diff options
Diffstat (limited to 'test/CodeGen/NVPTX/surf-read-cuda.ll')
| -rw-r--r-- | test/CodeGen/NVPTX/surf-read-cuda.ll | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/test/CodeGen/NVPTX/surf-read-cuda.ll b/test/CodeGen/NVPTX/surf-read-cuda.ll new file mode 100644 index 0000000..10a1ecc --- /dev/null +++ b/test/CodeGen/NVPTX/surf-read-cuda.ll @@ -0,0 +1,53 @@ +; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s --check-prefix=SM20 +; RUN: llc < %s -march=nvptx -mcpu=sm_30 | FileCheck %s --check-prefix=SM30 + +target triple = "nvptx-unknown-cuda" + +declare i32 @llvm.nvvm.suld.1d.i32.trap(i64, i32) +declare i64 @llvm.nvvm.texsurf.handle.internal.p1i64(i64 addrspace(1)*) + + +; SM20-LABEL: .entry foo +; SM30-LABEL: .entry foo +define void @foo(i64 %img, float* %red, i32 %idx) { +; SM20: ld.param.u64 %rd[[SURFREG:[0-9]+]], [foo_param_0]; +; SM20: suld.b.1d.b32.trap {%r[[RED:[0-9]+]]}, [%rd[[SURFREG]], {%r{{[0-9]+}}}] +; SM30: ld.param.u64 %rd[[SURFREG:[0-9]+]], [foo_param_0]; +; SM30: suld.b.1d.b32.trap {%r[[RED:[0-9]+]]}, [%rd[[SURFREG]], {%r{{[0-9]+}}}] + %val = tail call i32 @llvm.nvvm.suld.1d.i32.trap(i64 %img, i32 %idx) +; SM20: cvt.rn.f32.s32 %f[[REDF:[0-9]+]], %r[[RED]] +; SM30: cvt.rn.f32.s32 %f[[REDF:[0-9]+]], %r[[RED]] + %ret = sitofp i32 %val to float +; SM20: st.f32 [%r{{[0-9]+}}], %f[[REDF]] +; SM30: st.f32 [%r{{[0-9]+}}], %f[[REDF]] + store float %ret, float* %red + ret void +} + +@surf0 = internal addrspace(1) global i64 0, align 8 + +; SM20-LABEL: .entry bar +; SM30-LABEL: .entry bar +define void @bar(float* %red, i32 %idx) { +; SM30: mov.u64 %rd[[SURFHANDLE:[0-9]+]], surf0 + %surfHandle = tail call i64 @llvm.nvvm.texsurf.handle.internal.p1i64(i64 addrspace(1)* @surf0) +; SM20: suld.b.1d.b32.trap {%r[[RED:[0-9]+]]}, [surf0, {%r{{[0-9]+}}}] +; SM30: suld.b.1d.b32.trap {%r[[RED:[0-9]+]]}, [%rd[[SURFHANDLE]], {%r{{[0-9]+}}}] + %val = tail call i32 @llvm.nvvm.suld.1d.i32.trap(i64 %surfHandle, i32 %idx) +; SM20: cvt.rn.f32.s32 %f[[REDF:[0-9]+]], %r[[RED]] +; SM30: cvt.rn.f32.s32 %f[[REDF:[0-9]+]], %r[[RED]] + %ret = sitofp i32 %val to float +; SM20: st.f32 [%r{{[0-9]+}}], %f[[REDF]] +; SM30: st.f32 [%r{{[0-9]+}}], %f[[REDF]] + store float %ret, float* %red + ret void +} + + + + +!nvvm.annotations = !{!1, !2, !3} +!1 = metadata !{void (i64, float*, i32)* @foo, metadata !"kernel", i32 1} +!2 = metadata !{void (float*, i32)* @bar, metadata !"kernel", i32 1} +!3 = metadata !{i64 addrspace(1)* @surf0, metadata !"surface", i32 1} + |