1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=nvptx64 -mcpu=sm_20 | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-i64:64-v16:16-v32:32-n16:32:64" 4*9880d681SAndroid Build Coastguard Workertarget triple = "nvptx64-unknown-unknown" 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Worker; Compiled from the following CUDA code: 7*9880d681SAndroid Build Coastguard Worker; 8*9880d681SAndroid Build Coastguard Worker; #pragma nounroll 9*9880d681SAndroid Build Coastguard Worker; for (int i = 0; i < 2; ++i) 10*9880d681SAndroid Build Coastguard Worker; output[i] = input[i]; 11*9880d681SAndroid Build Coastguard Workerdefine void @nounroll(float* %input, float* %output) { 12*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: .visible .func nounroll( 13*9880d681SAndroid Build Coastguard Workerentry: 14*9880d681SAndroid Build Coastguard Worker br label %for.body 15*9880d681SAndroid Build Coastguard Worker 16*9880d681SAndroid Build Coastguard Workerfor.body: 17*9880d681SAndroid Build Coastguard Worker; CHECK: .pragma "nounroll" 18*9880d681SAndroid Build Coastguard Worker %i.06 = phi i32 [ 0, %entry ], [ %inc, %for.body ] 19*9880d681SAndroid Build Coastguard Worker %idxprom = sext i32 %i.06 to i64 20*9880d681SAndroid Build Coastguard Worker %arrayidx = getelementptr inbounds float, float* %input, i64 %idxprom 21*9880d681SAndroid Build Coastguard Worker %0 = load float, float* %arrayidx, align 4 22*9880d681SAndroid Build Coastguard Worker; CHECK: ld.f32 23*9880d681SAndroid Build Coastguard Worker %arrayidx2 = getelementptr inbounds float, float* %output, i64 %idxprom 24*9880d681SAndroid Build Coastguard Worker store float %0, float* %arrayidx2, align 4 25*9880d681SAndroid Build Coastguard Worker; CHECK: st.f32 26*9880d681SAndroid Build Coastguard Worker %inc = add nuw nsw i32 %i.06, 1 27*9880d681SAndroid Build Coastguard Worker %exitcond = icmp eq i32 %inc, 2 28*9880d681SAndroid Build Coastguard Worker br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !0 29*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: ld.f32 30*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: st.f32 31*9880d681SAndroid Build Coastguard Worker 32*9880d681SAndroid Build Coastguard Workerfor.end: 33*9880d681SAndroid Build Coastguard Worker ret void 34*9880d681SAndroid Build Coastguard Worker} 35*9880d681SAndroid Build Coastguard Worker 36*9880d681SAndroid Build Coastguard Worker!0 = distinct !{!0, !1} 37*9880d681SAndroid Build Coastguard Worker!1 = !{!"llvm.loop.unroll.disable"} 38