llvm-project/llvm/test/Analysis/MemorySSA/pr40754.ll

55 lines
1.9 KiB
LLVM

; 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()
br label %1
; <label>:1: ; preds = %.thread, %0
br label %2
; <label>:2: ; preds = %.critedge, %1
br label %3
; <label>:3: ; preds = %5, %2
%storemerge = phi i32 [ 0, %2 ], [ %6, %5 ]
store i32 %storemerge, i32* @g_185, align 4
%4 = icmp ult i32 %storemerge, 2
br i1 %4, label %5, label %.thread.loopexit
; <label>:5: ; preds = %3
%6 = add i32 %storemerge, 1
%7 = zext i32 %6 to i64
%8 = getelementptr [8 x [4 x [6 x i32]]], [8 x [4 x [6 x i32]]]* @g_120, i64 0, i64 undef, i64 %7, i64 undef
%9 = load i32, i32* %8, align 4
%10 = icmp eq i32 %9, 0
br i1 %10, label %3, label %11
; <label>:11: ; preds = %5
%storemerge.lcssa4 = phi i32 [ %storemerge, %5 ]
%12 = icmp eq i32 %storemerge.lcssa4, 0
br i1 %12, label %.critedge, label %.thread.loopexit3
.critedge: ; preds = %11
store i16 0, i16* @g_329, align 2
br label %2
.thread.loopexit: ; preds = %3
br label %.thread
.thread.loopexit3: ; preds = %11
br label %.thread
.thread: ; preds = %.thread.loopexit3, %.thread.loopexit
br label %1
}