324 lines
15 KiB
LLVM
324 lines
15 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S < %s -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -simplifycfg-merge-cond-stores=true -simplifycfg-merge-cond-stores-aggressively=false -phi-node-folding-threshold=1 | FileCheck %s
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target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
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target triple = "armv7--linux-gnueabihf"
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; This is a bit reversal that has been run through the early optimizer (-mem2reg -gvn -instcombine).
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; There should be no additional PHIs created at all. The store should be on its own in a predicated
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; block and there should be no PHIs.
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define i32 @f(i32* %b) {
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; CHECK-LABEL: @f(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[B:%.*]], align 4
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; CHECK-NEXT: [[AND:%.*]] = and i32 [[TMP0]], 1
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; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[AND]], 0
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; CHECK-NEXT: [[OR:%.*]] = or i32 [[TMP0]], -2147483648
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; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[TOBOOL]], i32 [[TMP0]], i32 [[OR]]
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; CHECK-NEXT: [[AND1:%.*]] = and i32 [[TMP1]], 2
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; CHECK-NEXT: [[TOBOOL2:%.*]] = icmp eq i32 [[AND1]], 0
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; CHECK-NEXT: [[OR4:%.*]] = or i32 [[TMP1]], 1073741824
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; CHECK-NEXT: [[SPEC_SELECT:%.*]] = select i1 [[TOBOOL2]], i32 [[TMP1]], i32 [[OR4]]
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; CHECK-NEXT: [[TMP2:%.*]] = xor i1 [[TOBOOL]], true
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; CHECK-NEXT: [[TMP3:%.*]] = xor i1 [[TOBOOL2]], true
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; CHECK-NEXT: [[TMP4:%.*]] = or i1 [[TMP2]], [[TMP3]]
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; CHECK-NEXT: [[AND6:%.*]] = and i32 [[SPEC_SELECT]], 4
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; CHECK-NEXT: [[TOBOOL7:%.*]] = icmp eq i32 [[AND6]], 0
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; CHECK-NEXT: [[OR9:%.*]] = or i32 [[SPEC_SELECT]], 536870912
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; CHECK-NEXT: [[SPEC_SELECT1:%.*]] = select i1 [[TOBOOL7]], i32 [[SPEC_SELECT]], i32 [[OR9]]
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; CHECK-NEXT: [[TMP5:%.*]] = xor i1 [[TMP4]], true
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; CHECK-NEXT: [[TMP6:%.*]] = xor i1 [[TOBOOL7]], true
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; CHECK-NEXT: [[TMP7:%.*]] = xor i1 [[TMP5]], true
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; CHECK-NEXT: [[TMP8:%.*]] = or i1 [[TMP7]], [[TMP6]]
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; CHECK-NEXT: [[AND11:%.*]] = and i32 [[SPEC_SELECT1]], 8
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; CHECK-NEXT: [[TOBOOL12:%.*]] = icmp eq i32 [[AND11]], 0
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; CHECK-NEXT: [[OR14:%.*]] = or i32 [[SPEC_SELECT1]], 268435456
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; CHECK-NEXT: [[SPEC_SELECT2:%.*]] = select i1 [[TOBOOL12]], i32 [[SPEC_SELECT1]], i32 [[OR14]]
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; CHECK-NEXT: [[TMP9:%.*]] = xor i1 [[TMP8]], true
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; CHECK-NEXT: [[TMP10:%.*]] = xor i1 [[TOBOOL12]], true
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; CHECK-NEXT: [[TMP11:%.*]] = xor i1 [[TMP9]], true
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; CHECK-NEXT: [[TMP12:%.*]] = or i1 [[TMP11]], [[TMP10]]
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; CHECK-NEXT: [[AND16:%.*]] = and i32 [[SPEC_SELECT2]], 16
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; CHECK-NEXT: [[TOBOOL17:%.*]] = icmp eq i32 [[AND16]], 0
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; CHECK-NEXT: [[OR19:%.*]] = or i32 [[SPEC_SELECT2]], 134217728
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; CHECK-NEXT: [[SPEC_SELECT3:%.*]] = select i1 [[TOBOOL17]], i32 [[SPEC_SELECT2]], i32 [[OR19]]
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; CHECK-NEXT: [[TMP13:%.*]] = xor i1 [[TMP12]], true
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; CHECK-NEXT: [[TMP14:%.*]] = xor i1 [[TOBOOL17]], true
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; CHECK-NEXT: [[TMP15:%.*]] = xor i1 [[TMP13]], true
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; CHECK-NEXT: [[TMP16:%.*]] = or i1 [[TMP15]], [[TMP14]]
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; CHECK-NEXT: [[AND21:%.*]] = and i32 [[SPEC_SELECT3]], 32
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; CHECK-NEXT: [[TOBOOL22:%.*]] = icmp eq i32 [[AND21]], 0
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; CHECK-NEXT: [[OR24:%.*]] = or i32 [[SPEC_SELECT3]], 67108864
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; CHECK-NEXT: [[SPEC_SELECT4:%.*]] = select i1 [[TOBOOL22]], i32 [[SPEC_SELECT3]], i32 [[OR24]]
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; CHECK-NEXT: [[TMP17:%.*]] = xor i1 [[TMP16]], true
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; CHECK-NEXT: [[TMP18:%.*]] = xor i1 [[TOBOOL22]], true
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; CHECK-NEXT: [[TMP19:%.*]] = xor i1 [[TMP17]], true
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; CHECK-NEXT: [[TMP20:%.*]] = or i1 [[TMP19]], [[TMP18]]
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; CHECK-NEXT: [[AND26:%.*]] = and i32 [[SPEC_SELECT4]], 64
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; CHECK-NEXT: [[TOBOOL27:%.*]] = icmp eq i32 [[AND26]], 0
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; CHECK-NEXT: [[OR29:%.*]] = or i32 [[SPEC_SELECT4]], 33554432
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; CHECK-NEXT: [[SPEC_SELECT5:%.*]] = select i1 [[TOBOOL27]], i32 [[SPEC_SELECT4]], i32 [[OR29]]
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; CHECK-NEXT: [[TMP21:%.*]] = xor i1 [[TMP20]], true
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; CHECK-NEXT: [[TMP22:%.*]] = xor i1 [[TOBOOL27]], true
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; CHECK-NEXT: [[TMP23:%.*]] = xor i1 [[TMP21]], true
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; CHECK-NEXT: [[TMP24:%.*]] = or i1 [[TMP23]], [[TMP22]]
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; CHECK-NEXT: [[AND31:%.*]] = and i32 [[SPEC_SELECT5]], 256
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; CHECK-NEXT: [[TOBOOL32:%.*]] = icmp eq i32 [[AND31]], 0
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; CHECK-NEXT: [[OR34:%.*]] = or i32 [[SPEC_SELECT5]], 8388608
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; CHECK-NEXT: [[SPEC_SELECT6:%.*]] = select i1 [[TOBOOL32]], i32 [[SPEC_SELECT5]], i32 [[OR34]]
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; CHECK-NEXT: [[TMP25:%.*]] = xor i1 [[TMP24]], true
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; CHECK-NEXT: [[TMP26:%.*]] = xor i1 [[TOBOOL32]], true
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; CHECK-NEXT: [[TMP27:%.*]] = xor i1 [[TMP25]], true
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; CHECK-NEXT: [[TMP28:%.*]] = or i1 [[TMP27]], [[TMP26]]
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; CHECK-NEXT: [[AND36:%.*]] = and i32 [[SPEC_SELECT6]], 512
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; CHECK-NEXT: [[TOBOOL37:%.*]] = icmp eq i32 [[AND36]], 0
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; CHECK-NEXT: [[OR39:%.*]] = or i32 [[SPEC_SELECT6]], 4194304
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; CHECK-NEXT: [[SPEC_SELECT7:%.*]] = select i1 [[TOBOOL37]], i32 [[SPEC_SELECT6]], i32 [[OR39]]
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; CHECK-NEXT: [[TMP29:%.*]] = xor i1 [[TMP28]], true
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; CHECK-NEXT: [[TMP30:%.*]] = xor i1 [[TOBOOL37]], true
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; CHECK-NEXT: [[TMP31:%.*]] = xor i1 [[TMP29]], true
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; CHECK-NEXT: [[TMP32:%.*]] = or i1 [[TMP31]], [[TMP30]]
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; CHECK-NEXT: [[AND41:%.*]] = and i32 [[SPEC_SELECT7]], 1024
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; CHECK-NEXT: [[TOBOOL42:%.*]] = icmp eq i32 [[AND41]], 0
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; CHECK-NEXT: [[OR44:%.*]] = or i32 [[SPEC_SELECT7]], 2097152
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; CHECK-NEXT: [[SPEC_SELECT8:%.*]] = select i1 [[TOBOOL42]], i32 [[SPEC_SELECT7]], i32 [[OR44]]
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; CHECK-NEXT: [[TMP33:%.*]] = xor i1 [[TMP32]], true
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; CHECK-NEXT: [[TMP34:%.*]] = xor i1 [[TOBOOL42]], true
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; CHECK-NEXT: [[TMP35:%.*]] = xor i1 [[TMP33]], true
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; CHECK-NEXT: [[TMP36:%.*]] = or i1 [[TMP35]], [[TMP34]]
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; CHECK-NEXT: [[AND46:%.*]] = and i32 [[SPEC_SELECT8]], 2048
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; CHECK-NEXT: [[TOBOOL47:%.*]] = icmp eq i32 [[AND46]], 0
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; CHECK-NEXT: [[OR49:%.*]] = or i32 [[SPEC_SELECT8]], 1048576
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; CHECK-NEXT: [[SPEC_SELECT9:%.*]] = select i1 [[TOBOOL47]], i32 [[SPEC_SELECT8]], i32 [[OR49]]
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; CHECK-NEXT: [[TMP37:%.*]] = xor i1 [[TMP36]], true
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; CHECK-NEXT: [[TMP38:%.*]] = xor i1 [[TOBOOL47]], true
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; CHECK-NEXT: [[TMP39:%.*]] = xor i1 [[TMP37]], true
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; CHECK-NEXT: [[TMP40:%.*]] = or i1 [[TMP39]], [[TMP38]]
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; CHECK-NEXT: [[AND51:%.*]] = and i32 [[SPEC_SELECT9]], 4096
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; CHECK-NEXT: [[TOBOOL52:%.*]] = icmp eq i32 [[AND51]], 0
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; CHECK-NEXT: [[OR54:%.*]] = or i32 [[SPEC_SELECT9]], 524288
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; CHECK-NEXT: [[SPEC_SELECT10:%.*]] = select i1 [[TOBOOL52]], i32 [[SPEC_SELECT9]], i32 [[OR54]]
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; CHECK-NEXT: [[TMP41:%.*]] = xor i1 [[TMP40]], true
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; CHECK-NEXT: [[TMP42:%.*]] = xor i1 [[TOBOOL52]], true
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; CHECK-NEXT: [[TMP43:%.*]] = xor i1 [[TMP41]], true
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; CHECK-NEXT: [[TMP44:%.*]] = or i1 [[TMP43]], [[TMP42]]
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; CHECK-NEXT: [[AND56:%.*]] = and i32 [[SPEC_SELECT10]], 8192
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; CHECK-NEXT: [[TOBOOL57:%.*]] = icmp eq i32 [[AND56]], 0
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; CHECK-NEXT: [[OR59:%.*]] = or i32 [[SPEC_SELECT10]], 262144
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; CHECK-NEXT: [[SPEC_SELECT11:%.*]] = select i1 [[TOBOOL57]], i32 [[SPEC_SELECT10]], i32 [[OR59]]
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; CHECK-NEXT: [[TMP45:%.*]] = xor i1 [[TMP44]], true
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; CHECK-NEXT: [[TMP46:%.*]] = xor i1 [[TOBOOL57]], true
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; CHECK-NEXT: [[TMP47:%.*]] = xor i1 [[TMP45]], true
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; CHECK-NEXT: [[TMP48:%.*]] = or i1 [[TMP47]], [[TMP46]]
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; CHECK-NEXT: [[AND61:%.*]] = and i32 [[SPEC_SELECT11]], 16384
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; CHECK-NEXT: [[TOBOOL62:%.*]] = icmp eq i32 [[AND61]], 0
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; CHECK-NEXT: [[OR64:%.*]] = or i32 [[SPEC_SELECT11]], 131072
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; CHECK-NEXT: [[SPEC_SELECT12:%.*]] = select i1 [[TOBOOL62]], i32 [[SPEC_SELECT11]], i32 [[OR64]]
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; CHECK-NEXT: [[TMP49:%.*]] = xor i1 [[TMP48]], true
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; CHECK-NEXT: [[TMP50:%.*]] = xor i1 [[TOBOOL62]], true
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; CHECK-NEXT: [[TMP51:%.*]] = xor i1 [[TMP49]], true
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; CHECK-NEXT: [[TMP52:%.*]] = or i1 [[TMP51]], [[TMP50]]
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; CHECK-NEXT: [[AND66:%.*]] = and i32 [[SPEC_SELECT12]], 32768
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; CHECK-NEXT: [[TOBOOL67:%.*]] = icmp eq i32 [[AND66]], 0
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; CHECK-NEXT: [[OR69:%.*]] = or i32 [[SPEC_SELECT12]], 65536
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; CHECK-NEXT: [[SPEC_SELECT13:%.*]] = select i1 [[TOBOOL67]], i32 [[SPEC_SELECT12]], i32 [[OR69]]
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; CHECK-NEXT: [[TMP53:%.*]] = xor i1 [[TMP52]], true
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; CHECK-NEXT: [[TMP54:%.*]] = xor i1 [[TOBOOL67]], true
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; CHECK-NEXT: [[TMP55:%.*]] = xor i1 [[TMP53]], true
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; CHECK-NEXT: [[TMP56:%.*]] = or i1 [[TMP55]], [[TMP54]]
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; CHECK-NEXT: [[AND71:%.*]] = and i32 [[SPEC_SELECT13]], 128
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; CHECK-NEXT: [[TOBOOL72:%.*]] = icmp eq i32 [[AND71]], 0
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; CHECK-NEXT: [[OR74:%.*]] = or i32 [[SPEC_SELECT13]], 16777216
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; CHECK-NEXT: [[SPEC_SELECT14:%.*]] = select i1 [[TOBOOL72]], i32 [[SPEC_SELECT13]], i32 [[OR74]]
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; CHECK-NEXT: [[TMP57:%.*]] = xor i1 [[TMP56]], true
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; CHECK-NEXT: [[TMP58:%.*]] = xor i1 [[TOBOOL72]], true
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; CHECK-NEXT: [[TMP59:%.*]] = xor i1 [[TMP57]], true
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; CHECK-NEXT: [[TMP60:%.*]] = or i1 [[TMP59]], [[TMP58]]
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; CHECK-NEXT: br i1 [[TMP60]], label [[TMP61:%.*]], label [[TMP62:%.*]]
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; CHECK: 61:
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; CHECK-NEXT: store i32 [[SPEC_SELECT14]], i32* [[B]], align 4
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; CHECK-NEXT: br label [[TMP62]]
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; CHECK: 62:
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; CHECK-NEXT: ret i32 0
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;
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entry:
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%0 = load i32, i32* %b, align 4
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%and = and i32 %0, 1
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%tobool = icmp eq i32 %and, 0
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br i1 %tobool, label %if.end, label %if.then
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if.then: ; preds = %entry
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%or = or i32 %0, -2147483648
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store i32 %or, i32* %b, align 4
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br label %if.end
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if.end: ; preds = %entry, %if.then
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%1 = phi i32 [ %0, %entry ], [ %or, %if.then ]
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%and1 = and i32 %1, 2
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%tobool2 = icmp eq i32 %and1, 0
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br i1 %tobool2, label %if.end5, label %if.then3
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if.then3: ; preds = %if.end
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%or4 = or i32 %1, 1073741824
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store i32 %or4, i32* %b, align 4
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br label %if.end5
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if.end5: ; preds = %if.end, %if.then3
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%2 = phi i32 [ %1, %if.end ], [ %or4, %if.then3 ]
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%and6 = and i32 %2, 4
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%tobool7 = icmp eq i32 %and6, 0
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br i1 %tobool7, label %if.end10, label %if.then8
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if.then8: ; preds = %if.end5
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%or9 = or i32 %2, 536870912
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store i32 %or9, i32* %b, align 4
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br label %if.end10
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if.end10: ; preds = %if.end5, %if.then8
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%3 = phi i32 [ %2, %if.end5 ], [ %or9, %if.then8 ]
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%and11 = and i32 %3, 8
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%tobool12 = icmp eq i32 %and11, 0
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br i1 %tobool12, label %if.end15, label %if.then13
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if.then13: ; preds = %if.end10
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%or14 = or i32 %3, 268435456
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store i32 %or14, i32* %b, align 4
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br label %if.end15
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if.end15: ; preds = %if.end10, %if.then13
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%4 = phi i32 [ %3, %if.end10 ], [ %or14, %if.then13 ]
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%and16 = and i32 %4, 16
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%tobool17 = icmp eq i32 %and16, 0
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br i1 %tobool17, label %if.end20, label %if.then18
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if.then18: ; preds = %if.end15
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%or19 = or i32 %4, 134217728
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store i32 %or19, i32* %b, align 4
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br label %if.end20
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if.end20: ; preds = %if.end15, %if.then18
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%5 = phi i32 [ %4, %if.end15 ], [ %or19, %if.then18 ]
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%and21 = and i32 %5, 32
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%tobool22 = icmp eq i32 %and21, 0
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br i1 %tobool22, label %if.end25, label %if.then23
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if.then23: ; preds = %if.end20
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%or24 = or i32 %5, 67108864
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store i32 %or24, i32* %b, align 4
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br label %if.end25
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if.end25: ; preds = %if.end20, %if.then23
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%6 = phi i32 [ %5, %if.end20 ], [ %or24, %if.then23 ]
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%and26 = and i32 %6, 64
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%tobool27 = icmp eq i32 %and26, 0
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br i1 %tobool27, label %if.end30, label %if.then28
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if.then28: ; preds = %if.end25
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%or29 = or i32 %6, 33554432
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store i32 %or29, i32* %b, align 4
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br label %if.end30
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if.end30: ; preds = %if.end25, %if.then28
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%7 = phi i32 [ %6, %if.end25 ], [ %or29, %if.then28 ]
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%and31 = and i32 %7, 256
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%tobool32 = icmp eq i32 %and31, 0
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br i1 %tobool32, label %if.end35, label %if.then33
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if.then33: ; preds = %if.end30
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%or34 = or i32 %7, 8388608
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store i32 %or34, i32* %b, align 4
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br label %if.end35
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if.end35: ; preds = %if.end30, %if.then33
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%8 = phi i32 [ %7, %if.end30 ], [ %or34, %if.then33 ]
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%and36 = and i32 %8, 512
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%tobool37 = icmp eq i32 %and36, 0
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br i1 %tobool37, label %if.end40, label %if.then38
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if.then38: ; preds = %if.end35
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%or39 = or i32 %8, 4194304
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store i32 %or39, i32* %b, align 4
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br label %if.end40
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if.end40: ; preds = %if.end35, %if.then38
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%9 = phi i32 [ %8, %if.end35 ], [ %or39, %if.then38 ]
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%and41 = and i32 %9, 1024
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%tobool42 = icmp eq i32 %and41, 0
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br i1 %tobool42, label %if.end45, label %if.then43
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if.then43: ; preds = %if.end40
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%or44 = or i32 %9, 2097152
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store i32 %or44, i32* %b, align 4
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br label %if.end45
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if.end45: ; preds = %if.end40, %if.then43
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%10 = phi i32 [ %9, %if.end40 ], [ %or44, %if.then43 ]
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%and46 = and i32 %10, 2048
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%tobool47 = icmp eq i32 %and46, 0
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br i1 %tobool47, label %if.end50, label %if.then48
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if.then48: ; preds = %if.end45
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%or49 = or i32 %10, 1048576
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store i32 %or49, i32* %b, align 4
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br label %if.end50
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if.end50: ; preds = %if.end45, %if.then48
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%11 = phi i32 [ %10, %if.end45 ], [ %or49, %if.then48 ]
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%and51 = and i32 %11, 4096
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%tobool52 = icmp eq i32 %and51, 0
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br i1 %tobool52, label %if.end55, label %if.then53
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if.then53: ; preds = %if.end50
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%or54 = or i32 %11, 524288
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store i32 %or54, i32* %b, align 4
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br label %if.end55
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if.end55: ; preds = %if.end50, %if.then53
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%12 = phi i32 [ %11, %if.end50 ], [ %or54, %if.then53 ]
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%and56 = and i32 %12, 8192
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%tobool57 = icmp eq i32 %and56, 0
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br i1 %tobool57, label %if.end60, label %if.then58
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if.then58: ; preds = %if.end55
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%or59 = or i32 %12, 262144
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store i32 %or59, i32* %b, align 4
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br label %if.end60
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if.end60: ; preds = %if.end55, %if.then58
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%13 = phi i32 [ %12, %if.end55 ], [ %or59, %if.then58 ]
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%and61 = and i32 %13, 16384
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%tobool62 = icmp eq i32 %and61, 0
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br i1 %tobool62, label %if.end65, label %if.then63
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if.then63: ; preds = %if.end60
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%or64 = or i32 %13, 131072
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store i32 %or64, i32* %b, align 4
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br label %if.end65
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if.end65: ; preds = %if.end60, %if.then63
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%14 = phi i32 [ %13, %if.end60 ], [ %or64, %if.then63 ]
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%and66 = and i32 %14, 32768
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%tobool67 = icmp eq i32 %and66, 0
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br i1 %tobool67, label %if.end70, label %if.then68
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if.then68: ; preds = %if.end65
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%or69 = or i32 %14, 65536
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store i32 %or69, i32* %b, align 4
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br label %if.end70
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if.end70: ; preds = %if.end65, %if.then68
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%15 = phi i32 [ %14, %if.end65 ], [ %or69, %if.then68 ]
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%and71 = and i32 %15, 128
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%tobool72 = icmp eq i32 %and71, 0
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br i1 %tobool72, label %if.end75, label %if.then73
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if.then73: ; preds = %if.end70
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%or74 = or i32 %15, 16777216
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store i32 %or74, i32* %b, align 4
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br label %if.end75
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if.end75: ; preds = %if.end70, %if.then73
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ret i32 0
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}
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