_1_2:%.*]] = icmp sgt i32 [[OUTER_P]], 0
; CHECK-NEXT:    br i1 [[CMP_1_2]], label [[EXIT_DEOPT_LOOPEXIT]], label [[INNER_1_LATCH_2:%.*]]
; CHECK:       inner.1.latch.2:
; CHECK-NEXT:    [[L_1_2:%.*]] = load i32, ptr [[SRC]], align 4
; CHECK-NEXT:    store i32 [[L_1_2]], ptr [[DST]], align 8
; CHECK-NEXT:    br i1 false, label [[EXIT_DEOPT_LOOPEXIT]], label [[INNER_1_LATCH_3:%.*]]
; CHECK:       inner.1.latch.3:
; CHECK-NEXT:    [[L_1_3:%.*]] = load i32, ptr [[SRC]], align 4
; CHECK-NEXT:    store i32 [[L_1_3]], ptr [[DST]], align 8
; CHECK-NEXT:    [[CMP_1_4:%.*]] = icmp sgt i32 [[OUTER_P]], 0
; CHECK-NEXT:    br i1 [[CMP_1_4]], label [[EXIT_DEOPT_LOOPEXIT]], label [[INNER_1_LATCH_4:%.*]]
; CHECK:       inner.1.latch.4:
; CHECK-NEXT:    [[L_1_4:%.*]] = load i32, ptr [[SRC]], align 4
; CHECK-NEXT:    store i32 [[L_1_4]], ptr [[DST]], align 8
; CHECK-NEXT:    br i1 false, label [[EXIT_DEOPT_LOOPEXIT]], label [[INNER_1_LATCH_5:%.*]]
; CHECK:       inner.1.latch.5:
; CHECK-NEXT:    [[L_1_5:%.*]] = load i32, ptr [[SRC]], align 4
; CHECK-NEXT:    store i32 [[L_1_5]], ptr [[DST]], align 8
; CHECK-NEXT:    [[CMP_1_6:%.*]] = icmp sgt i32 [[OUTER_P]], 0
; CHECK-NEXT:    br i1 [[CMP_1_6]], label [[EXIT_DEOPT_LOOPEXIT]], label [[INNER_1_LATCH_6:%.*]]
; CHECK:       inner.1.latch.6:
; CHECK-NEXT:    [[L_1_6:%.*]] = load i32, ptr [[SRC]], align 4
; CHECK-NEXT:    store i32 [[L_1_6]], ptr [[DST]], align 8
; CHECK-NEXT:    [[INNER_1_IV_NEXT_6:%.*]] = add i64 [[INNER_1_IV]], 7
; CHECK-NEXT:    br i1 false, label [[EXIT_DEOPT_LOOPEXIT]], label [[INNER_1_LATCH_7]]
; CHECK:       inner.1.latch.7:
; CHECK-NEXT:    [[L_1_7:%.*]] = load i32, ptr [[SRC]], align 4
; CHECK-NEXT:    store i32 [[L_1_7]], ptr [[DST]], align 8
; CHECK-NEXT:    [[INNER_1_IV_NEXT_7]] = add i64 [[INNER_1_IV]], 8
; CHECK-NEXT:    [[CMP_2_7:%.*]] = icmp sgt i64 [[INNER_1_IV_NEXT_6]], 0
; CHECK-NEXT:    br i1 [[CMP_2_7]], label [[OUTER_MIDDLE_UNR_LCSSA:%.*]], label [[INNER_1_HEADER]], !prof [[PROF6:![0-9]+]]
; CHECK:       outer.middle.unr-lcssa:
; CHECK-NEXT:    [[L_1_LCSSA_PH:%.*]] = phi i32 [ [[L_1_7]], [[INNER_1_LATCH_7]] ]
; CHECK-NEXT:    br label [[OUTER_MIDDLE]]
; CHECK:       outer.middle:
; CHECK-NEXT:    [[L_1_LCSSA]] = phi i32 [ [[L_1_LCSSA_UNR]], [[INNER_1_HEADER_PROL_LOOPEXIT]] ], [ [[L_1_LCSSA_PH]], [[OUTER_MIDDLE_UNR_LCSSA]] ]
; CHECK-NEXT:    br label [[INNER_2:%.*]]
; CHECK:       inner.2:
; CHECK-NEXT:    [[INNER_2_IV:%.*]] = phi i32 [ [[L_1_LCSSA]], [[OUTER_MIDDLE]] ], [ [[INNER_2_IV_NEXT_2:%.*]], [[INNER_2]] ]
; CHECK-NEXT:    [[TMP15:%.*]] = phi i32 [ 0, [[OUTER_MIDDLE]] ], [ [[TMP33_2:%.*]], [[INNER_2]] ]
; CHECK-NEXT:    [[L_2:%.*]] = load i32, ptr [[SRC]], align 8
; CHECK-NEXT:    [[INNER_2_IV_NEXT:%.*]] = add i32 [[INNER_2_IV]], 1
; CHECK-NEXT:    [[TMP27:%.*]] = load ptr, ptr [[PTR_SRC:%.*]], align 8
; CHECK-NEXT:    [[ADD_1:%.*]] = add i32 [[INNER_2_IV]], [[L_2]]
; CHECK-NEXT:    [[TMP281:%.*]] = call i32 @use.2(ptr [[TMP27]], i32 [[ADD_1]])
; CHECK-NEXT:    [[TMP31:%.*]] = shl nuw nsw i32 [[TMP15]], 16
; CHECK-NEXT:    call void @bar()
; CHECK-NEXT:    call void @bar()
; CHECK-NEXT:    call void @bar()
; CHECK-NEXT:    call void @bar()
; CHECK-NEXT:    call void @bar()
; CHECK-NEXT:    call void @bar()
; CHECK-NEXT:    call void @bar()
; CHECK-NEXT:    call void @bar()
; CHECK-NEXT:    [[L_2_1:%.*]] = load i32, ptr [[SRC]], align 8
; CHECK-NEXT:    [[INNER_2_IV_NEXT_1:%.*]] = add i32 [[INNER_2_IV]], 2
; CHECK-NEXT:    [[TMP27_1:%.*]] = load ptr, ptr [[PTR_SRC]], align 8
; CHECK-NEXT:    [[ADD_1_1:%.*]] = add i32 [[INNER_2_IV_NEXT]], [[L_2_1]]
; CHECK-NEXT:    [[TMP281_1:%.*]] = call i32 @use.2(ptr [[TMP27_1]], i32 [[ADD_1_1]])
; CHECK-NEXT:    [[TMP32_1:%.*]] = add nuw i32 [[TMP31]], 524288
; CHECK-NEXT:    call void @bar()
; CHECK-NEXT:    call void @bar()
; CHECK-NEXT:    call void @bar()
; CHECK-NEXT:    call void @bar()
; CHECK-NEXT:    call void @bar()
; CHECK-NEXT:    call void @bar()
; CHECK-NEXT:    call void @bar()
; CHECK-NEXT:    call void @bar()
; CHECK-NEXT:    [[L_2_2:%.*]] = load i32, ptr [[SRC]], align 8
; CHECK-NEXT:    [[INNER_2_IV_NEXT_2]] = add i32 [[INNER_2_IV]], 3
; CHECK-NEXT:    [[TMP27_2:%.*]] = load ptr, ptr [[PTR_SRC]], align 8
; CHECK-NEXT:    [[ADD_1_2:%.*]] = add i32 [[INNER_2_IV_NEXT_1]], [[L_2_2]]
; CHECK-NEXT:    [[TMP281_2:%.*]] = call i32 @use.2(ptr [[TMP27_2]], i32 [[ADD_1_2]])
; CHECK-NEXT:    [[TMP32_2:%.*]] = add nuw i32 [[TMP31]], 786432
; CHECK-NEXT:    [[TMP33_2]] = ashr exact i32 [[TMP32_2]], 16
; CHECK-NEXT:    call void @bar()
; CHECK-NEXT:    call void @bar()
; CHECK-NEXT:    call void @bar()
; CHECK-NEXT:    call void @bar()
; CHECK-NEXT:    call void @bar()
; CHECK-NEXT:    call void @bar()
; CHECK-NEXT:    call void @bar()
; CHECK-NEXT:    call void @bar()
; CHECK-NEXT:    [[CMP_3_2:%.*]] = icmp sgt i32 [[TMP32_1]], 2031616
; CHECK-NEXT:    br i1 [[CMP_3_2]], label [[OUTER_LATCH]], label [[INNER_2]]
; CHECK:       outer.latch:
; CHECK-NEXT:    br label [[OUTER_HEADER]]
; CHECK:       exit.deopt.loopexit:
; CHECK-NEXT:    br label [[EXIT_DEOPT:%.*]]
; CHECK:       exit.deopt.loopexit1:
; CHECK-NEXT:    br label [[EXIT_DEOPT]]
; CHECK:       exit.deopt:
; CHECK-NEXT:    call void (...) @llvm.experimental.deoptimize.isVoid(i32 0) [ "deopt"() ]
; CHECK-NEXT:    ret void
;
bb:
  br label %outer.header

outer.header:
  %outer.p = phi i32 [ 0, %bb ], [ %l.1, %outer.latch ]
  br label %inner.1.header

inner.1.header:
  %inner.1.iv = phi i64 [ %x, %outer.header ], [ %inner.1.iv.next, %inner.1.latch ]
  %cmp.1 = icmp sgt i32 %outer.p, 0
  br i1 %cmp.1, label %exit.deopt, label %inner.1.latch

inner.1.latch:
  %l.1 = load i32, ptr %src, align 4
  store i32 %l.1, ptr %dst, align 8
  %inner.1.iv.next = add i64 %inner.1.iv, 1
  %cmp.2 = icmp sgt i64 %inner.1.iv, 0
  br i1 %cmp.2, label %outer.middle, label %inner.1.header, !prof !1

outer.middle:
  br label %inner.2

inner.2:
  %inner.2.iv = phi i32 [ %l.1, %outer.middle ], [ %inner.2.iv.next, %inner.2 ]
  %tmp15 = phi i32 [ 0, %outer.middle ], [ %tmp33, %inner.2 ]
  %l.2 = load i32, ptr %src , align 8
  %l.3 = load i32, ptr %dst, align 4
  %inner.2.iv.next = add i32 %inner.2.iv, 1
  %tmp27 = load ptr, ptr %ptr.src
  %add.1 = add i32 %inner.2.iv, %l.2
  %add.2 = add i32 %add.1, %l.3
  %tmp281 = call i32 @use.2(ptr %tmp27, i32 %add.1)
  %tmp31 = shl nuw nsw i32 %tmp15, 16
  %tmp32 = add nuw i32 %tmp31, 262144
  %tmp33 = ashr exact i32 %tmp32, 16
  call void @bar()
  call void @bar()
  call void @bar()
  call void @bar()
  call void @bar()
  call void @bar()
  call void @bar()
  call void @bar()
  %cmp.3 = icmp sgt i32 %tmp31, 2031616
  br i1 %cmp.3, label %outer.latch, label %inner.2

outer.latch:
  br label %outer.header

exit.deopt:
  call void (...) @llvm.experimental.deoptimize.isVoid(i32 0) [ "deopt"() ]
  ret void
}

!0 = !{!"function_entry_count", i64 32768}
!1 = !{!"branch_weights", i32 1, i32 32}