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llvm-project/llvm/test/Transforms/IndVarSimplify/lftr-pr20680.ll
Philip Reames 20cbb6cdf8 [LoopPred] Selectively disable to preserve test cases 
I'm about to enable the new loop predication transform by default.  It has the effect of completely destroying many read only loops - which happen to be a super common idiom in our test cases.  So as to preserve test coverage of other transforms, disable the new transform where it would cause sharp test coverage regressions.

(This is semantically part of the enabling commit.  It's committed separate to ease revert if the actual flag flip gets reverted.)
2019-11-06 15:41:57 -08:00

352 lines
19 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -indvars -S -indvars-predicate-loops=0 | FileCheck %s
; Provide legal integer types.
target datalayout = "n8:16:32:64"
@a = common global i32 0, align 4
@c = common global i32 0, align 4
@b = common global i32 0, align 4
define void @f() {
; CHECK-LABEL: @f(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* @a, align 4
; CHECK-NEXT: [[TOBOOL2:%.*]] = icmp eq i32 [[TMP0]], 0
; CHECK-NEXT: [[TMP1:%.*]] = load i32, i32* @a, align 4
; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[TMP1]], 0
; CHECK-NEXT: br label [[FOR_COND2_PREHEADER:%.*]]
; CHECK: for.cond2.preheader:
; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i32 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_INC13:%.*]] ], [ -14, [[ENTRY:%.*]] ]
; CHECK-NEXT: br i1 [[TOBOOL2]], label [[FOR_INC13]], label [[FOR_BODY3_LR_PH:%.*]]
; CHECK: for.body3.lr.ph:
; CHECK-NEXT: [[TMP2:%.*]] = add nsw i32 [[INDVARS_IV]], 1
; CHECK-NEXT: [[TMP3:%.*]] = icmp ult i32 [[TMP2]], 3
; CHECK-NEXT: [[DIV:%.*]] = select i1 [[TMP3]], i32 [[INDVARS_IV]], i32 0
; CHECK-NEXT: br i1 false, label [[FOR_BODY3_LR_PH_SPLIT_US:%.*]], label [[FOR_BODY3_LR_PH_FOR_BODY3_LR_PH_SPLIT_CRIT_EDGE:%.*]]
; CHECK: for.body3.lr.ph.for.body3.lr.ph.split_crit_edge:
; CHECK-NEXT: br label [[FOR_BODY3_LR_PH_SPLIT:%.*]]
; CHECK: for.body3.lr.ph.split.us:
; CHECK-NEXT: br i1 [[TOBOOL]], label [[FOR_BODY3_LR_PH_SPLIT_US_SPLIT_US:%.*]], label [[FOR_BODY3_LR_PH_SPLIT_US_FOR_BODY3_LR_PH_SPLIT_US_SPLIT_CRIT_EDGE:%.*]]
; CHECK: for.body3.lr.ph.split.us.for.body3.lr.ph.split.us.split_crit_edge:
; CHECK-NEXT: br label [[FOR_BODY3_LR_PH_SPLIT_US_SPLIT:%.*]]
; CHECK: for.body3.lr.ph.split.us.split.us:
; CHECK-NEXT: br label [[FOR_BODY3_US_US:%.*]]
; CHECK: for.body3.us.us:
; CHECK-NEXT: br i1 true, label [[COND_FALSE_US_US:%.*]], label [[COND_END_US_US:%.*]]
; CHECK: cond.false.us.us:
; CHECK-NEXT: br label [[COND_END_US_US]]
; CHECK: cond.end.us.us:
; CHECK-NEXT: [[TMP4:%.*]] = load i32, i32* @b, align 4
; CHECK-NEXT: [[CMP91_US_US:%.*]] = icmp slt i32 [[TMP4]], 1
; CHECK-NEXT: br i1 [[CMP91_US_US]], label [[FOR_INC_LR_PH_US_US:%.*]], label [[FOR_COND2_LOOPEXIT_US_US:%.*]]
; CHECK: for.cond2.loopexit.us.us:
; CHECK-NEXT: br i1 true, label [[FOR_COND2_FOR_INC13_CRIT_EDGE_US_LCSSA_US_US_LCSSA_US:%.*]], label [[FOR_BODY3_US_US]]
; CHECK: for.inc.lr.ph.us.us:
; CHECK-NEXT: br label [[FOR_INC_US_US:%.*]]
; CHECK: for.cond8.for.cond2.loopexit_crit_edge.us.us:
; CHECK-NEXT: store i32 1, i32* @b, align 4
; CHECK-NEXT: br label [[FOR_COND2_LOOPEXIT_US_US]]
; CHECK: for.inc.us.us:
; CHECK-NEXT: [[TMP5:%.*]] = phi i32 [ [[TMP4]], [[FOR_INC_LR_PH_US_US]] ], [ [[INC_US_US:%.*]], [[FOR_INC_US_US]] ]
; CHECK-NEXT: [[INC_US_US]] = add nsw i32 [[TMP5]], 1
; CHECK-NEXT: [[EXITCOND3:%.*]] = icmp ne i32 [[INC_US_US]], 1
; CHECK-NEXT: br i1 [[EXITCOND3]], label [[FOR_INC_US_US]], label [[FOR_COND8_FOR_COND2_LOOPEXIT_CRIT_EDGE_US_US:%.*]]
; CHECK: for.cond2.for.inc13_crit_edge.us-lcssa.us.us-lcssa.us:
; CHECK-NEXT: br label [[FOR_COND2_FOR_INC13_CRIT_EDGE_US_LCSSA_US:%.*]]
; CHECK: for.body3.lr.ph.split.us.split:
; CHECK-NEXT: br label [[FOR_BODY3_US:%.*]]
; CHECK: for.body3.us:
; CHECK-NEXT: br i1 true, label [[COND_FALSE_US:%.*]], label [[COND_END_US:%.*]]
; CHECK: cond.false.us:
; CHECK-NEXT: br label [[COND_END_US]]
; CHECK: cond.end.us:
; CHECK-NEXT: [[TMP6:%.*]] = load i32, i32* @b, align 4
; CHECK-NEXT: [[CMP91_US:%.*]] = icmp slt i32 [[TMP6]], 1
; CHECK-NEXT: br i1 [[CMP91_US]], label [[FOR_INC_LR_PH_US:%.*]], label [[FOR_COND2_LOOPEXIT_US:%.*]]
; CHECK: for.inc.us:
; CHECK-NEXT: [[TMP7:%.*]] = phi i32 [ [[TMP6]], [[FOR_INC_LR_PH_US]] ], [ [[INC_US:%.*]], [[FOR_INC_US:%.*]] ]
; CHECK-NEXT: [[INC_US]] = add nsw i32 [[TMP7]], 1
; CHECK-NEXT: [[EXITCOND2:%.*]] = icmp ne i32 [[INC_US]], 1
; CHECK-NEXT: br i1 [[EXITCOND2]], label [[FOR_INC_US]], label [[FOR_COND8_FOR_COND2_LOOPEXIT_CRIT_EDGE_US:%.*]]
; CHECK: for.cond2.loopexit.us:
; CHECK-NEXT: br i1 false, label [[FOR_COND2_FOR_INC13_CRIT_EDGE_US_LCSSA_US_US_LCSSA:%.*]], label [[FOR_BODY3_US]]
; CHECK: for.inc.lr.ph.us:
; CHECK-NEXT: br label [[FOR_INC_US]]
; CHECK: for.cond8.for.cond2.loopexit_crit_edge.us:
; CHECK-NEXT: store i32 1, i32* @b, align 4
; CHECK-NEXT: br label [[FOR_COND2_LOOPEXIT_US]]
; CHECK: for.cond2.for.inc13_crit_edge.us-lcssa.us.us-lcssa:
; CHECK-NEXT: br label [[FOR_COND2_FOR_INC13_CRIT_EDGE_US_LCSSA_US]]
; CHECK: for.cond2.for.inc13_crit_edge.us-lcssa.us:
; CHECK-NEXT: [[COND_LCSSA_PH_US:%.*]] = phi i32 [ [[DIV]], [[FOR_COND2_FOR_INC13_CRIT_EDGE_US_LCSSA_US_US_LCSSA]] ], [ [[DIV]], [[FOR_COND2_FOR_INC13_CRIT_EDGE_US_LCSSA_US_US_LCSSA_US]] ]
; CHECK-NEXT: br label [[FOR_COND2_FOR_INC13_CRIT_EDGE:%.*]]
; CHECK: for.body3.lr.ph.split:
; CHECK-NEXT: br i1 [[TOBOOL]], label [[FOR_BODY3_LR_PH_SPLIT_SPLIT_US:%.*]], label [[FOR_BODY3_LR_PH_SPLIT_FOR_BODY3_LR_PH_SPLIT_SPLIT_CRIT_EDGE:%.*]]
; CHECK: for.body3.lr.ph.split.for.body3.lr.ph.split.split_crit_edge:
; CHECK-NEXT: br label [[FOR_BODY3_LR_PH_SPLIT_SPLIT:%.*]]
; CHECK: for.body3.lr.ph.split.split.us:
; CHECK-NEXT: br label [[FOR_BODY3_US3:%.*]]
; CHECK: for.body3.us3:
; CHECK-NEXT: br i1 false, label [[COND_FALSE_US4:%.*]], label [[COND_END_US5:%.*]]
; CHECK: cond.false.us4:
; CHECK-NEXT: br label [[COND_END_US5]]
; CHECK: cond.end.us5:
; CHECK-NEXT: [[TMP8:%.*]] = load i32, i32* @b, align 4
; CHECK-NEXT: [[CMP91_US7:%.*]] = icmp slt i32 [[TMP8]], 1
; CHECK-NEXT: br i1 [[CMP91_US7]], label [[FOR_INC_LR_PH_US12:%.*]], label [[FOR_COND2_LOOPEXIT_US11:%.*]]
; CHECK: for.inc.us8:
; CHECK-NEXT: [[TMP9:%.*]] = phi i32 [ [[TMP8]], [[FOR_INC_LR_PH_US12]] ], [ [[INC_US9:%.*]], [[FOR_INC_US8:%.*]] ]
; CHECK-NEXT: [[INC_US9]] = add nsw i32 [[TMP9]], 1
; CHECK-NEXT: [[EXITCOND1:%.*]] = icmp ne i32 [[INC_US9]], 1
; CHECK-NEXT: br i1 [[EXITCOND1]], label [[FOR_INC_US8]], label [[FOR_COND8_FOR_COND2_LOOPEXIT_CRIT_EDGE_US13:%.*]]
; CHECK: for.cond2.loopexit.us11:
; CHECK-NEXT: br i1 true, label [[FOR_COND2_FOR_INC13_CRIT_EDGE_US_LCSSA_US_LCSSA_US:%.*]], label [[FOR_BODY3_US3]]
; CHECK: for.inc.lr.ph.us12:
; CHECK-NEXT: br label [[FOR_INC_US8]]
; CHECK: for.cond8.for.cond2.loopexit_crit_edge.us13:
; CHECK-NEXT: store i32 1, i32* @b, align 4
; CHECK-NEXT: br label [[FOR_COND2_LOOPEXIT_US11]]
; CHECK: for.cond2.for.inc13_crit_edge.us-lcssa.us-lcssa.us:
; CHECK-NEXT: br label [[FOR_COND2_FOR_INC13_CRIT_EDGE_US_LCSSA:%.*]]
; CHECK: for.body3.lr.ph.split.split:
; CHECK-NEXT: br label [[FOR_BODY3:%.*]]
; CHECK: for.cond8.for.cond2.loopexit_crit_edge:
; CHECK-NEXT: store i32 1, i32* @b, align 4
; CHECK-NEXT: br label [[FOR_COND2_LOOPEXIT:%.*]]
; CHECK: for.cond2.loopexit:
; CHECK-NEXT: br i1 false, label [[FOR_COND2_FOR_INC13_CRIT_EDGE_US_LCSSA_US_LCSSA:%.*]], label [[FOR_BODY3]]
; CHECK: for.body3:
; CHECK-NEXT: br i1 false, label [[COND_FALSE:%.*]], label [[COND_END:%.*]]
; CHECK: cond.false:
; CHECK-NEXT: br label [[COND_END]]
; CHECK: cond.end:
; CHECK-NEXT: [[TMP10:%.*]] = load i32, i32* @b, align 4
; CHECK-NEXT: [[CMP91:%.*]] = icmp slt i32 [[TMP10]], 1
; CHECK-NEXT: br i1 [[CMP91]], label [[FOR_INC_LR_PH:%.*]], label [[FOR_COND2_LOOPEXIT]]
; CHECK: for.inc.lr.ph:
; CHECK-NEXT: br label [[FOR_INC:%.*]]
; CHECK: for.inc:
; CHECK-NEXT: [[TMP11:%.*]] = phi i32 [ [[TMP10]], [[FOR_INC_LR_PH]] ], [ [[INC:%.*]], [[FOR_INC]] ]
; CHECK-NEXT: [[INC]] = add nsw i32 [[TMP11]], 1
; CHECK-NEXT: [[EXITCOND:%.*]] = icmp ne i32 [[INC]], 1
; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_INC]], label [[FOR_COND8_FOR_COND2_LOOPEXIT_CRIT_EDGE:%.*]]
; CHECK: for.cond2.for.inc13_crit_edge.us-lcssa.us-lcssa:
; CHECK-NEXT: br label [[FOR_COND2_FOR_INC13_CRIT_EDGE_US_LCSSA]]
; CHECK: for.cond2.for.inc13_crit_edge.us-lcssa:
; CHECK-NEXT: [[COND_LCSSA_PH:%.*]] = phi i32 [ [[INDVARS_IV]], [[FOR_COND2_FOR_INC13_CRIT_EDGE_US_LCSSA_US_LCSSA]] ], [ [[INDVARS_IV]], [[FOR_COND2_FOR_INC13_CRIT_EDGE_US_LCSSA_US_LCSSA_US]] ]
; CHECK-NEXT: br label [[FOR_COND2_FOR_INC13_CRIT_EDGE]]
; CHECK: for.cond2.for.inc13_crit_edge:
; CHECK-NEXT: [[COND_LCSSA:%.*]] = phi i32 [ [[COND_LCSSA_PH]], [[FOR_COND2_FOR_INC13_CRIT_EDGE_US_LCSSA]] ], [ [[COND_LCSSA_PH_US]], [[FOR_COND2_FOR_INC13_CRIT_EDGE_US_LCSSA_US]] ]
; CHECK-NEXT: store i32 [[COND_LCSSA]], i32* @c, align 4
; CHECK-NEXT: br label [[FOR_INC13]]
; CHECK: for.inc13:
; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nsw i32 [[INDVARS_IV]], 1
; CHECK-NEXT: [[EXITCOND4:%.*]] = icmp ne i32 [[INDVARS_IV_NEXT]], 0
; CHECK-NEXT: br i1 [[EXITCOND4]], label [[FOR_COND2_PREHEADER]], label [[FOR_END15:%.*]]
; CHECK: for.end15:
; CHECK-NEXT: ret void
;
; br i1 {{.*}}, label %[[for_inc13]], label %
entry:
%0 = load i32, i32* @a, align 4
%tobool2 = icmp eq i32 %0, 0
%1 = load i32, i32* @a, align 4
%tobool = icmp eq i32 %1, 0
br label %for.cond2.preheader
for.cond2.preheader: ; preds = %for.inc13, %entry
%storemerge15 = phi i8 [ -14, %entry ], [ %inc14, %for.inc13 ]
br i1 %tobool2, label %for.inc13, label %for.body3.lr.ph
for.body3.lr.ph: ; preds = %for.cond2.preheader
%tobool5 = icmp eq i8 %storemerge15, 0
%conv7 = sext i8 %storemerge15 to i32
%2 = add nsw i32 %conv7, 1
%3 = icmp ult i32 %2, 3
%div = select i1 %3, i32 %conv7, i32 0
br i1 %tobool5, label %for.body3.lr.ph.split.us, label %for.body3.lr.ph.for.body3.lr.ph.split_crit_edge
for.body3.lr.ph.for.body3.lr.ph.split_crit_edge: ; preds = %for.body3.lr.ph
br label %for.body3.lr.ph.split
for.body3.lr.ph.split.us: ; preds = %for.body3.lr.ph
br i1 %tobool, label %for.body3.lr.ph.split.us.split.us, label %for.body3.lr.ph.split.us.for.body3.lr.ph.split.us.split_crit_edge
for.body3.lr.ph.split.us.for.body3.lr.ph.split.us.split_crit_edge: ; preds = %for.body3.lr.ph.split.us
br label %for.body3.lr.ph.split.us.split
for.body3.lr.ph.split.us.split.us: ; preds = %for.body3.lr.ph.split.us
br label %for.body3.us.us
for.body3.us.us: ; preds = %for.cond2.loopexit.us.us, %for.body3.lr.ph.split.us.split.us
br i1 true, label %cond.false.us.us, label %cond.end.us.us
cond.false.us.us: ; preds = %for.body3.us.us
br label %cond.end.us.us
cond.end.us.us: ; preds = %cond.false.us.us, %for.body3.us.us
%cond.us.us = phi i32 [ %div, %cond.false.us.us ], [ %conv7, %for.body3.us.us ]
%4 = load i32, i32* @b, align 4
%cmp91.us.us = icmp slt i32 %4, 1
br i1 %cmp91.us.us, label %for.inc.lr.ph.us.us, label %for.cond2.loopexit.us.us
for.cond2.loopexit.us.us: ; preds = %for.cond8.for.cond2.loopexit_crit_edge.us.us, %cond.end.us.us
br i1 true, label %for.cond2.for.inc13_crit_edge.us-lcssa.us.us-lcssa.us, label %for.body3.us.us
for.inc.lr.ph.us.us: ; preds = %cond.end.us.us
br label %for.inc.us.us
for.cond8.for.cond2.loopexit_crit_edge.us.us: ; preds = %for.inc.us.us
%inc.lcssa.us.us = phi i32 [ %inc.us.us, %for.inc.us.us ]
store i32 %inc.lcssa.us.us, i32* @b, align 4
br label %for.cond2.loopexit.us.us
for.inc.us.us: ; preds = %for.inc.us.us, %for.inc.lr.ph.us.us
%5 = phi i32 [ %4, %for.inc.lr.ph.us.us ], [ %inc.us.us, %for.inc.us.us ]
%inc.us.us = add nsw i32 %5, 1
%cmp9.us.us = icmp slt i32 %inc.us.us, 1
br i1 %cmp9.us.us, label %for.inc.us.us, label %for.cond8.for.cond2.loopexit_crit_edge.us.us
for.cond2.for.inc13_crit_edge.us-lcssa.us.us-lcssa.us: ; preds = %for.cond2.loopexit.us.us
%cond.lcssa.ph.us.ph.us = phi i32 [ %cond.us.us, %for.cond2.loopexit.us.us ]
br label %for.cond2.for.inc13_crit_edge.us-lcssa.us
for.body3.lr.ph.split.us.split: ; preds = %for.body3.lr.ph.split.us.for.body3.lr.ph.split.us.split_crit_edge
br label %for.body3.us
for.body3.us: ; preds = %for.cond2.loopexit.us, %for.body3.lr.ph.split.us.split
br i1 true, label %cond.false.us, label %cond.end.us
cond.false.us: ; preds = %for.body3.us
br label %cond.end.us
cond.end.us: ; preds = %cond.false.us, %for.body3.us
%cond.us = phi i32 [ %div, %cond.false.us ], [ %conv7, %for.body3.us ]
%6 = load i32, i32* @b, align 4
%cmp91.us = icmp slt i32 %6, 1
br i1 %cmp91.us, label %for.inc.lr.ph.us, label %for.cond2.loopexit.us
for.inc.us: ; preds = %for.inc.lr.ph.us, %for.inc.us
%7 = phi i32 [ %6, %for.inc.lr.ph.us ], [ %inc.us, %for.inc.us ]
%inc.us = add nsw i32 %7, 1
%cmp9.us = icmp slt i32 %inc.us, 1
br i1 %cmp9.us, label %for.inc.us, label %for.cond8.for.cond2.loopexit_crit_edge.us
for.cond2.loopexit.us: ; preds = %for.cond8.for.cond2.loopexit_crit_edge.us, %cond.end.us
br i1 false, label %for.cond2.for.inc13_crit_edge.us-lcssa.us.us-lcssa, label %for.body3.us
for.inc.lr.ph.us: ; preds = %cond.end.us
br label %for.inc.us
for.cond8.for.cond2.loopexit_crit_edge.us: ; preds = %for.inc.us
%inc.lcssa.us = phi i32 [ %inc.us, %for.inc.us ]
store i32 %inc.lcssa.us, i32* @b, align 4
br label %for.cond2.loopexit.us
for.cond2.for.inc13_crit_edge.us-lcssa.us.us-lcssa: ; preds = %for.cond2.loopexit.us
%cond.lcssa.ph.us.ph = phi i32 [ %cond.us, %for.cond2.loopexit.us ]
br label %for.cond2.for.inc13_crit_edge.us-lcssa.us
for.cond2.for.inc13_crit_edge.us-lcssa.us: ; preds = %for.cond2.for.inc13_crit_edge.us-lcssa.us.us-lcssa, %for.cond2.for.inc13_crit_edge.us-lcssa.us.us-lcssa.us
%cond.lcssa.ph.us = phi i32 [ %cond.lcssa.ph.us.ph, %for.cond2.for.inc13_crit_edge.us-lcssa.us.us-lcssa ], [ %cond.lcssa.ph.us.ph.us, %for.cond2.for.inc13_crit_edge.us-lcssa.us.us-lcssa.us ]
br label %for.cond2.for.inc13_crit_edge
for.body3.lr.ph.split: ; preds = %for.body3.lr.ph.for.body3.lr.ph.split_crit_edge
br i1 %tobool, label %for.body3.lr.ph.split.split.us, label %for.body3.lr.ph.split.for.body3.lr.ph.split.split_crit_edge
for.body3.lr.ph.split.for.body3.lr.ph.split.split_crit_edge: ; preds = %for.body3.lr.ph.split
br label %for.body3.lr.ph.split.split
for.body3.lr.ph.split.split.us: ; preds = %for.body3.lr.ph.split
br label %for.body3.us3
for.body3.us3: ; preds = %for.cond2.loopexit.us11, %for.body3.lr.ph.split.split.us
br i1 false, label %cond.false.us4, label %cond.end.us5
cond.false.us4: ; preds = %for.body3.us3
br label %cond.end.us5
cond.end.us5: ; preds = %cond.false.us4, %for.body3.us3
%cond.us6 = phi i32 [ %div, %cond.false.us4 ], [ %conv7, %for.body3.us3 ]
%8 = load i32, i32* @b, align 4
%cmp91.us7 = icmp slt i32 %8, 1
br i1 %cmp91.us7, label %for.inc.lr.ph.us12, label %for.cond2.loopexit.us11
for.inc.us8: ; preds = %for.inc.lr.ph.us12, %for.inc.us8
%9 = phi i32 [ %8, %for.inc.lr.ph.us12 ], [ %inc.us9, %for.inc.us8 ]
%inc.us9 = add nsw i32 %9, 1
%cmp9.us10 = icmp slt i32 %inc.us9, 1
br i1 %cmp9.us10, label %for.inc.us8, label %for.cond8.for.cond2.loopexit_crit_edge.us13
for.cond2.loopexit.us11: ; preds = %for.cond8.for.cond2.loopexit_crit_edge.us13, %cond.end.us5
br i1 true, label %for.cond2.for.inc13_crit_edge.us-lcssa.us-lcssa.us, label %for.body3.us3
for.inc.lr.ph.us12: ; preds = %cond.end.us5
br label %for.inc.us8
for.cond8.for.cond2.loopexit_crit_edge.us13: ; preds = %for.inc.us8
%inc.lcssa.us14 = phi i32 [ %inc.us9, %for.inc.us8 ]
store i32 %inc.lcssa.us14, i32* @b, align 4
br label %for.cond2.loopexit.us11
for.cond2.for.inc13_crit_edge.us-lcssa.us-lcssa.us: ; preds = %for.cond2.loopexit.us11
%cond.lcssa.ph.ph.us = phi i32 [ %cond.us6, %for.cond2.loopexit.us11 ]
br label %for.cond2.for.inc13_crit_edge.us-lcssa
for.body3.lr.ph.split.split: ; preds = %for.body3.lr.ph.split.for.body3.lr.ph.split.split_crit_edge
br label %for.body3
for.cond8.for.cond2.loopexit_crit_edge: ; preds = %for.inc
%inc.lcssa = phi i32 [ %inc, %for.inc ]
store i32 %inc.lcssa, i32* @b, align 4
br label %for.cond2.loopexit
for.cond2.loopexit: ; preds = %cond.end, %for.cond8.for.cond2.loopexit_crit_edge
br i1 false, label %for.cond2.for.inc13_crit_edge.us-lcssa.us-lcssa, label %for.body3
for.body3: ; preds = %for.cond2.loopexit, %for.body3.lr.ph.split.split
br i1 false, label %cond.false, label %cond.end
cond.false: ; preds = %for.body3
br label %cond.end
cond.end: ; preds = %cond.false, %for.body3
%cond = phi i32 [ %div, %cond.false ], [ %conv7, %for.body3 ]
%10 = load i32, i32* @b, align 4
%cmp91 = icmp slt i32 %10, 1
br i1 %cmp91, label %for.inc.lr.ph, label %for.cond2.loopexit
for.inc.lr.ph: ; preds = %cond.end
br label %for.inc
for.inc: ; preds = %for.inc, %for.inc.lr.ph
%11 = phi i32 [ %10, %for.inc.lr.ph ], [ %inc, %for.inc ]
%inc = add nsw i32 %11, 1
%cmp9 = icmp slt i32 %inc, 1
br i1 %cmp9, label %for.inc, label %for.cond8.for.cond2.loopexit_crit_edge
for.cond2.for.inc13_crit_edge.us-lcssa.us-lcssa: ; preds = %for.cond2.loopexit
%cond.lcssa.ph.ph = phi i32 [ %cond, %for.cond2.loopexit ]
br label %for.cond2.for.inc13_crit_edge.us-lcssa
for.cond2.for.inc13_crit_edge.us-lcssa: ; preds = %for.cond2.for.inc13_crit_edge.us-lcssa.us-lcssa, %for.cond2.for.inc13_crit_edge.us-lcssa.us-lcssa.us
%cond.lcssa.ph = phi i32 [ %cond.lcssa.ph.ph, %for.cond2.for.inc13_crit_edge.us-lcssa.us-lcssa ], [ %cond.lcssa.ph.ph.us, %for.cond2.for.inc13_crit_edge.us-lcssa.us-lcssa.us ]
br label %for.cond2.for.inc13_crit_edge
for.cond2.for.inc13_crit_edge: ; preds = %for.cond2.for.inc13_crit_edge.us-lcssa, %for.cond2.for.inc13_crit_edge.us-lcssa.us
%cond.lcssa = phi i32 [ %cond.lcssa.ph, %for.cond2.for.inc13_crit_edge.us-lcssa ], [ %cond.lcssa.ph.us, %for.cond2.for.inc13_crit_edge.us-lcssa.us ]
store i32 %cond.lcssa, i32* @c, align 4
br label %for.inc13
for.inc13: ; preds = %for.cond2.for.inc13_crit_edge, %for.cond2.preheader
%inc14 = add i8 %storemerge15, 1
%cmp = icmp ugt i8 %inc14, 50
br i1 %cmp, label %for.cond2.preheader, label %for.end15
for.end15: ; preds = %for.inc13
ret void
}
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