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68 lines
2.0 KiB
LLVM
68 lines
2.0 KiB
LLVM
; RUN: opt < %s -gvn | llvm-dis
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; PR4256
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32"
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target triple = "i386-pc-linux-gnu"
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%llvm.dbg.anchor.type = type { i32, i32 }
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%struct.cset = type { i8*, i8, i8, i32, i8* }
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%struct.lmat = type { %struct.re_guts*, i32, %llvm.dbg.anchor.type*, i8*, i8*, i8*, i8*, i8**, i32, i8*, i8*, i8*, i8*, i8* }
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%struct.re_guts = type { i32*, %struct.cset*, i8*, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i8*, i8*, i32, i32, i32, i32, [1 x i8] }
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define i8* @lbackref(%struct.lmat* %m, i8* %start, i8* %stop, i32 %startst, i32 %stopst, i32 %lev, i32 %rec) nounwind {
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entry:
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br label %bb63
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bb: ; preds = %bb63
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switch i32 0, label %bb62 [
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i32 268435456, label %bb2
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i32 805306368, label %bb9
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i32 -1610612736, label %bb51
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]
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bb2: ; preds = %bb
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br label %bb62
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bb9: ; preds = %bb
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%0 = load i8* %sp.1, align 1 ; <i8> [#uses=0]
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br label %bb62
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bb51: ; preds = %bb
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%1 = load i8* %sp.1, align 1 ; <i8> [#uses=0]
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ret i8* null
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bb62: ; preds = %bb9, %bb2, %bb
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br label %bb63
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bb63: ; preds = %bb84, %bb69, %bb62, %entry
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%sp.1 = phi i8* [ null, %bb62 ], [ %sp.1.lcssa, %bb84 ], [ %start, %entry ], [ %sp.1.lcssa, %bb69 ] ; <i8*> [#uses=3]
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br i1 false, label %bb, label %bb65
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bb65: ; preds = %bb63
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%sp.1.lcssa = phi i8* [ %sp.1, %bb63 ] ; <i8*> [#uses=4]
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br i1 false, label %bb66, label %bb69
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bb66: ; preds = %bb65
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ret i8* null
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bb69: ; preds = %bb65
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switch i32 0, label %bb108.loopexit2.loopexit.loopexit [
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i32 1342177280, label %bb63
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i32 1476395008, label %bb84
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i32 1879048192, label %bb104
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i32 2013265920, label %bb93
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]
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bb84: ; preds = %bb69
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%2 = tail call i8* @lbackref(%struct.lmat* %m, i8* %sp.1.lcssa, i8* %stop, i32 0, i32 %stopst, i32 0, i32 0) nounwind ; <i8*> [#uses=0]
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br label %bb63
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bb93: ; preds = %bb69
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ret i8* null
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bb104: ; preds = %bb69
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%sp.1.lcssa.lcssa33 = phi i8* [ %sp.1.lcssa, %bb69 ] ; <i8*> [#uses=0]
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unreachable
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bb108.loopexit2.loopexit.loopexit: ; preds = %bb69
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ret i8* null
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}
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