1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s > %t 2*9880d681SAndroid Build Coastguard Worker; PR6300 3*9880d681SAndroid Build Coastguard Workertarget 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-n8:16:32" 4*9880d681SAndroid Build Coastguard Workertarget triple = "i386-pc-linux-gnu" 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Worker; When the "154" loops back onto itself, it defines a register after using it. 7*9880d681SAndroid Build Coastguard Worker; The first value of the register is implicit-def. 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Worker%"struct location_chain_def" = type { %"struct location_chain_def"*, %"struct rtx_def"*, %"struct rtx_def"*, i32 } 10*9880d681SAndroid Build Coastguard Worker%"struct real_value" = type { i32, [5 x i32] } 11*9880d681SAndroid Build Coastguard Worker%"struct rtx_def" = type { i16, i8, i8, %"union u" } 12*9880d681SAndroid Build Coastguard Worker%"union u" = type { %"struct real_value" } 13*9880d681SAndroid Build Coastguard Worker 14*9880d681SAndroid Build Coastguard Workerdefine i32 @variable_union(i8** nocapture %slot, i8* nocapture %data) nounwind { 15*9880d681SAndroid Build Coastguard Workerentry: 16*9880d681SAndroid Build Coastguard Worker br i1 undef, label %"4.thread", label %"3" 17*9880d681SAndroid Build Coastguard Worker 18*9880d681SAndroid Build Coastguard Worker"4.thread": ; preds = %entry 19*9880d681SAndroid Build Coastguard Worker unreachable 20*9880d681SAndroid Build Coastguard Worker 21*9880d681SAndroid Build Coastguard Worker"3": ; preds = %entry 22*9880d681SAndroid Build Coastguard Worker br i1 undef, label %"19", label %"20" 23*9880d681SAndroid Build Coastguard Worker 24*9880d681SAndroid Build Coastguard Worker"19": ; preds = %"3" 25*9880d681SAndroid Build Coastguard Worker unreachable 26*9880d681SAndroid Build Coastguard Worker 27*9880d681SAndroid Build Coastguard Worker"20": ; preds = %"3" 28*9880d681SAndroid Build Coastguard Worker br i1 undef, label %"56.preheader", label %dv_onepart_p.exit 29*9880d681SAndroid Build Coastguard Worker 30*9880d681SAndroid Build Coastguard Workerdv_onepart_p.exit: ; preds = %"20" 31*9880d681SAndroid Build Coastguard Worker unreachable 32*9880d681SAndroid Build Coastguard Worker 33*9880d681SAndroid Build Coastguard Worker"56.preheader": ; preds = %"20" 34*9880d681SAndroid Build Coastguard Worker br label %"56" 35*9880d681SAndroid Build Coastguard Worker 36*9880d681SAndroid Build Coastguard Worker"50": ; preds = %"57" 37*9880d681SAndroid Build Coastguard Worker br label %"56" 38*9880d681SAndroid Build Coastguard Worker 39*9880d681SAndroid Build Coastguard Worker"56": ; preds = %"50", %"56.preheader" 40*9880d681SAndroid Build Coastguard Worker br i1 undef, label %"57", label %"58" 41*9880d681SAndroid Build Coastguard Worker 42*9880d681SAndroid Build Coastguard Worker"57": ; preds = %"56" 43*9880d681SAndroid Build Coastguard Worker br i1 undef, label %"50", label %"58" 44*9880d681SAndroid Build Coastguard Worker 45*9880d681SAndroid Build Coastguard Worker"58": ; preds = %"57", %"56" 46*9880d681SAndroid Build Coastguard Worker br i1 undef, label %"62", label %"63" 47*9880d681SAndroid Build Coastguard Worker 48*9880d681SAndroid Build Coastguard Worker"62": ; preds = %"58" 49*9880d681SAndroid Build Coastguard Worker unreachable 50*9880d681SAndroid Build Coastguard Worker 51*9880d681SAndroid Build Coastguard Worker"63": ; preds = %"58" 52*9880d681SAndroid Build Coastguard Worker br i1 undef, label %"67", label %"66" 53*9880d681SAndroid Build Coastguard Worker 54*9880d681SAndroid Build Coastguard Worker"66": ; preds = %"63" 55*9880d681SAndroid Build Coastguard Worker br label %"67" 56*9880d681SAndroid Build Coastguard Worker 57*9880d681SAndroid Build Coastguard Worker"67": ; preds = %"66", %"63" 58*9880d681SAndroid Build Coastguard Worker br label %"68" 59*9880d681SAndroid Build Coastguard Worker 60*9880d681SAndroid Build Coastguard Worker"68": ; preds = %"161", %"67" 61*9880d681SAndroid Build Coastguard Worker br i1 undef, label %"153", label %"161" 62*9880d681SAndroid Build Coastguard Worker 63*9880d681SAndroid Build Coastguard Worker"153": ; preds = %"68" 64*9880d681SAndroid Build Coastguard Worker br i1 undef, label %"160", label %bb.nph46 65*9880d681SAndroid Build Coastguard Worker 66*9880d681SAndroid Build Coastguard Workerbb.nph46: ; preds = %"153" 67*9880d681SAndroid Build Coastguard Worker br label %"154" 68*9880d681SAndroid Build Coastguard Worker 69*9880d681SAndroid Build Coastguard Worker"154": ; preds = %"154", %bb.nph46 70*9880d681SAndroid Build Coastguard Worker %0 = phi %"struct location_chain_def"** [ undef, %bb.nph46 ], [ %1, %"154" ] ; <%"struct location_chain_def"**> [#uses=1] 71*9880d681SAndroid Build Coastguard Worker %1 = bitcast i8* undef to %"struct location_chain_def"** ; <%"struct location_chain_def"**> [#uses=1] 72*9880d681SAndroid Build Coastguard Worker store %"struct location_chain_def"* undef, %"struct location_chain_def"** %0, align 4 73*9880d681SAndroid Build Coastguard Worker br i1 undef, label %"160", label %"154" 74*9880d681SAndroid Build Coastguard Worker 75*9880d681SAndroid Build Coastguard Worker"160": ; preds = %"154", %"153" 76*9880d681SAndroid Build Coastguard Worker br label %"161" 77*9880d681SAndroid Build Coastguard Worker 78*9880d681SAndroid Build Coastguard Worker"161": ; preds = %"160", %"68" 79*9880d681SAndroid Build Coastguard Worker br label %"68" 80*9880d681SAndroid Build Coastguard Worker} 81