1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=amdgcn -mcpu=SI -verify-machineinstrs | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker; This tests that the llvm.SI.end.cf intrinsic is not inserted into the 4*9880d681SAndroid Build Coastguard Worker; loop block. This intrinsic will be lowered to s_or_b64 by the code 5*9880d681SAndroid Build Coastguard Worker; generator. 6*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: {{^}}test: 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Worker; This is was lowered from the llvm.SI.end.cf intrinsic: 10*9880d681SAndroid Build Coastguard Worker; CHECK: s_or_b64 exec, exec 11*9880d681SAndroid Build Coastguard Worker 12*9880d681SAndroid Build Coastguard Worker; CHECK: [[LOOP_LABEL:[0-9A-Za-z_]+]]: ; %loop{{$}} 13*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: s_or_b64 exec, exec 14*9880d681SAndroid Build Coastguard Worker; CHECK: s_cbranch_execnz [[LOOP_LABEL]] 15*9880d681SAndroid Build Coastguard Workerdefine void @test(i32 addrspace(1)* %out) { 16*9880d681SAndroid Build Coastguard Workerentry: 17*9880d681SAndroid Build Coastguard Worker %cond = call i32 @llvm.r600.read.tidig.x() #0 18*9880d681SAndroid Build Coastguard Worker %tmp0 = icmp eq i32 %cond, 0 19*9880d681SAndroid Build Coastguard Worker br i1 %tmp0, label %if, label %loop 20*9880d681SAndroid Build Coastguard Worker 21*9880d681SAndroid Build Coastguard Workerif: 22*9880d681SAndroid Build Coastguard Worker store i32 0, i32 addrspace(1)* %out 23*9880d681SAndroid Build Coastguard Worker br label %loop 24*9880d681SAndroid Build Coastguard Worker 25*9880d681SAndroid Build Coastguard Workerloop: 26*9880d681SAndroid Build Coastguard Worker %tmp1 = phi i32 [0, %entry], [0, %if], [%inc, %loop] 27*9880d681SAndroid Build Coastguard Worker %inc = add i32 %tmp1, %cond 28*9880d681SAndroid Build Coastguard Worker %tmp2 = icmp ugt i32 %inc, 10 29*9880d681SAndroid Build Coastguard Worker br i1 %tmp2, label %done, label %loop 30*9880d681SAndroid Build Coastguard Worker 31*9880d681SAndroid Build Coastguard Workerdone: 32*9880d681SAndroid Build Coastguard Worker %tmp3 = getelementptr i32, i32 addrspace(1)* %out, i64 1 33*9880d681SAndroid Build Coastguard Worker store i32 %inc, i32 addrspace(1)* %tmp3 34*9880d681SAndroid Build Coastguard Worker ret void 35*9880d681SAndroid Build Coastguard Worker} 36*9880d681SAndroid Build Coastguard Worker 37*9880d681SAndroid Build Coastguard Workerdeclare i32 @llvm.r600.read.tidig.x() #0 38*9880d681SAndroid Build Coastguard Worker 39*9880d681SAndroid Build Coastguard Workerattributes #0 = { readnone } 40