llvm.org GIT mirror llvm / testing test / CodeGen / NVPTX / surf-write-cuda.ll
testing

Tree @testing (Download .tar.gz)

surf-write-cuda.ll @testingraw · history · blame

; 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 void @llvm.nvvm.sust.b.1d.i32.trap(i64, i32, 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, i32 %val, i32 %idx) {
; SM20: ld.param.u64    %rd[[SURFREG:[0-9]+]], [foo_param_0];
; SM20: sust.b.1d.b32.trap [%rd[[SURFREG]], {%r{{[0-9]+}}}], {%r{{[0-9]+}}}
; SM30: ld.param.u64    %rd[[SURFREG:[0-9]+]], [foo_param_0];
; SM30: sust.b.1d.b32.trap [%rd[[SURFREG]], {%r{{[0-9]+}}}], {%r{{[0-9]+}}}
  tail call void @llvm.nvvm.sust.b.1d.i32.trap(i64 %img, i32 %idx, i32 %val)
  ret void
}


@surf0 = internal addrspace(1) global i64 0, align 8



; SM20-LABEL: .entry bar
; SM30-LABEL: .entry bar
define void @bar(i32 %val, 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: sust.b.1d.b32.trap [surf0, {%r{{[0-9]+}}}], {%r{{[0-9]+}}}
; SM30: sust.b.1d.b32.trap [%rd[[SURFREG]], {%r{{[0-9]+}}}], {%r{{[0-9]+}}}
  tail call void @llvm.nvvm.sust.b.1d.i32.trap(i64 %surfHandle, i32 %idx, i32 %val)
  ret void
}


!nvvm.annotations = !{!1, !2, !3}
!1 = !{void (i64, i32, i32)* @foo, !"kernel", i32 1}
!2 = !{void (i32, i32)* @bar, !"kernel", i32 1}
!3 = !{i64 addrspace(1)* @surf0, !"surface", i32 1}