File: vtx-schedule.ll

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llvm-toolchain-16 1%3A16.0.6-15~deb12u1
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; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s

; This test is for a scheduler bug where VTX_READ instructions that used
; the result of another VTX_READ instruction were being grouped in the
; same fetch clasue.

; CHECK: {{^}}test:
; CHECK: Fetch clause
; CHECK: VTX_READ_32 [[IN0:T[0-9]+\.X]], [[IN0]], 0
; CHECK: Fetch clause
; CHECK: VTX_READ_32 [[IN1:T[0-9]+\.X]], [[IN1]], 0
define amdgpu_kernel void @test(ptr addrspace(1) nocapture %out, ptr addrspace(1) nocapture %in0) {
entry:
  %0 = load ptr addrspace(1), ptr addrspace(1) %in0
  %1 = load i32, ptr addrspace(1) %0
  store i32 %1, ptr addrspace(1) %out
  ret void
}