llvm-for-llvmta/test/Analysis/MemorySSA/pr43044.ll

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2022-04-25 10:02:23 +02:00
; RUN: opt -loop-rotate -licm -enable-mssa-loop-dependency -verify-memoryssa %s -S | FileCheck %s
; REQUIRES: asserts
target datalayout = "E-m:e-i1:8:16-i8:8:16-i64:64-f128:64-v128:64-a:8:16-n32:64"
target triple = "s390x-ibm-linux"
declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture)
; CHECK-LABEL: @func_42()
define void @func_42() {
entry:
br label %for.cond1050
for.cond1050.loopexit: ; preds = %for.cond1373
br label %for.cond1050
for.cond1050: ; preds = %for.cond1050.loopexit, %entry
%storemerge6 = phi i32 [ 2, %entry ], [ 0, %for.cond1050.loopexit ]
%cmp1051 = icmp sgt i32 %storemerge6, -1
br i1 %cmp1051, label %for.cond1055.preheader, label %cleanup1400.loopexit1
for.cond1055.preheader: ; preds = %for.cond1050
store i64 0, i64* null, align 8
%0 = load i64, i64* null, align 8
%tobool1383 = icmp eq i64 %0, 0
br i1 %tobool1383, label %for.cond1055.preheader.cleanup1400.loopexit.split_crit_edge, label %for.cond1055.preheader.for.cond1055.preheader.split_crit_edge
for.cond1055.preheader.for.cond1055.preheader.split_crit_edge: ; preds = %for.cond1055.preheader
br label %for.body1376
for.cond1055.preheader.cleanup1400.loopexit.split_crit_edge: ; preds = %for.cond1055.preheader
br label %cleanup1400.loopexit.split
for.cond1373: ; preds = %for.body1376
br i1 true, label %for.body1376, label %for.cond1050.loopexit
for.body1376: ; preds = %for.cond1373, %for.cond1055.preheader.for.cond1055.preheader.split_crit_edge
br i1 false, label %cleanup1400.loopexit, label %for.cond1373
cleanup1400.loopexit: ; preds = %for.body1376
br label %cleanup1400.loopexit.split
cleanup1400.loopexit.split: ; preds = %cleanup1400.loopexit, %for.cond1055.preheader.cleanup1400.loopexit.split_crit_edge
br label %cleanup1400
cleanup1400.loopexit1: ; preds = %for.cond1050
br label %cleanup1400
cleanup1400: ; preds = %cleanup1400.loopexit1, %cleanup1400.loopexit.split
call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull undef)
unreachable
}