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185 lines
7.2 KiB
185 lines
7.2 KiB
; RUN: llc -mtriple=aarch64-linux-gnu -o - %s
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; Regression test for a crash in the ShrinkWrap pass not handling targets
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; requiring a register scavenger.
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%type1 = type { i32, i32, i32 }
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@g1 = external unnamed_addr global i32, align 4
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@g2 = external unnamed_addr global i1
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@g3 = external unnamed_addr global [144 x i32], align 4
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@g4 = external unnamed_addr constant [144 x i32], align 4
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@g5 = external unnamed_addr constant [144 x i32], align 4
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@g6 = external unnamed_addr constant [144 x i32], align 4
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@g7 = external unnamed_addr constant [144 x i32], align 4
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@g8 = external unnamed_addr constant [144 x i32], align 4
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@g9 = external unnamed_addr constant [144 x i32], align 4
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@g10 = external unnamed_addr constant [144 x i32], align 4
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@g11 = external unnamed_addr global i32, align 4
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@g12 = external unnamed_addr global [144 x [144 x i8]], align 1
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@g13 = external unnamed_addr global %type1*, align 8
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@g14 = external unnamed_addr global [144 x [144 x i8]], align 1
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@g15 = external unnamed_addr global [144 x [144 x i8]], align 1
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@g16 = external unnamed_addr global [144 x [144 x i8]], align 1
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@g17 = external unnamed_addr global [62 x i32], align 4
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@g18 = external unnamed_addr global i32, align 4
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@g19 = external unnamed_addr constant [144 x i32], align 4
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@g20 = external unnamed_addr global [144 x [144 x i8]], align 1
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@g21 = external unnamed_addr global i32, align 4
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declare fastcc i32 @foo()
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declare fastcc i32 @bar()
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define internal fastcc i32 @func(i32 %alpha, i32 %beta) {
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entry:
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%v1 = alloca [2 x [11 x i32]], align 4
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%v2 = alloca [11 x i32], align 16
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%v3 = alloca [11 x i32], align 16
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switch i32 undef, label %if.end.9 [
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i32 4, label %if.then.6
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i32 3, label %if.then.2
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]
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if.then.2:
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%call3 = tail call fastcc i32 @bar()
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br label %cleanup
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if.then.6:
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%call7 = tail call fastcc i32 @foo()
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unreachable
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if.end.9:
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%tmp = load i32, i32* @g1, align 4
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%rem.i = urem i32 %tmp, 1000000
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%idxprom.1.i = zext i32 %rem.i to i64
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%tmp1 = load %type1*, %type1** @g13, align 8
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%v4 = getelementptr inbounds %type1, %type1* %tmp1, i64 %idxprom.1.i, i32 0
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%.b = load i1, i1* @g2, align 1
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%v5 = select i1 %.b, i32 2, i32 0
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%tmp2 = load i32, i32* @g18, align 4
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%tmp3 = load i32, i32* @g11, align 4
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%idxprom58 = sext i32 %tmp3 to i64
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%tmp4 = load i32, i32* @g21, align 4
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%idxprom69 = sext i32 %tmp4 to i64
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br label %for.body
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for.body:
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%v6 = phi i32 [ 0, %if.end.9 ], [ %v7, %for.inc ]
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%a.0983 = phi i32 [ 1, %if.end.9 ], [ %a.1, %for.inc ]
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%arrayidx = getelementptr inbounds [62 x i32], [62 x i32]* @g17, i64 0, i64 undef
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%tmp5 = load i32, i32* %arrayidx, align 4
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br i1 undef, label %for.inc, label %if.else.51
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if.else.51:
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%idxprom53 = sext i32 %tmp5 to i64
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%arrayidx54 = getelementptr inbounds [144 x i32], [144 x i32]* @g3, i64 0, i64 %idxprom53
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%tmp6 = load i32, i32* %arrayidx54, align 4
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switch i32 %tmp6, label %for.inc [
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i32 1, label %block.bb
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i32 10, label %block.bb.159
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i32 7, label %block.bb.75
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i32 8, label %block.bb.87
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i32 9, label %block.bb.147
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i32 12, label %block.bb.111
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i32 3, label %block.bb.123
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i32 4, label %block.bb.135
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]
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block.bb:
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%arrayidx56 = getelementptr inbounds [144 x i32], [144 x i32]* @g6, i64 0, i64 %idxprom53
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%tmp7 = load i32, i32* %arrayidx56, align 4
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%shr = ashr i32 %tmp7, %v5
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%add57 = add nsw i32 %shr, 0
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%arrayidx61 = getelementptr inbounds [144 x [144 x i8]], [144 x [144 x i8]]* @g14, i64 0, i64 %idxprom53, i64 %idxprom58
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%tmp8 = load i8, i8* %arrayidx61, align 1
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%conv = zext i8 %tmp8 to i32
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%add62 = add nsw i32 %conv, %add57
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br label %for.inc
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block.bb.75:
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%arrayidx78 = getelementptr inbounds [144 x i32], [144 x i32]* @g10, i64 0, i64 %idxprom53
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%tmp9 = load i32, i32* %arrayidx78, align 4
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%shr79 = ashr i32 %tmp9, %v5
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%add80 = add nsw i32 %shr79, 0
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%add86 = add nsw i32 0, %add80
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br label %for.inc
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block.bb.87:
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%arrayidx90 = getelementptr inbounds [144 x i32], [144 x i32]* @g9, i64 0, i64 %idxprom53
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%tmp10 = load i32, i32* %arrayidx90, align 4
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%shr91 = ashr i32 %tmp10, 0
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%sub92 = sub nsw i32 0, %shr91
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%arrayidx96 = getelementptr inbounds [144 x [144 x i8]], [144 x [144 x i8]]* @g15, i64 0, i64 %idxprom53, i64 %idxprom69
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%tmp11 = load i8, i8* %arrayidx96, align 1
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%conv97 = zext i8 %tmp11 to i32
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%sub98 = sub nsw i32 %sub92, %conv97
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br label %for.inc
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block.bb.111:
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%arrayidx114 = getelementptr inbounds [144 x i32], [144 x i32]* @g19, i64 0, i64 %idxprom53
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%tmp12 = load i32, i32* %arrayidx114, align 4
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%shr115 = ashr i32 %tmp12, 0
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%sub116 = sub nsw i32 0, %shr115
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%arrayidx120 = getelementptr inbounds [144 x [144 x i8]], [144 x [144 x i8]]* @g12, i64 0, i64 %idxprom53, i64 %idxprom69
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%tmp13 = load i8, i8* %arrayidx120, align 1
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%conv121 = zext i8 %tmp13 to i32
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%sub122 = sub nsw i32 %sub116, %conv121
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br label %for.inc
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block.bb.123:
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%arrayidx126 = getelementptr inbounds [144 x i32], [144 x i32]* @g5, i64 0, i64 %idxprom53
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%tmp14 = load i32, i32* %arrayidx126, align 4
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%shr127 = ashr i32 %tmp14, %v5
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%add128 = add nsw i32 %shr127, 0
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%add134 = add nsw i32 0, %add128
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br label %for.inc
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block.bb.135:
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%arrayidx138 = getelementptr inbounds [144 x i32], [144 x i32]* @g4, i64 0, i64 %idxprom53
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%tmp15 = load i32, i32* %arrayidx138, align 4
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%shr139 = ashr i32 %tmp15, 0
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%sub140 = sub nsw i32 0, %shr139
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%arrayidx144 = getelementptr inbounds [144 x [144 x i8]], [144 x [144 x i8]]* @g20, i64 0, i64 %idxprom53, i64 %idxprom69
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%tmp16 = load i8, i8* %arrayidx144, align 1
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%conv145 = zext i8 %tmp16 to i32
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%sub146 = sub nsw i32 %sub140, %conv145
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br label %for.inc
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block.bb.147:
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%arrayidx150 = getelementptr inbounds [144 x i32], [144 x i32]* @g8, i64 0, i64 %idxprom53
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%tmp17 = load i32, i32* %arrayidx150, align 4
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%shr151 = ashr i32 %tmp17, %v5
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%add152 = add nsw i32 %shr151, 0
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%arrayidx156 = getelementptr inbounds [144 x [144 x i8]], [144 x [144 x i8]]* @g16, i64 0, i64 %idxprom53, i64 %idxprom58
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%tmp18 = load i8, i8* %arrayidx156, align 1
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%conv157 = zext i8 %tmp18 to i32
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%add158 = add nsw i32 %conv157, %add152
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br label %for.inc
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block.bb.159:
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%sub160 = add nsw i32 %v6, -450
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%arrayidx162 = getelementptr inbounds [144 x i32], [144 x i32]* @g7, i64 0, i64 %idxprom53
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%tmp19 = load i32, i32* %arrayidx162, align 4
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%shr163 = ashr i32 %tmp19, 0
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%sub164 = sub nsw i32 %sub160, %shr163
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%sub170 = sub nsw i32 %sub164, 0
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br label %for.inc
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for.inc:
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%v7 = phi i32 [ %v6, %for.body ], [ %v6, %if.else.51 ], [ %sub170, %block.bb.159 ], [ %add158, %block.bb.147 ], [ %sub146, %block.bb.135 ], [ %add134, %block.bb.123 ], [ %sub122, %block.bb.111 ], [ %sub98, %block.bb.87 ], [ %add86, %block.bb.75 ], [ %add62, %block.bb ]
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%a.1 = phi i32 [ %a.0983, %for.body ], [ undef, %if.else.51 ], [ undef, %block.bb.159 ], [ undef, %block.bb.147 ], [ undef, %block.bb.135 ], [ undef, %block.bb.123 ], [ undef, %block.bb.111 ], [ undef, %block.bb.87 ], [ undef, %block.bb.75 ], [ undef, %block.bb ]
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%cmp48 = icmp sgt i32 %a.1, %tmp2
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br i1 %cmp48, label %for.end, label %for.body
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for.end:
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store i32 %tmp, i32* %v4, align 4
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%hold_hash.i.7 = getelementptr inbounds %type1, %type1* %tmp1, i64 %idxprom.1.i, i32 1
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store i32 0, i32* %hold_hash.i.7, align 4
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br label %cleanup
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cleanup:
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%retval.0 = phi i32 [ %call3, %if.then.2 ], [ undef, %for.end ]
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ret i32 %retval.0
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}
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