1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=nvptx64 -mcpu=sm_35 -disable-cgp | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; Disable CGP which also folds branches, so that only BranchFolding is under 3*9880d681SAndroid Build Coastguard Worker; the spotlight. 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-i64:64-v16:16-v32:32-n16:32:64" 6*9880d681SAndroid Build Coastguard Workertarget triple = "nvptx64-nvidia-cuda" 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Workerdefine void @foo(i32 %x, float* %output) { 9*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: .visible .func foo( 10*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: bra.uni 11*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: LBB0_ 12*9880d681SAndroid Build Coastguard Worker %1 = icmp eq i32 %x, 1 13*9880d681SAndroid Build Coastguard Worker br i1 %1, label %then, label %else 14*9880d681SAndroid Build Coastguard Worker 15*9880d681SAndroid Build Coastguard Workerthen: 16*9880d681SAndroid Build Coastguard Worker br label %merge 17*9880d681SAndroid Build Coastguard Worker 18*9880d681SAndroid Build Coastguard Workerelse: 19*9880d681SAndroid Build Coastguard Worker br label %merge 20*9880d681SAndroid Build Coastguard Worker 21*9880d681SAndroid Build Coastguard Workermerge: 22*9880d681SAndroid Build Coastguard Worker store float 2.0, float* %output 23*9880d681SAndroid Build Coastguard Worker ret void 24*9880d681SAndroid Build Coastguard Worker} 25*9880d681SAndroid Build Coastguard Worker 26*9880d681SAndroid Build Coastguard Worker; PR24299. no crash 27*9880d681SAndroid Build Coastguard Workerdefine ptx_kernel void @hoge() #0 { 28*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: .visible .entry hoge( 29*9880d681SAndroid Build Coastguard Workerbb: 30*9880d681SAndroid Build Coastguard Worker br i1 undef, label %bb1, label %bb4 31*9880d681SAndroid Build Coastguard Worker 32*9880d681SAndroid Build Coastguard Workerbb1: ; preds = %bb1, %bb 33*9880d681SAndroid Build Coastguard Worker %tmp = phi i64 [ %tmp2, %bb1 ], [ undef, %bb ] 34*9880d681SAndroid Build Coastguard Worker %tmp2 = add nsw i64 %tmp, 1 35*9880d681SAndroid Build Coastguard Worker %tmp3 = icmp sle i64 %tmp, 0 36*9880d681SAndroid Build Coastguard Worker br i1 %tmp3, label %bb1, label %bb4 37*9880d681SAndroid Build Coastguard Worker 38*9880d681SAndroid Build Coastguard Workerbb4: ; preds = %bb4, %bb1, %bb 39*9880d681SAndroid Build Coastguard Worker br label %bb4 40*9880d681SAndroid Build Coastguard Worker} 41