xref: /llvm-project/llvm/test/CodeGen/NVPTX/tex-read.ll (revision 4583f6d3443c8dc6605c868724e3743161954210)
1; RUN: llc < %s -mcpu=sm_20 -verify-machineinstrs | FileCheck %s
2; RUN: %if ptxas %{ llc < %s -mcpu=sm_20 -verify-machineinstrs | %ptxas-verify %}
3
4target triple = "nvptx64-unknown-nvcl"
5
6declare { float, float, float, float } @llvm.nvvm.tex.1d.v4f32.s32(i64, i64, i32)
7
8; CHECK: .entry foo
9define ptx_kernel void @foo(i64 %img, i64 %sampler, ptr %red, i32 %idx) {
10; CHECK: tex.1d.v4.f32.s32 {%f[[RED:[0-9]+]], %f[[GREEN:[0-9]+]], %f[[BLUE:[0-9]+]], %f[[ALPHA:[0-9]+]]}, [foo_param_0, foo_param_1, {%r{{[0-9]+}}}]
11  %val = tail call { float, float, float, float } @llvm.nvvm.tex.1d.v4f32.s32(i64 %img, i64 %sampler, i32 %idx)
12  %ret = extractvalue { float, float, float, float } %val, 0
13; CHECK: st.f32 [%rd{{[0-9]+}}], %f[[RED]]
14  store float %ret, ptr %red
15  ret void
16}
17
18!nvvm.annotations = !{!2, !3}
19!2 = !{ptr @foo, !"rdoimage", i32 0}
20!3 = !{ptr @foo, !"sampler", i32 1}
21