diff options
Diffstat (limited to 'test/CodeGen/NVPTX/surf-read.ll')
| -rw-r--r-- | test/CodeGen/NVPTX/surf-read.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/CodeGen/NVPTX/surf-read.ll b/test/CodeGen/NVPTX/surf-read.ll new file mode 100644 index 0000000..a69d03e --- /dev/null +++ b/test/CodeGen/NVPTX/surf-read.ll @@ -0,0 +1,20 @@ +; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s + +target triple = "nvptx-unknown-nvcl" + +declare i32 @llvm.nvvm.suld.1d.i32.trap(i64, i32) + +; CHECK: .entry foo +define void @foo(i64 %img, float* %red, i32 %idx) { +; CHECK: suld.b.1d.b32.trap {%r[[RED:[0-9]+]]}, [foo_param_0, {%r{{[0-9]+}}}] + %val = tail call i32 @llvm.nvvm.suld.1d.i32.trap(i64 %img, i32 %idx) +; CHECK: cvt.rn.f32.s32 %f[[REDF:[0-9]+]], %r[[RED]] + %ret = sitofp i32 %val to float +; CHECK: st.f32 [%r{{[0-9]+}}], %f[[REDF]] + store float %ret, float* %red + ret void +} + +!nvvm.annotations = !{!1, !2} +!1 = metadata !{void (i64, float*, i32)* @foo, metadata !"kernel", i32 1} +!2 = metadata !{void (i64, float*, i32)* @foo, metadata !"rdwrimage", i32 0} |