1 ; RUN: llc < %s -march=nvptx64 -mcpu=sm_20 | FileCheck %s
2 ; RUN: %if ptxas %{ llc < %s -march=nvptx64 -mcpu=sm_20 | %ptxas-verify %}
4 target datalayout = "e-i64:64-v16:16-v32:32-n16:32:64"
5 target triple = "nvptx64-nvidia-cuda"
7 %class.float3 = type { float, float, float }
9 ; Function Attrs: nounwind
10 ; CHECK-LABEL: some_kernel
11 define void @some_kernel(ptr nocapture %dst) #0 {
12 _ZL11compute_vecRK6float3jb.exit:
13 %ret_vec.sroa.8.i = alloca float, align 4
14 %0 = tail call i32 @llvm.nvvm.read.ptx.sreg.ctaid.x()
15 %1 = tail call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
16 %2 = mul nsw i32 %1, %0
17 %3 = tail call i32 @llvm.nvvm.read.ptx.sreg.tid.x()
18 %4 = add nsw i32 %2, %3
19 %5 = zext i32 %4 to i64
20 call void @llvm.lifetime.start.p0(i64 4, ptr %ret_vec.sroa.8.i)
22 %7 = icmp eq i32 %6, 0
23 %8 = select i1 %7, float 0.000000e+00, float -1.000000e+00
24 store float %8, ptr %ret_vec.sroa.8.i, align 4
25 ; CHECK: max.f32 %f{{[0-9]+}}, %f{{[0-9]+}}, 0f00000000
26 %9 = fcmp olt float %8, 0.000000e+00
27 %ret_vec.sroa.8.i.val = load float, ptr %ret_vec.sroa.8.i, align 4
28 %10 = select i1 %9, float 0.000000e+00, float %ret_vec.sroa.8.i.val
29 call void @llvm.lifetime.end.p0(i64 4, ptr %ret_vec.sroa.8.i)
30 %11 = getelementptr inbounds %class.float3, ptr %dst, i64 %5, i32 0
31 store float 0.000000e+00, ptr %11, align 4
32 %12 = getelementptr inbounds %class.float3, ptr %dst, i64 %5, i32 1
33 store float %10, ptr %12, align 4
34 %13 = getelementptr inbounds %class.float3, ptr %dst, i64 %5, i32 2
35 store float 0.000000e+00, ptr %13, align 4
39 ; Function Attrs: nounwind readnone
40 declare i32 @llvm.nvvm.read.ptx.sreg.ctaid.x() #1
42 ; Function Attrs: nounwind readnone
43 declare i32 @llvm.nvvm.read.ptx.sreg.ntid.x() #1
45 ; Function Attrs: nounwind readnone
46 declare i32 @llvm.nvvm.read.ptx.sreg.tid.x() #1
48 ; Function Attrs: nounwind
49 declare void @llvm.lifetime.start.p0(i64, ptr nocapture) #2
51 ; Function Attrs: nounwind
52 declare void @llvm.lifetime.end.p0(i64, ptr nocapture) #2
54 attributes #0 = { nounwind "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "stack-protector-buffer-size"="8" "no-signed-zeros-fp-math"="true" "use-soft-float"="false" }
55 attributes #1 = { nounwind readnone }
56 attributes #2 = { nounwind }
58 !nvvm.annotations = !{!0}
61 !0 = !{ptr @some_kernel, !"kernel", i32 1}
62 !1 = !{!"clang version 3.5.1 (tags/RELEASE_351/final)"}