pr40754.ll
2.02 KB
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; RUN: opt -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 = "systemz-unknown"
@g_120 = external dso_local local_unnamed_addr global [8 x [4 x [6 x i32]]], align 4
@g_185 = external dso_local local_unnamed_addr global i32, align 4
@g_329 = external dso_local local_unnamed_addr global i16, align 2
; Function Attrs: norecurse noreturn nounwind
define dso_local void @func_65() local_unnamed_addr {
; CHECK-LABEL: @func_65()
label0:
br label %label1
label1: ; preds = %.thread, %label0
br label %label2
label2: ; preds = %.critedge, %label1
br label %label3
label3: ; preds = %label5, %label2
%storemerge = phi i32 [ 0, %label2 ], [ %tmp6, %label5 ]
store i32 %storemerge, i32* @g_185, align 4
%tmp4 = icmp ult i32 %storemerge, 2
br i1 %tmp4, label %label5, label %.thread.loopexit
label5: ; preds = %label3
%tmp6 = add i32 %storemerge, 1
%tmp7 = zext i32 %tmp6 to i64
%tmp8 = getelementptr [8 x [4 x [6 x i32]]], [8 x [4 x [6 x i32]]]* @g_120, i64 0, i64 undef, i64 %tmp7, i64 undef
%tmp9 = load i32, i32* %tmp8, align 4
%tmp10 = icmp eq i32 %tmp9, 0
br i1 %tmp10, label %label3, label %label11
label11: ; preds = %label5
%storemerge.lcssa4 = phi i32 [ %storemerge, %label5 ]
%tmp12 = icmp eq i32 %storemerge.lcssa4, 0
br i1 %tmp12, label %.critedge, label %.thread.loopexit3
.critedge: ; preds = %label11
store i16 0, i16* @g_329, align 2
br label %label2
.thread.loopexit: ; preds = %label3
br label %.thread
.thread.loopexit3: ; preds = %label11
br label %.thread
.thread: ; preds = %.thread.loopexit3, %.thread.loopexit
br label %label1
}