mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-10-31 08:16:47 +00:00
2f3c326786
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160439 91177308-0d34-0410-b5e6-96231b3b80d8
518 lines
19 KiB
LLVM
518 lines
19 KiB
LLVM
; RUN: opt -loop-reduce -disable-output -debug-only=loop-reduce %s 2> %t
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; RUN: FileCheck %s < %t
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; REQUIRES: asserts
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;
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; PR13361: LSR + SCEV "hangs" on reasonably sized test with sequence of loops
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;
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; Without limits on CollectSubexpr, we have thousands of formulae for
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; the use that crosses loops. With limits we have five.
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; CHECK: LSR on loop %bb221:
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; CHECK: After generating reuse formulae:
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; CHECK: LSR is examining the following uses:
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; CHECK: LSR Use: Kind=Special
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; CHECK: {{.*reg\(\{\{\{\{\{\{\{\{\{}}
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; CHECK: {{.*reg\(\{\{\{\{\{\{\{\{\{}}
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; CHECK: {{.*reg\(\{\{\{\{\{\{\{\{\{}}
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; CHECK: {{.*reg\(\{\{\{\{\{\{\{\{\{}}
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; CHECK: {{.*reg\(\{\{\{\{\{\{\{\{\{}}
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; CHECK-NOT:reg
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; CHECK: Filtering for use
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-freebsd9"
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%struct.snork = type { %struct.fuga, i32, i32, i32, i32, i32, i32 }
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%struct.fuga = type { %struct.gork, i64 }
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%struct.gork = type { i8*, i32, i32, %struct.noot* }
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%struct.noot = type opaque
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%struct.jim = type { [5120 x i8], i32, i32, [2048 x i8], i32, [256 x i8] }
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@global = external global %struct.snork, align 8
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@global1 = external hidden unnamed_addr constant [52 x i8], align 1
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@global2 = external hidden unnamed_addr constant [18 x i8], align 1
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@global3 = external hidden global %struct.jim, align 32
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@global4 = external hidden unnamed_addr constant [40 x i8], align 1
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declare void @snork(...) nounwind
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declare fastcc void @blarg() nounwind uwtable readonly
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define hidden fastcc void @boogle() nounwind uwtable {
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bb:
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%tmp = trunc i64 0 to i32
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%tmp1 = icmp slt i32 %tmp, 2047
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%tmp2 = add i32 0, -1
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%tmp3 = icmp ult i32 %tmp2, 255
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%tmp4 = and i1 %tmp1, %tmp3
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br i1 %tmp4, label %bb6, label %bb5
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bb5: ; preds = %bb
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tail call void (...)* @snork(i8* getelementptr inbounds ([52 x i8]* @global1, i64 0, i64 0), i32 2021) nounwind
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tail call void (...)* @snork(i8* getelementptr inbounds (%struct.jim* @global3, i64 0, i32 3, i64 1), i32 -2146631418) nounwind
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unreachable
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bb6: ; preds = %bb
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tail call void @zot(i8* getelementptr inbounds (%struct.jim* @global3, i64 0, i32 5, i64 0), i8* getelementptr inbounds (%struct.jim* @global3, i64 0, i32 3, i64 1), i64 undef, i32 1, i1 false) nounwind
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%tmp7 = getelementptr inbounds %struct.jim* @global3, i64 0, i32 5, i64 undef
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store i8 0, i8* %tmp7, align 1
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%tmp8 = add nsw i32 0, 1
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%tmp9 = sext i32 %tmp8 to i64
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%tmp10 = add i64 %tmp9, 1
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%tmp11 = getelementptr inbounds %struct.jim* @global3, i64 0, i32 3, i64 %tmp10
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%tmp12 = sub i64 2047, %tmp9
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%tmp13 = icmp eq i32 undef, 1
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br i1 %tmp13, label %bb14, label %bb15
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bb14: ; preds = %bb6
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tail call fastcc void @blarg()
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unreachable
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bb15: ; preds = %bb6
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%tmp16 = trunc i64 %tmp12 to i32
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br label %bb17
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bb17: ; preds = %bb26, %bb15
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%tmp18 = phi i64 [ %tmp28, %bb26 ], [ 0, %bb15 ]
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%tmp19 = phi i32 [ %tmp29, %bb26 ], [ 0, %bb15 ]
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%tmp20 = trunc i64 %tmp18 to i32
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%tmp21 = icmp slt i32 %tmp20, %tmp16
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br i1 %tmp21, label %bb22, label %bb32
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bb22: ; preds = %bb17
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%tmp23 = getelementptr inbounds %struct.jim* @global3, i64 0, i32 3, i64 0
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%tmp24 = load i8* %tmp23, align 1
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%tmp25 = icmp eq i8 %tmp24, 58
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br i1 %tmp25, label %bb30, label %bb26
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bb26: ; preds = %bb22
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%tmp27 = icmp eq i8 %tmp24, 0
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%tmp28 = add i64 %tmp18, 1
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%tmp29 = add nsw i32 %tmp19, 1
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br i1 %tmp27, label %bb32, label %bb17
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bb30: ; preds = %bb22
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%tmp31 = icmp ult i32 undef, 255
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br i1 %tmp31, label %bb33, label %bb32
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bb32: ; preds = %bb30, %bb26, %bb17
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tail call void (...)* @snork(i8* getelementptr inbounds ([52 x i8]* @global1, i64 0, i64 0), i32 2038) nounwind
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tail call void (...)* @snork(i8* %tmp11, i32 -2146631418) nounwind
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unreachable
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bb33: ; preds = %bb30
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tail call void @zot(i8* getelementptr inbounds (%struct.jim* @global3, i64 0, i32 5, i64 0), i8* %tmp11, i64 undef, i32 1, i1 false) nounwind
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%tmp34 = getelementptr inbounds %struct.jim* @global3, i64 0, i32 5, i64 undef
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store i8 0, i8* %tmp34, align 1
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%tmp35 = add nsw i32 %tmp19, 1
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%tmp36 = sext i32 %tmp35 to i64
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%tmp37 = add i64 %tmp36, %tmp10
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%tmp38 = getelementptr inbounds %struct.jim* @global3, i64 0, i32 3, i64 %tmp37
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%tmp39 = sub i64 %tmp12, %tmp36
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br i1 false, label %bb40, label %bb41
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bb40: ; preds = %bb33
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br label %bb41
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bb41: ; preds = %bb40, %bb33
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%tmp42 = trunc i64 %tmp39 to i32
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br label %bb43
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bb43: ; preds = %bb52, %bb41
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%tmp44 = phi i64 [ %tmp53, %bb52 ], [ 0, %bb41 ]
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%tmp45 = phi i32 [ %tmp54, %bb52 ], [ 0, %bb41 ]
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%tmp46 = trunc i64 %tmp44 to i32
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%tmp47 = icmp slt i32 %tmp46, %tmp42
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br i1 %tmp47, label %bb48, label %bb58
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bb48: ; preds = %bb43
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%tmp49 = add i64 %tmp44, %tmp37
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%tmp50 = load i8* undef, align 1
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%tmp51 = icmp eq i8 %tmp50, 58
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br i1 %tmp51, label %bb55, label %bb52
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bb52: ; preds = %bb48
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%tmp53 = add i64 %tmp44, 1
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%tmp54 = add nsw i32 %tmp45, 1
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br i1 undef, label %bb58, label %bb43
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bb55: ; preds = %bb48
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%tmp56 = add i32 %tmp45, -1
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%tmp57 = icmp ult i32 %tmp56, 255
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br i1 %tmp57, label %bb59, label %bb58
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bb58: ; preds = %bb55, %bb52, %bb43
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tail call void (...)* @snork(i8* getelementptr inbounds ([52 x i8]* @global1, i64 0, i64 0), i32 2055) nounwind
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tail call void (...)* @snork(i8* %tmp38, i32 -2146631418) nounwind
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br label %bb247
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bb59: ; preds = %bb55
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%tmp60 = sext i32 %tmp45 to i64
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tail call void @zot(i8* getelementptr inbounds (%struct.jim* @global3, i64 0, i32 5, i64 0), i8* %tmp38, i64 %tmp60, i32 1, i1 false) nounwind
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%tmp61 = getelementptr inbounds %struct.jim* @global3, i64 0, i32 5, i64 %tmp60
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store i8 0, i8* %tmp61, align 1
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%tmp62 = add nsw i32 %tmp45, 1
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%tmp63 = sext i32 %tmp62 to i64
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%tmp64 = add i64 %tmp63, %tmp37
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%tmp65 = sub i64 %tmp39, %tmp63
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%tmp66 = icmp eq i32 undef, 2
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br i1 %tmp66, label %bb67, label %bb68
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bb67: ; preds = %bb59
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tail call fastcc void @blarg()
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unreachable
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bb68: ; preds = %bb59
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switch i32 undef, label %bb71 [
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i32 0, label %bb74
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i32 -1, label %bb69
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]
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bb69: ; preds = %bb68
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tail call void (...)* @snork(i8* getelementptr inbounds ([52 x i8]* @global1, i64 0, i64 0), i32 2071) nounwind
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%tmp70 = load i32* getelementptr inbounds (%struct.snork* @global, i64 0, i32 2), align 4
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unreachable
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bb71: ; preds = %bb68
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%tmp72 = load i32* getelementptr inbounds (%struct.snork* @global, i64 0, i32 4), align 4
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%tmp73 = icmp eq i32 undef, 0
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br i1 %tmp73, label %bb247, label %bb74
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bb74: ; preds = %bb71, %bb68
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%tmp75 = trunc i64 %tmp65 to i32
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br label %bb76
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bb76: ; preds = %bb82, %bb74
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%tmp77 = phi i64 [ %tmp84, %bb82 ], [ 0, %bb74 ]
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%tmp78 = phi i32 [ %tmp85, %bb82 ], [ 0, %bb74 ]
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%tmp79 = trunc i64 %tmp77 to i32
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%tmp80 = icmp slt i32 %tmp79, %tmp75
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br i1 %tmp80, label %bb81, label %bb87
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bb81: ; preds = %bb76
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br i1 false, label %bb86, label %bb82
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bb82: ; preds = %bb81
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%tmp83 = icmp eq i8 0, 0
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%tmp84 = add i64 %tmp77, 1
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%tmp85 = add nsw i32 %tmp78, 1
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br i1 %tmp83, label %bb87, label %bb76
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bb86: ; preds = %bb81
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br i1 undef, label %bb88, label %bb87
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bb87: ; preds = %bb86, %bb82, %bb76
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unreachable
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bb88: ; preds = %bb86
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%tmp89 = add nsw i32 %tmp78, 1
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%tmp90 = sext i32 %tmp89 to i64
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%tmp91 = add i64 %tmp90, %tmp64
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%tmp92 = sub i64 %tmp65, %tmp90
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br i1 false, label %bb93, label %bb94
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bb93: ; preds = %bb88
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unreachable
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bb94: ; preds = %bb88
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%tmp95 = trunc i64 %tmp92 to i32
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br label %bb96
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bb96: ; preds = %bb102, %bb94
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%tmp97 = phi i64 [ %tmp103, %bb102 ], [ 0, %bb94 ]
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%tmp98 = phi i32 [ %tmp104, %bb102 ], [ 0, %bb94 ]
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%tmp99 = trunc i64 %tmp97 to i32
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%tmp100 = icmp slt i32 %tmp99, %tmp95
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br i1 %tmp100, label %bb101, label %bb106
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bb101: ; preds = %bb96
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br i1 undef, label %bb105, label %bb102
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bb102: ; preds = %bb101
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%tmp103 = add i64 %tmp97, 1
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%tmp104 = add nsw i32 %tmp98, 1
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br i1 false, label %bb106, label %bb96
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bb105: ; preds = %bb101
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br i1 undef, label %bb107, label %bb106
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bb106: ; preds = %bb105, %bb102, %bb96
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br label %bb247
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bb107: ; preds = %bb105
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%tmp108 = add nsw i32 %tmp98, 1
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%tmp109 = sext i32 %tmp108 to i64
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%tmp110 = add i64 %tmp109, %tmp91
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%tmp111 = sub i64 %tmp92, %tmp109
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br i1 false, label %bb112, label %bb113
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bb112: ; preds = %bb107
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unreachable
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bb113: ; preds = %bb107
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%tmp114 = trunc i64 %tmp111 to i32
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br label %bb115
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bb115: ; preds = %bb121, %bb113
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%tmp116 = phi i64 [ %tmp122, %bb121 ], [ 0, %bb113 ]
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%tmp117 = phi i32 [ %tmp123, %bb121 ], [ 0, %bb113 ]
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%tmp118 = trunc i64 %tmp116 to i32
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%tmp119 = icmp slt i32 %tmp118, %tmp114
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br i1 %tmp119, label %bb120, label %bb125
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bb120: ; preds = %bb115
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br i1 undef, label %bb124, label %bb121
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bb121: ; preds = %bb120
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%tmp122 = add i64 %tmp116, 1
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%tmp123 = add nsw i32 %tmp117, 1
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br i1 false, label %bb125, label %bb115
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bb124: ; preds = %bb120
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br i1 false, label %bb126, label %bb125
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bb125: ; preds = %bb124, %bb121, %bb115
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unreachable
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bb126: ; preds = %bb124
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%tmp127 = add nsw i32 %tmp117, 1
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%tmp128 = sext i32 %tmp127 to i64
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%tmp129 = add i64 %tmp128, %tmp110
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%tmp130 = sub i64 %tmp111, %tmp128
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tail call fastcc void @blarg()
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br i1 false, label %bb132, label %bb131
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bb131: ; preds = %bb126
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unreachable
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bb132: ; preds = %bb126
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%tmp133 = trunc i64 %tmp130 to i32
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br label %bb134
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bb134: ; preds = %bb140, %bb132
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%tmp135 = phi i64 [ %tmp141, %bb140 ], [ 0, %bb132 ]
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%tmp136 = phi i32 [ %tmp142, %bb140 ], [ 0, %bb132 ]
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%tmp137 = trunc i64 %tmp135 to i32
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%tmp138 = icmp slt i32 %tmp137, %tmp133
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br i1 %tmp138, label %bb139, label %bb144
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bb139: ; preds = %bb134
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br i1 false, label %bb143, label %bb140
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bb140: ; preds = %bb139
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%tmp141 = add i64 %tmp135, 1
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%tmp142 = add nsw i32 %tmp136, 1
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br i1 false, label %bb144, label %bb134
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bb143: ; preds = %bb139
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br i1 false, label %bb145, label %bb144
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bb144: ; preds = %bb143, %bb140, %bb134
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br label %bb247
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bb145: ; preds = %bb143
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%tmp146 = add nsw i32 %tmp136, 1
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%tmp147 = sext i32 %tmp146 to i64
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%tmp148 = add i64 %tmp147, %tmp129
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%tmp149 = sub i64 %tmp130, %tmp147
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switch i32 0, label %bb152 [
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i32 0, label %bb150
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i32 16, label %bb150
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i32 32, label %bb150
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i32 48, label %bb150
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i32 64, label %bb150
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i32 256, label %bb150
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i32 4096, label %bb150
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]
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bb150: ; preds = %bb145, %bb145, %bb145, %bb145, %bb145, %bb145, %bb145
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%tmp151 = trunc i64 %tmp149 to i32
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br label %bb153
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bb152: ; preds = %bb145
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unreachable
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bb153: ; preds = %bb160, %bb150
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%tmp154 = phi i64 [ %tmp161, %bb160 ], [ 0, %bb150 ]
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%tmp155 = phi i32 [ %tmp162, %bb160 ], [ 0, %bb150 ]
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%tmp156 = trunc i64 %tmp154 to i32
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%tmp157 = icmp slt i32 %tmp156, %tmp151
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br i1 %tmp157, label %bb158, label %bb166
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bb158: ; preds = %bb153
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%tmp159 = add i64 %tmp154, %tmp148
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br i1 false, label %bb163, label %bb160
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bb160: ; preds = %bb158
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%tmp161 = add i64 %tmp154, 1
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%tmp162 = add nsw i32 %tmp155, 1
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br i1 false, label %bb166, label %bb153
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bb163: ; preds = %bb158
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%tmp164 = add i32 %tmp155, -1
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%tmp165 = icmp ult i32 %tmp164, 255
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br i1 %tmp165, label %bb167, label %bb166
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bb166: ; preds = %bb163, %bb160, %bb153
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unreachable
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bb167: ; preds = %bb163
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%tmp168 = add nsw i32 %tmp155, 1
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%tmp169 = sext i32 %tmp168 to i64
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%tmp170 = add i64 %tmp169, %tmp148
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%tmp171 = sub i64 %tmp149, %tmp169
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br i1 false, label %bb173, label %bb172
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bb172: ; preds = %bb167
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unreachable
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bb173: ; preds = %bb167
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%tmp174 = trunc i64 %tmp171 to i32
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br label %bb175
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bb175: ; preds = %bb181, %bb173
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%tmp176 = phi i64 [ %tmp183, %bb181 ], [ 0, %bb173 ]
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%tmp177 = phi i32 [ %tmp184, %bb181 ], [ 0, %bb173 ]
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%tmp178 = trunc i64 %tmp176 to i32
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%tmp179 = icmp slt i32 %tmp178, %tmp174
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br i1 %tmp179, label %bb180, label %bb186
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bb180: ; preds = %bb175
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br i1 false, label %bb185, label %bb181
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bb181: ; preds = %bb180
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%tmp182 = icmp eq i8 0, 0
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%tmp183 = add i64 %tmp176, 1
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%tmp184 = add nsw i32 %tmp177, 1
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br i1 %tmp182, label %bb186, label %bb175
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bb185: ; preds = %bb180
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br i1 false, label %bb187, label %bb186
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bb186: ; preds = %bb185, %bb181, %bb175
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unreachable
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bb187: ; preds = %bb185
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%tmp188 = add nsw i32 %tmp177, 1
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%tmp189 = sext i32 %tmp188 to i64
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%tmp190 = sub i64 %tmp171, %tmp189
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br i1 false, label %bb192, label %bb191
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bb191: ; preds = %bb187
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unreachable
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bb192: ; preds = %bb187
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%tmp193 = trunc i64 %tmp190 to i32
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br label %bb194
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bb194: ; preds = %bb200, %bb192
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%tmp195 = phi i64 [ %tmp201, %bb200 ], [ 0, %bb192 ]
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%tmp196 = phi i32 [ %tmp202, %bb200 ], [ 0, %bb192 ]
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%tmp197 = trunc i64 %tmp195 to i32
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%tmp198 = icmp slt i32 %tmp197, %tmp193
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br i1 %tmp198, label %bb199, label %bb204
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bb199: ; preds = %bb194
|
|
br i1 false, label %bb203, label %bb200
|
|
|
|
bb200: ; preds = %bb199
|
|
%tmp201 = add i64 %tmp195, 1
|
|
%tmp202 = add nsw i32 %tmp196, 1
|
|
br i1 false, label %bb204, label %bb194
|
|
|
|
bb203: ; preds = %bb199
|
|
br i1 undef, label %bb205, label %bb204
|
|
|
|
bb204: ; preds = %bb203, %bb200, %bb194
|
|
unreachable
|
|
|
|
bb205: ; preds = %bb203
|
|
%tmp206 = add nsw i32 %tmp196, 1
|
|
%tmp207 = sext i32 %tmp206 to i64
|
|
%tmp208 = add i64 %tmp207, 0
|
|
%tmp209 = sub i64 %tmp190, %tmp207
|
|
br i1 %tmp13, label %bb210, label %bb211
|
|
|
|
bb210: ; preds = %bb205
|
|
unreachable
|
|
|
|
bb211: ; preds = %bb205
|
|
%tmp212 = trunc i64 %tmp209 to i32
|
|
%tmp213 = icmp slt i32 0, %tmp212
|
|
br i1 false, label %bb215, label %bb214
|
|
|
|
bb214: ; preds = %bb211
|
|
unreachable
|
|
|
|
bb215: ; preds = %bb211
|
|
%tmp216 = add i64 undef, %tmp208
|
|
%tmp217 = sub i64 %tmp209, undef
|
|
br i1 false, label %bb218, label %bb219
|
|
|
|
bb218: ; preds = %bb215
|
|
br label %bb219
|
|
|
|
bb219: ; preds = %bb218, %bb215
|
|
%tmp220 = trunc i64 %tmp217 to i32
|
|
br label %bb221
|
|
|
|
bb221: ; preds = %bb230, %bb219
|
|
%tmp222 = phi i64 [ %tmp231, %bb230 ], [ 0, %bb219 ]
|
|
%tmp223 = phi i32 [ %tmp232, %bb230 ], [ 0, %bb219 ]
|
|
%tmp224 = trunc i64 %tmp222 to i32
|
|
%tmp225 = icmp slt i32 %tmp224, %tmp220
|
|
br i1 %tmp225, label %bb226, label %bb234
|
|
|
|
bb226: ; preds = %bb221
|
|
%tmp227 = add i64 %tmp222, %tmp216
|
|
%tmp228 = getelementptr inbounds %struct.jim* @global3, i64 0, i32 3, i64 %tmp227
|
|
%tmp229 = load i8* %tmp228, align 1
|
|
br i1 false, label %bb233, label %bb230
|
|
|
|
bb230: ; preds = %bb226
|
|
%tmp231 = add i64 %tmp222, 1
|
|
%tmp232 = add nsw i32 %tmp223, 1
|
|
br i1 undef, label %bb234, label %bb221
|
|
|
|
bb233: ; preds = %bb226
|
|
br i1 undef, label %bb235, label %bb234
|
|
|
|
bb234: ; preds = %bb233, %bb230, %bb221
|
|
br label %bb247
|
|
|
|
bb235: ; preds = %bb233
|
|
%tmp236 = add nsw i32 %tmp223, 1
|
|
%tmp237 = sext i32 %tmp236 to i64
|
|
%tmp238 = sub i64 %tmp217, %tmp237
|
|
br i1 %tmp66, label %bb239, label %bb240
|
|
|
|
bb239: ; preds = %bb235
|
|
unreachable
|
|
|
|
bb240: ; preds = %bb235
|
|
switch i32 0, label %bb244 [
|
|
i32 0, label %bb241
|
|
i32 1, label %bb241
|
|
i32 4, label %bb241
|
|
i32 6, label %bb241
|
|
i32 9, label %bb241
|
|
]
|
|
|
|
bb241: ; preds = %bb240, %bb240, %bb240, %bb240, %bb240
|
|
%tmp242 = trunc i64 %tmp238 to i32
|
|
%tmp243 = icmp slt i32 0, %tmp242
|
|
br i1 false, label %bb246, label %bb245
|
|
|
|
bb244: ; preds = %bb240
|
|
unreachable
|
|
|
|
bb245: ; preds = %bb241
|
|
unreachable
|
|
|
|
bb246: ; preds = %bb241
|
|
unreachable
|
|
|
|
bb247: ; preds = %bb234, %bb144, %bb106, %bb71, %bb58
|
|
ret void
|
|
}
|
|
|
|
declare void @zot(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
|