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llvm-mirror/test/Transforms/SimplifyCFG/merge-cond-stores-2.ll
Craig Topper 5696e1348d [SimplifyCFG] When merging conditional stores, don't count the store we're merging against the PHINodeFoldingThreshold
Merging conditional stores tries to check to see if the code is if convertible after the store is moved. But the store hasn't been moved yet so its being counted against the threshold.

The patch adds 1 to the threshold comparison to make sure we don't count the store. I've adjusted a test to use a lower threshold to ensure we still do that conversion with the lower threshold.

Differential Revision: https://reviews.llvm.org/D39570

llvm-svn: 317368
2017-11-03 21:08:13 +00:00

322 lines
17 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S < %s -simplifycfg -simplifycfg-merge-cond-stores=true -simplifycfg-merge-cond-stores-aggressively=false -phi-node-folding-threshold=1 | FileCheck %s
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
target triple = "armv7--linux-gnueabihf"
; This is a bit reversal that has been run through the early optimizer (-mem2reg -gvn -instcombine).
; There should be no additional PHIs created at all. The store should be on its own in a predicated
; block and there should be no PHIs.
define i32 @f(i32* %b) {
; CHECK-LABEL: @f(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[B:%.*]], align 4
; CHECK-NEXT: [[AND:%.*]] = and i32 [[TMP0]], 1
; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[AND]], 0
; CHECK-NEXT: [[OR:%.*]] = or i32 [[TMP0]], -2147483648
; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[TOBOOL]], i32 [[TMP0]], i32 [[OR]]
; CHECK-NEXT: [[AND1:%.*]] = and i32 [[TMP1]], 2
; CHECK-NEXT: [[TOBOOL2:%.*]] = icmp eq i32 [[AND1]], 0
; CHECK-NEXT: [[OR4:%.*]] = or i32 [[TMP1]], 1073741824
; CHECK-NEXT: [[DOTOR4:%.*]] = select i1 [[TOBOOL2]], i32 [[TMP1]], i32 [[OR4]]
; CHECK-NEXT: [[TMP2:%.*]] = xor i1 [[TOBOOL]], true
; CHECK-NEXT: [[TMP3:%.*]] = xor i1 [[TOBOOL2]], true
; CHECK-NEXT: [[TMP4:%.*]] = or i1 [[TMP2]], [[TMP3]]
; CHECK-NEXT: [[AND6:%.*]] = and i32 [[DOTOR4]], 4
; CHECK-NEXT: [[TOBOOL7:%.*]] = icmp eq i32 [[AND6]], 0
; CHECK-NEXT: [[OR9:%.*]] = or i32 [[DOTOR4]], 536870912
; CHECK-NEXT: [[DOTOR4_OR9:%.*]] = select i1 [[TOBOOL7]], i32 [[DOTOR4]], i32 [[OR9]]
; CHECK-NEXT: [[TMP5:%.*]] = xor i1 [[TMP4]], true
; CHECK-NEXT: [[TMP6:%.*]] = xor i1 [[TOBOOL7]], true
; CHECK-NEXT: [[TMP7:%.*]] = xor i1 [[TMP5]], true
; CHECK-NEXT: [[TMP8:%.*]] = or i1 [[TMP7]], [[TMP6]]
; CHECK-NEXT: [[AND11:%.*]] = and i32 [[DOTOR4_OR9]], 8
; CHECK-NEXT: [[TOBOOL12:%.*]] = icmp eq i32 [[AND11]], 0
; CHECK-NEXT: [[OR14:%.*]] = or i32 [[DOTOR4_OR9]], 268435456
; CHECK-NEXT: [[DOTOR4_OR9_OR14:%.*]] = select i1 [[TOBOOL12]], i32 [[DOTOR4_OR9]], i32 [[OR14]]
; CHECK-NEXT: [[TMP9:%.*]] = xor i1 [[TMP8]], true
; CHECK-NEXT: [[TMP10:%.*]] = xor i1 [[TOBOOL12]], true
; CHECK-NEXT: [[TMP11:%.*]] = xor i1 [[TMP9]], true
; CHECK-NEXT: [[TMP12:%.*]] = or i1 [[TMP11]], [[TMP10]]
; CHECK-NEXT: [[AND16:%.*]] = and i32 [[DOTOR4_OR9_OR14]], 16
; CHECK-NEXT: [[TOBOOL17:%.*]] = icmp eq i32 [[AND16]], 0
; CHECK-NEXT: [[OR19:%.*]] = or i32 [[DOTOR4_OR9_OR14]], 134217728
; CHECK-NEXT: [[DOTOR4_OR9_OR14_OR19:%.*]] = select i1 [[TOBOOL17]], i32 [[DOTOR4_OR9_OR14]], i32 [[OR19]]
; CHECK-NEXT: [[TMP13:%.*]] = xor i1 [[TMP12]], true
; CHECK-NEXT: [[TMP14:%.*]] = xor i1 [[TOBOOL17]], true
; CHECK-NEXT: [[TMP15:%.*]] = xor i1 [[TMP13]], true
; CHECK-NEXT: [[TMP16:%.*]] = or i1 [[TMP15]], [[TMP14]]
; CHECK-NEXT: [[AND21:%.*]] = and i32 [[DOTOR4_OR9_OR14_OR19]], 32
; CHECK-NEXT: [[TOBOOL22:%.*]] = icmp eq i32 [[AND21]], 0
; CHECK-NEXT: [[OR24:%.*]] = or i32 [[DOTOR4_OR9_OR14_OR19]], 67108864
; CHECK-NEXT: [[DOTOR4_OR9_OR14_OR19_OR24:%.*]] = select i1 [[TOBOOL22]], i32 [[DOTOR4_OR9_OR14_OR19]], i32 [[OR24]]
; CHECK-NEXT: [[TMP17:%.*]] = xor i1 [[TMP16]], true
; CHECK-NEXT: [[TMP18:%.*]] = xor i1 [[TOBOOL22]], true
; CHECK-NEXT: [[TMP19:%.*]] = xor i1 [[TMP17]], true
; CHECK-NEXT: [[TMP20:%.*]] = or i1 [[TMP19]], [[TMP18]]
; CHECK-NEXT: [[AND26:%.*]] = and i32 [[DOTOR4_OR9_OR14_OR19_OR24]], 64
; CHECK-NEXT: [[TOBOOL27:%.*]] = icmp eq i32 [[AND26]], 0
; CHECK-NEXT: [[OR29:%.*]] = or i32 [[DOTOR4_OR9_OR14_OR19_OR24]], 33554432
; CHECK-NEXT: [[DOTOR4_OR9_OR14_OR19_OR24_OR29:%.*]] = select i1 [[TOBOOL27]], i32 [[DOTOR4_OR9_OR14_OR19_OR24]], i32 [[OR29]]
; CHECK-NEXT: [[TMP21:%.*]] = xor i1 [[TMP20]], true
; CHECK-NEXT: [[TMP22:%.*]] = xor i1 [[TOBOOL27]], true
; CHECK-NEXT: [[TMP23:%.*]] = xor i1 [[TMP21]], true
; CHECK-NEXT: [[TMP24:%.*]] = or i1 [[TMP23]], [[TMP22]]
; CHECK-NEXT: [[AND31:%.*]] = and i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29]], 256
; CHECK-NEXT: [[TOBOOL32:%.*]] = icmp eq i32 [[AND31]], 0
; CHECK-NEXT: [[OR34:%.*]] = or i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29]], 8388608
; CHECK-NEXT: [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34:%.*]] = select i1 [[TOBOOL32]], i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29]], i32 [[OR34]]
; CHECK-NEXT: [[TMP25:%.*]] = xor i1 [[TMP24]], true
; CHECK-NEXT: [[TMP26:%.*]] = xor i1 [[TOBOOL32]], true
; CHECK-NEXT: [[TMP27:%.*]] = xor i1 [[TMP25]], true
; CHECK-NEXT: [[TMP28:%.*]] = or i1 [[TMP27]], [[TMP26]]
; CHECK-NEXT: [[AND36:%.*]] = and i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34]], 512
; CHECK-NEXT: [[TOBOOL37:%.*]] = icmp eq i32 [[AND36]], 0
; CHECK-NEXT: [[OR39:%.*]] = or i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34]], 4194304
; CHECK-NEXT: [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39:%.*]] = select i1 [[TOBOOL37]], i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34]], i32 [[OR39]]
; CHECK-NEXT: [[TMP29:%.*]] = xor i1 [[TMP28]], true
; CHECK-NEXT: [[TMP30:%.*]] = xor i1 [[TOBOOL37]], true
; CHECK-NEXT: [[TMP31:%.*]] = xor i1 [[TMP29]], true
; CHECK-NEXT: [[TMP32:%.*]] = or i1 [[TMP31]], [[TMP30]]
; CHECK-NEXT: [[AND41:%.*]] = and i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39]], 1024
; CHECK-NEXT: [[TOBOOL42:%.*]] = icmp eq i32 [[AND41]], 0
; CHECK-NEXT: [[OR44:%.*]] = or i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39]], 2097152
; CHECK-NEXT: [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39_OR44:%.*]] = select i1 [[TOBOOL42]], i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39]], i32 [[OR44]]
; CHECK-NEXT: [[TMP33:%.*]] = xor i1 [[TMP32]], true
; CHECK-NEXT: [[TMP34:%.*]] = xor i1 [[TOBOOL42]], true
; CHECK-NEXT: [[TMP35:%.*]] = xor i1 [[TMP33]], true
; CHECK-NEXT: [[TMP36:%.*]] = or i1 [[TMP35]], [[TMP34]]
; CHECK-NEXT: [[AND46:%.*]] = and i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39_OR44]], 2048
; CHECK-NEXT: [[TOBOOL47:%.*]] = icmp eq i32 [[AND46]], 0
; CHECK-NEXT: [[OR49:%.*]] = or i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39_OR44]], 1048576
; CHECK-NEXT: [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39_OR44_OR49:%.*]] = select i1 [[TOBOOL47]], i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39_OR44]], i32 [[OR49]]
; CHECK-NEXT: [[TMP37:%.*]] = xor i1 [[TMP36]], true
; CHECK-NEXT: [[TMP38:%.*]] = xor i1 [[TOBOOL47]], true
; CHECK-NEXT: [[TMP39:%.*]] = xor i1 [[TMP37]], true
; CHECK-NEXT: [[TMP40:%.*]] = or i1 [[TMP39]], [[TMP38]]
; CHECK-NEXT: [[AND51:%.*]] = and i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39_OR44_OR49]], 4096
; CHECK-NEXT: [[TOBOOL52:%.*]] = icmp eq i32 [[AND51]], 0
; CHECK-NEXT: [[OR54:%.*]] = or i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39_OR44_OR49]], 524288
; CHECK-NEXT: [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39_OR44_OR49_OR54:%.*]] = select i1 [[TOBOOL52]], i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39_OR44_OR49]], i32 [[OR54]]
; CHECK-NEXT: [[TMP41:%.*]] = xor i1 [[TMP40]], true
; CHECK-NEXT: [[TMP42:%.*]] = xor i1 [[TOBOOL52]], true
; CHECK-NEXT: [[TMP43:%.*]] = xor i1 [[TMP41]], true
; CHECK-NEXT: [[TMP44:%.*]] = or i1 [[TMP43]], [[TMP42]]
; CHECK-NEXT: [[AND56:%.*]] = and i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39_OR44_OR49_OR54]], 8192
; CHECK-NEXT: [[TOBOOL57:%.*]] = icmp eq i32 [[AND56]], 0
; CHECK-NEXT: [[OR59:%.*]] = or i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39_OR44_OR49_OR54]], 262144
; CHECK-NEXT: [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39_OR44_OR49_OR54_OR59:%.*]] = select i1 [[TOBOOL57]], i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39_OR44_OR49_OR54]], i32 [[OR59]]
; CHECK-NEXT: [[TMP45:%.*]] = xor i1 [[TMP44]], true
; CHECK-NEXT: [[TMP46:%.*]] = xor i1 [[TOBOOL57]], true
; CHECK-NEXT: [[TMP47:%.*]] = xor i1 [[TMP45]], true
; CHECK-NEXT: [[TMP48:%.*]] = or i1 [[TMP47]], [[TMP46]]
; CHECK-NEXT: [[AND61:%.*]] = and i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39_OR44_OR49_OR54_OR59]], 16384
; CHECK-NEXT: [[TOBOOL62:%.*]] = icmp eq i32 [[AND61]], 0
; CHECK-NEXT: [[OR64:%.*]] = or i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39_OR44_OR49_OR54_OR59]], 131072
; CHECK-NEXT: [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39_OR44_OR49_OR54_OR59_OR64:%.*]] = select i1 [[TOBOOL62]], i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39_OR44_OR49_OR54_OR59]], i32 [[OR64]]
; CHECK-NEXT: [[TMP49:%.*]] = xor i1 [[TMP48]], true
; CHECK-NEXT: [[TMP50:%.*]] = xor i1 [[TOBOOL62]], true
; CHECK-NEXT: [[TMP51:%.*]] = xor i1 [[TMP49]], true
; CHECK-NEXT: [[TMP52:%.*]] = or i1 [[TMP51]], [[TMP50]]
; CHECK-NEXT: [[AND66:%.*]] = and i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39_OR44_OR49_OR54_OR59_OR64]], 32768
; CHECK-NEXT: [[TOBOOL67:%.*]] = icmp eq i32 [[AND66]], 0
; CHECK-NEXT: [[OR69:%.*]] = or i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39_OR44_OR49_OR54_OR59_OR64]], 65536
; CHECK-NEXT: [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39_OR44_OR49_OR54_OR59_OR64_OR69:%.*]] = select i1 [[TOBOOL67]], i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39_OR44_OR49_OR54_OR59_OR64]], i32 [[OR69]]
; CHECK-NEXT: [[TMP53:%.*]] = xor i1 [[TMP52]], true
; CHECK-NEXT: [[TMP54:%.*]] = xor i1 [[TOBOOL67]], true
; CHECK-NEXT: [[TMP55:%.*]] = xor i1 [[TMP53]], true
; CHECK-NEXT: [[TMP56:%.*]] = or i1 [[TMP55]], [[TMP54]]
; CHECK-NEXT: [[AND71:%.*]] = and i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39_OR44_OR49_OR54_OR59_OR64_OR69]], 128
; CHECK-NEXT: [[TOBOOL72:%.*]] = icmp eq i32 [[AND71]], 0
; CHECK-NEXT: [[OR74:%.*]] = or i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39_OR44_OR49_OR54_OR59_OR64_OR69]], 16777216
; CHECK-NEXT: [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39_OR44_OR49_OR54_OR59_OR64_OR69_OR74:%.*]] = select i1 [[TOBOOL72]], i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39_OR44_OR49_OR54_OR59_OR64_OR69]], i32 [[OR74]]
; CHECK-NEXT: [[TMP57:%.*]] = xor i1 [[TMP56]], true
; CHECK-NEXT: [[TMP58:%.*]] = xor i1 [[TOBOOL72]], true
; CHECK-NEXT: [[TMP59:%.*]] = xor i1 [[TMP57]], true
; CHECK-NEXT: [[TMP60:%.*]] = or i1 [[TMP59]], [[TMP58]]
; CHECK-NEXT: br i1 [[TMP60]], label [[TMP61:%.*]], label [[TMP62:%.*]]
; CHECK: store i32 [[DOTOR4_OR9_OR14_OR19_OR24_OR29_OR34_OR39_OR44_OR49_OR54_OR59_OR64_OR69_OR74]], i32* [[B]], align 4
; CHECK-NEXT: br label [[TMP62]]
; CHECK: ret i32 0
;
entry:
%0 = load i32, i32* %b, align 4
%and = and i32 %0, 1
%tobool = icmp eq i32 %and, 0
br i1 %tobool, label %if.end, label %if.then
if.then: ; preds = %entry
%or = or i32 %0, -2147483648
store i32 %or, i32* %b, align 4
br label %if.end
if.end: ; preds = %entry, %if.then
%1 = phi i32 [ %0, %entry ], [ %or, %if.then ]
%and1 = and i32 %1, 2
%tobool2 = icmp eq i32 %and1, 0
br i1 %tobool2, label %if.end5, label %if.then3
if.then3: ; preds = %if.end
%or4 = or i32 %1, 1073741824
store i32 %or4, i32* %b, align 4
br label %if.end5
if.end5: ; preds = %if.end, %if.then3
%2 = phi i32 [ %1, %if.end ], [ %or4, %if.then3 ]
%and6 = and i32 %2, 4
%tobool7 = icmp eq i32 %and6, 0
br i1 %tobool7, label %if.end10, label %if.then8
if.then8: ; preds = %if.end5
%or9 = or i32 %2, 536870912
store i32 %or9, i32* %b, align 4
br label %if.end10
if.end10: ; preds = %if.end5, %if.then8
%3 = phi i32 [ %2, %if.end5 ], [ %or9, %if.then8 ]
%and11 = and i32 %3, 8
%tobool12 = icmp eq i32 %and11, 0
br i1 %tobool12, label %if.end15, label %if.then13
if.then13: ; preds = %if.end10
%or14 = or i32 %3, 268435456
store i32 %or14, i32* %b, align 4
br label %if.end15
if.end15: ; preds = %if.end10, %if.then13
%4 = phi i32 [ %3, %if.end10 ], [ %or14, %if.then13 ]
%and16 = and i32 %4, 16
%tobool17 = icmp eq i32 %and16, 0
br i1 %tobool17, label %if.end20, label %if.then18
if.then18: ; preds = %if.end15
%or19 = or i32 %4, 134217728
store i32 %or19, i32* %b, align 4
br label %if.end20
if.end20: ; preds = %if.end15, %if.then18
%5 = phi i32 [ %4, %if.end15 ], [ %or19, %if.then18 ]
%and21 = and i32 %5, 32
%tobool22 = icmp eq i32 %and21, 0
br i1 %tobool22, label %if.end25, label %if.then23
if.then23: ; preds = %if.end20
%or24 = or i32 %5, 67108864
store i32 %or24, i32* %b, align 4
br label %if.end25
if.end25: ; preds = %if.end20, %if.then23
%6 = phi i32 [ %5, %if.end20 ], [ %or24, %if.then23 ]
%and26 = and i32 %6, 64
%tobool27 = icmp eq i32 %and26, 0
br i1 %tobool27, label %if.end30, label %if.then28
if.then28: ; preds = %if.end25
%or29 = or i32 %6, 33554432
store i32 %or29, i32* %b, align 4
br label %if.end30
if.end30: ; preds = %if.end25, %if.then28
%7 = phi i32 [ %6, %if.end25 ], [ %or29, %if.then28 ]
%and31 = and i32 %7, 256
%tobool32 = icmp eq i32 %and31, 0
br i1 %tobool32, label %if.end35, label %if.then33
if.then33: ; preds = %if.end30
%or34 = or i32 %7, 8388608
store i32 %or34, i32* %b, align 4
br label %if.end35
if.end35: ; preds = %if.end30, %if.then33
%8 = phi i32 [ %7, %if.end30 ], [ %or34, %if.then33 ]
%and36 = and i32 %8, 512
%tobool37 = icmp eq i32 %and36, 0
br i1 %tobool37, label %if.end40, label %if.then38
if.then38: ; preds = %if.end35
%or39 = or i32 %8, 4194304
store i32 %or39, i32* %b, align 4
br label %if.end40
if.end40: ; preds = %if.end35, %if.then38
%9 = phi i32 [ %8, %if.end35 ], [ %or39, %if.then38 ]
%and41 = and i32 %9, 1024
%tobool42 = icmp eq i32 %and41, 0
br i1 %tobool42, label %if.end45, label %if.then43
if.then43: ; preds = %if.end40
%or44 = or i32 %9, 2097152
store i32 %or44, i32* %b, align 4
br label %if.end45
if.end45: ; preds = %if.end40, %if.then43
%10 = phi i32 [ %9, %if.end40 ], [ %or44, %if.then43 ]
%and46 = and i32 %10, 2048
%tobool47 = icmp eq i32 %and46, 0
br i1 %tobool47, label %if.end50, label %if.then48
if.then48: ; preds = %if.end45
%or49 = or i32 %10, 1048576
store i32 %or49, i32* %b, align 4
br label %if.end50
if.end50: ; preds = %if.end45, %if.then48
%11 = phi i32 [ %10, %if.end45 ], [ %or49, %if.then48 ]
%and51 = and i32 %11, 4096
%tobool52 = icmp eq i32 %and51, 0
br i1 %tobool52, label %if.end55, label %if.then53
if.then53: ; preds = %if.end50
%or54 = or i32 %11, 524288
store i32 %or54, i32* %b, align 4
br label %if.end55
if.end55: ; preds = %if.end50, %if.then53
%12 = phi i32 [ %11, %if.end50 ], [ %or54, %if.then53 ]
%and56 = and i32 %12, 8192
%tobool57 = icmp eq i32 %and56, 0
br i1 %tobool57, label %if.end60, label %if.then58
if.then58: ; preds = %if.end55
%or59 = or i32 %12, 262144
store i32 %or59, i32* %b, align 4
br label %if.end60
if.end60: ; preds = %if.end55, %if.then58
%13 = phi i32 [ %12, %if.end55 ], [ %or59, %if.then58 ]
%and61 = and i32 %13, 16384
%tobool62 = icmp eq i32 %and61, 0
br i1 %tobool62, label %if.end65, label %if.then63
if.then63: ; preds = %if.end60
%or64 = or i32 %13, 131072
store i32 %or64, i32* %b, align 4
br label %if.end65
if.end65: ; preds = %if.end60, %if.then63
%14 = phi i32 [ %13, %if.end60 ], [ %or64, %if.then63 ]
%and66 = and i32 %14, 32768
%tobool67 = icmp eq i32 %and66, 0
br i1 %tobool67, label %if.end70, label %if.then68
if.then68: ; preds = %if.end65
%or69 = or i32 %14, 65536
store i32 %or69, i32* %b, align 4
br label %if.end70
if.end70: ; preds = %if.end65, %if.then68
%15 = phi i32 [ %14, %if.end65 ], [ %or69, %if.then68 ]
%and71 = and i32 %15, 128
%tobool72 = icmp eq i32 %and71, 0
br i1 %tobool72, label %if.end75, label %if.then73
if.then73: ; preds = %if.end70
%or74 = or i32 %15, 16777216
store i32 %or74, i32* %b, align 4
br label %if.end75
if.end75: ; preds = %if.end70, %if.then73
ret i32 0
}