1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s 2*9880d681SAndroid Build Coastguard Worker; PR6777 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Worker; MachineSink shouldn't try to sink code in unreachable blocks, as it's 5*9880d681SAndroid Build Coastguard Worker; not worthwhile, and there are corner cases which it doesn't handle. 6*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard Workertarget 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" 8*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-unknown-linux-gnu" 9*9880d681SAndroid Build Coastguard Worker 10*9880d681SAndroid Build Coastguard Workerdefine double @fn1(i8* %arg, i64 %arg1) { 11*9880d681SAndroid Build Coastguard WorkerEntry: 12*9880d681SAndroid Build Coastguard Worker br i1 undef, label %Body, label %Exit 13*9880d681SAndroid Build Coastguard Worker 14*9880d681SAndroid Build Coastguard WorkerExit: ; preds = %Brancher7, %Entry 15*9880d681SAndroid Build Coastguard Worker ret double undef 16*9880d681SAndroid Build Coastguard Worker 17*9880d681SAndroid Build Coastguard WorkerBody: ; preds = %Entry 18*9880d681SAndroid Build Coastguard Worker br i1 false, label %Brancher7, label %Body3 19*9880d681SAndroid Build Coastguard Worker 20*9880d681SAndroid Build Coastguard WorkerBody3: ; preds = %Body6, %Body3, %Body 21*9880d681SAndroid Build Coastguard Worker br label %Body3 22*9880d681SAndroid Build Coastguard Worker 23*9880d681SAndroid Build Coastguard WorkerBody6: ; preds = %Brancher7 24*9880d681SAndroid Build Coastguard Worker %tmp = fcmp oeq double 0xC04FBB2E40000000, undef ; <i1> [#uses=1] 25*9880d681SAndroid Build Coastguard Worker br i1 %tmp, label %Body3, label %Brancher7 26*9880d681SAndroid Build Coastguard Worker 27*9880d681SAndroid Build Coastguard WorkerBrancher7: ; preds = %Body6, %Body 28*9880d681SAndroid Build Coastguard Worker %tmp2 = icmp ult i32 undef, 10 ; <i1> [#uses=1] 29*9880d681SAndroid Build Coastguard Worker br i1 %tmp2, label %Body6, label %Exit 30*9880d681SAndroid Build Coastguard Worker} 31