File: tex-read.ll

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llvm-toolchain-11 1%3A11.0.1-2
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; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s

target triple = "nvptx-unknown-nvcl"

declare { float, float, float, float } @llvm.nvvm.tex.1d.v4f32.s32(i64, i64, i32)

; CHECK: .entry foo
define void @foo(i64 %img, i64 %sampler, float* %red, i32 %idx) {
; 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]+}}}]
  %val = tail call { float, float, float, float } @llvm.nvvm.tex.1d.v4f32.s32(i64 %img, i64 %sampler, i32 %idx)
  %ret = extractvalue { float, float, float, float } %val, 0
; CHECK: st.f32 [%r{{[0-9]+}}], %f[[RED]]
  store float %ret, float* %red
  ret void
}

!nvvm.annotations = !{!1, !2, !3}
!1 = !{void (i64, i64, float*, i32)* @foo, !"kernel", i32 1}
!2 = !{void (i64, i64, float*, i32)* @foo, !"rdoimage", i32 0}
!3 = !{void (i64, i64, float*, i32)* @foo, !"sampler", i32 1}