1 ; RUN: opt < %s -gvn | llvm-dis 2 ; PR3358 3 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128" 4 target triple = "x86_64-unknown-linux-gnu" 5 %struct.re_pattern_buffer = type { i8*, i64, i64, i64, i8*, i8*, i64, i8 } 6 %struct.re_registers = type { i32, i32*, i32* } 7 8 define fastcc i32 @byte_re_match_2_internal(%struct.re_pattern_buffer* nocapture %bufp, i8* %string1, i32 %size1, i8* %string2, i32 %size2, i32 %pos, %struct.re_registers* %regs, i32 %stop) nounwind { 9 entry: 10 br label %bb159 11 12 succeed_label: ; preds = %bb159 13 ret i32 0 14 15 bb159: ; preds = %bb664, %bb554, %bb159, %bb159, %bb159, %entry 16 %d.0 = phi i8* [ null, %entry ], [ %d.0, %bb159 ], [ %d.0, %bb554 ], [ %d.0, %bb159 ], [ %d.0, %bb159 ], [ %d.12, %bb664 ] ; <i8*> [#uses=5] 17 switch i32 0, label %bb661 [ 18 i32 0, label %bb159 19 i32 1, label %succeed_label 20 i32 13, label %bb159 21 i32 14, label %bb159 22 i32 16, label %bb411 23 i32 24, label %bb622 24 i32 28, label %bb543 25 ] 26 27 bb411: ; preds = %bb411, %bb159 28 br label %bb411 29 30 bb543: ; preds = %bb159 31 br i1 false, label %bb549, label %bb550 32 33 bb549: ; preds = %bb543 34 br label %bb554 35 36 bb550: ; preds = %bb543 37 br i1 false, label %bb554, label %bb552 38 39 bb552: ; preds = %bb550 40 %0 = load i8* %d.0, align 8 ; <i8> [#uses=0] 41 br label %bb554 42 43 bb554: ; preds = %bb552, %bb550, %bb549 44 br i1 false, label %bb159, label %bb661 45 46 bb622: ; preds = %bb622, %bb159 47 br label %bb622 48 49 bb661: ; preds = %bb554, %bb159 50 %d.12 = select i1 false, i8* null, i8* null ; <i8*> [#uses=1] 51 br label %bb664 52 53 bb664: ; preds = %bb664, %bb661 54 br i1 false, label %bb159, label %bb664 55 } 56
