forked from OSchip/llvm-project
53 lines
2.2 KiB
LLVM
53 lines
2.2 KiB
LLVM
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; RUN: opt -loop-rotate -licm -enable-mssa-loop-dependency -verify-memoryssa %s -S | FileCheck %s
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; REQUIRES: asserts
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target datalayout = "E-m:e-i1:8:16-i8:8:16-i64:64-f128:64-v128:64-a:8:16-n32:64"
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target triple = "s390x-ibm-linux"
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declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture)
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; CHECK-LABEL: @func_42()
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define void @func_42() {
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entry:
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br label %for.cond1050
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for.cond1050.loopexit: ; preds = %for.cond1373
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br label %for.cond1050
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for.cond1050: ; preds = %for.cond1050.loopexit, %entry
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%storemerge6 = phi i32 [ 2, %entry ], [ 0, %for.cond1050.loopexit ]
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%cmp1051 = icmp sgt i32 %storemerge6, -1
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br i1 %cmp1051, label %for.cond1055.preheader, label %cleanup1400.loopexit1
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for.cond1055.preheader: ; preds = %for.cond1050
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store i64 0, i64* null, align 8
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%0 = load i64, i64* null, align 8
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%tobool1383 = icmp eq i64 %0, 0
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br i1 %tobool1383, label %for.cond1055.preheader.cleanup1400.loopexit.split_crit_edge, label %for.cond1055.preheader.for.cond1055.preheader.split_crit_edge
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for.cond1055.preheader.for.cond1055.preheader.split_crit_edge: ; preds = %for.cond1055.preheader
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br label %for.body1376
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for.cond1055.preheader.cleanup1400.loopexit.split_crit_edge: ; preds = %for.cond1055.preheader
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br label %cleanup1400.loopexit.split
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for.cond1373: ; preds = %for.body1376
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br i1 true, label %for.body1376, label %for.cond1050.loopexit
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for.body1376: ; preds = %for.cond1373, %for.cond1055.preheader.for.cond1055.preheader.split_crit_edge
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br i1 false, label %cleanup1400.loopexit, label %for.cond1373
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cleanup1400.loopexit: ; preds = %for.body1376
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br label %cleanup1400.loopexit.split
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cleanup1400.loopexit.split: ; preds = %cleanup1400.loopexit, %for.cond1055.preheader.cleanup1400.loopexit.split_crit_edge
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br label %cleanup1400
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cleanup1400.loopexit1: ; preds = %for.cond1050
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br label %cleanup1400
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cleanup1400: ; preds = %cleanup1400.loopexit1, %cleanup1400.loopexit.split
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call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull undef)
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unreachable
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}
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