59 lines
1.9 KiB
LLVM
59 lines
1.9 KiB
LLVM
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; RUN: opt -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 = "systemz-unknown"
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@g_3 = external dso_local local_unnamed_addr global i32, align 4
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@g_57 = external dso_local local_unnamed_addr global i8, align 2
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@g_82 = external dso_local global [8 x i16], align 2
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@g_107 = external dso_local local_unnamed_addr global i32, align 4
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define internal fastcc void @foo1() unnamed_addr{
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; CHECK-LABEL: @foo1()
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entry:
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%.pre.pre = load i32, i32* @g_3, align 4
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br label %loop1
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loop1:
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%tmp0 = phi i32 [ undef, %entry ], [ %var18.lcssa, %loopexit ]
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br label %preheader
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preheader:
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%indvars.iv = phi i64 [ 0, %loop1 ], [ %indvars.iv.next, %loop6 ]
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%phi18 = phi i32 [ %tmp0, %loop1 ], [ 0, %loop6 ]
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%phi87 = phi i32 [ 0, %loop1 ], [ %tmp7, %loop6 ]
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%tmp1 = getelementptr inbounds [8 x i16], [8 x i16]* @g_82, i64 0, i64 %indvars.iv
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%tmp2 = load i16, i16* %tmp1, align 2
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%tmp3 = trunc i16 %tmp2 to i8
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store i8 %tmp3, i8* @g_57, align 2
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store i32 8, i32* @g_107, align 4
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%tmp4 = icmp eq i32 %.pre.pre, 0
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%spec.select = select i1 %tmp4, i32 %phi18, i32 14
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%tmp5 = trunc i64 %indvars.iv to i32
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switch i32 %spec.select, label %loopexit [
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i32 0, label %loop6
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i32 14, label %loop9
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]
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loop6:
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%tmp7 = add nuw nsw i32 %phi87, 1
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%tmp8 = icmp ult i64 %indvars.iv.next, 6
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br i1 %tmp8, label %preheader, label %loop9
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loop9:
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%phi8.lcssa = phi i32 [ %tmp5, %preheader ], [ %tmp7, %loop6 ]
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%tmp10 = trunc i32 %phi8.lcssa to i8
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%tmp11 = tail call i16* @func_101(i16* getelementptr inbounds ([8 x i16], [8 x i16]* @g_82, i64 0, i64 6), i16* undef, i8 zeroext %tmp10)
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unreachable
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loopexit:
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%var18.lcssa = phi i32 [ %phi18, %preheader ]
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br label %loop1
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}
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declare dso_local i16* @func_101(i16*, i16*, i8) local_unnamed_addr
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