1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -basicaa -gvn -S | FileCheck %s 2*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-n8:16:32:64" 3*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-apple-macosx10.7.0" 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Worker; rdar://12801584 6*9880d681SAndroid Build Coastguard Worker; Value of %shouldExit can be changed by RunInMode. 7*9880d681SAndroid Build Coastguard Worker; Make sure we do not replace load %shouldExit in while.cond.backedge 8*9880d681SAndroid Build Coastguard Worker; with a phi node where the value from while.body is 0. 9*9880d681SAndroid Build Coastguard Workerdefine i32 @test() nounwind ssp { 10*9880d681SAndroid Build Coastguard Workerentry: 11*9880d681SAndroid Build Coastguard Worker; CHECK: test() 12*9880d681SAndroid Build Coastguard Worker; CHECK: while.body: 13*9880d681SAndroid Build Coastguard Worker; CHECK: call void @RunInMode 14*9880d681SAndroid Build Coastguard Worker; CHECK: br i1 %tobool, label %while.cond.backedge, label %if.then 15*9880d681SAndroid Build Coastguard Worker; CHECK: while.cond.backedge: 16*9880d681SAndroid Build Coastguard Worker; CHECK: load i32, i32* %shouldExit 17*9880d681SAndroid Build Coastguard Worker; CHECK: br i1 %cmp, label %while.body 18*9880d681SAndroid Build Coastguard Worker %shouldExit = alloca i32, align 4 19*9880d681SAndroid Build Coastguard Worker %tasksIdle = alloca i32, align 4 20*9880d681SAndroid Build Coastguard Worker store i32 0, i32* %shouldExit, align 4 21*9880d681SAndroid Build Coastguard Worker store i32 0, i32* %tasksIdle, align 4 22*9880d681SAndroid Build Coastguard Worker call void @CTestInitialize(i32* %tasksIdle) nounwind 23*9880d681SAndroid Build Coastguard Worker %0 = load i32, i32* %shouldExit, align 4 24*9880d681SAndroid Build Coastguard Worker %cmp1 = icmp eq i32 %0, 0 25*9880d681SAndroid Build Coastguard Worker br i1 %cmp1, label %while.body.lr.ph, label %while.end 26*9880d681SAndroid Build Coastguard Worker 27*9880d681SAndroid Build Coastguard Workerwhile.body.lr.ph: 28*9880d681SAndroid Build Coastguard Worker br label %while.body 29*9880d681SAndroid Build Coastguard Worker 30*9880d681SAndroid Build Coastguard Workerwhile.body: 31*9880d681SAndroid Build Coastguard Worker call void @RunInMode(i32 100) nounwind 32*9880d681SAndroid Build Coastguard Worker %1 = load i32, i32* %tasksIdle, align 4 33*9880d681SAndroid Build Coastguard Worker %tobool = icmp eq i32 %1, 0 34*9880d681SAndroid Build Coastguard Worker br i1 %tobool, label %while.cond.backedge, label %if.then 35*9880d681SAndroid Build Coastguard Worker 36*9880d681SAndroid Build Coastguard Workerif.then: 37*9880d681SAndroid Build Coastguard Worker store i32 0, i32* %tasksIdle, align 4 38*9880d681SAndroid Build Coastguard Worker call void @TimerCreate(i32* %shouldExit) nounwind 39*9880d681SAndroid Build Coastguard Worker br label %while.cond.backedge 40*9880d681SAndroid Build Coastguard Worker 41*9880d681SAndroid Build Coastguard Workerwhile.cond.backedge: 42*9880d681SAndroid Build Coastguard Worker %2 = load i32, i32* %shouldExit, align 4 43*9880d681SAndroid Build Coastguard Worker %cmp = icmp eq i32 %2, 0 44*9880d681SAndroid Build Coastguard Worker br i1 %cmp, label %while.body, label %while.cond.while.end_crit_edge 45*9880d681SAndroid Build Coastguard Worker 46*9880d681SAndroid Build Coastguard Workerwhile.cond.while.end_crit_edge: 47*9880d681SAndroid Build Coastguard Worker br label %while.end 48*9880d681SAndroid Build Coastguard Worker 49*9880d681SAndroid Build Coastguard Workerwhile.end: 50*9880d681SAndroid Build Coastguard Worker ret i32 0 51*9880d681SAndroid Build Coastguard Worker} 52*9880d681SAndroid Build Coastguard Workerdeclare void @CTestInitialize(i32*) 53*9880d681SAndroid Build Coastguard Workerdeclare void @RunInMode(i32) 54*9880d681SAndroid Build Coastguard Workerdeclare void @TimerCreate(i32*) 55