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; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=FUNC -check-prefix=SI %s
declare i32 @llvm.r600.read.tidig.x() #1
; FIXME: This currently doesn't do a great job of clustering the
; loads, which end up with extra moves between them. Right now, it
; seems the only things areLoadsFromSameBasePtr is accomplishing is
; ordering the loads so that the lower address loads come first.
; FUNC-LABEL: {{^}}cluster_global_arg_loads:
; SI-DAG: BUFFER_LOAD_DWORD [[REG0:v[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0{{$}}
; SI-DAG: BUFFER_LOAD_DWORD [[REG1:v[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0 offset:0x4
; SI: BUFFER_STORE_DWORD [[REG0]]
; SI: BUFFER_STORE_DWORD [[REG1]]
define void @cluster_global_arg_loads(i32 addrspace(1)* %out0, i32 addrspace(1)* %out1, i32 addrspace(1)* %ptr) #0 {
%load0 = load i32 addrspace(1)* %ptr, align 4
%gep = getelementptr i32 addrspace(1)* %ptr, i32 1
%load1 = load i32 addrspace(1)* %gep, align 4
store i32 %load0, i32 addrspace(1)* %out0, align 4
store i32 %load1, i32 addrspace(1)* %out1, align 4
ret void
}
; Test for a crach in SIInstrInfo::areLoadsFromSameBasePtr() when checking
; an MUBUF load which does not have a vaddr operand.
; FUNC-LABEL: {{^}}same_base_ptr_crash:
; SI: BUFFER_LOAD_DWORD
; SI: BUFFER_LOAD_DWORD
define void @same_base_ptr_crash(i32 addrspace(1)* %out, i32 addrspace(1)* %in, i32 %offset) {
entry:
%out1 = getelementptr i32 addrspace(1)* %out, i32 %offset
%tmp0 = load i32 addrspace(1)* %out
%tmp1 = load i32 addrspace(1)* %out1
%tmp2 = add i32 %tmp0, %tmp1
store i32 %tmp2, i32 addrspace(1)* %out
ret void
}
attributes #0 = { nounwind }
attributes #1 = { nounwind readnone }
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