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R600/SI: Add a failing test case for offset order in ds_read2 instructions 

llvm-svn: 222585
This commit is contained in:
Tom Stellard 2014-11-21 22:31:47 +00:00
parent 91c7ef529d
commit f1206edfd0
1 changed files with 44 additions and 0 deletions
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44
llvm/test/CodeGen/R600/ds_read2_offset_order.ll Normal file
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; RUN: llc -march=r600 -mcpu=bonaire -verify-machineinstrs -mattr=+load-store-opt -enable-misched < %s | FileCheck -strict-whitespace -check-prefix=SI %s
; XFAIL: *
@lds = addrspace(3) global [512 x float] undef, align 4
; SI-LABEL: {{^}}offset_order:
; SI: ds_read_b32 v{{[0-9]+}}, v{{[0-9]+}} offset:56
; SI: ds_read2st64_b32 v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}} offset0:0 offset1:4
; SI: ds_read2_b32 v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}} offset0:2 offset1:3
; SI: ds_read2_b32 v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}} offset0:11 offset1:1
define void @offset_order(float addrspace(1)* %out) {
entry:
%ptr0 = getelementptr inbounds [512 x float] addrspace(3)* @lds, i32 0, i32 0
%val0 = load float addrspace(3)* %ptr0
%ptr1 = getelementptr inbounds [512 x float] addrspace(3)* @lds, i32 0, i32 256
%val1 = load float addrspace(3)* %ptr1
%add1 = fadd float %val0, %val1
%ptr2 = getelementptr inbounds [512 x float] addrspace(3)* @lds, i32 0, i32 3
%val2 = load float addrspace(3)* %ptr2
%add2 = fadd float %add1, %val2
%ptr3 = getelementptr inbounds [512 x float] addrspace(3)* @lds, i32 0, i32 2
%val3 = load float addrspace(3)* %ptr3
%add3 = fadd float %add2, %val3
%ptr4 = getelementptr inbounds [512 x float] addrspace(3)* @lds, i32 0, i32 12
%val4 = load float addrspace(3)* %ptr4
%add4 = fadd float %add3, %val4
%ptr5 = getelementptr inbounds [512 x float] addrspace(3)* @lds, i32 0, i32 14
%val5 = load float addrspace(3)* %ptr5
%add5 = fadd float %add4, %val5
%ptr6 = getelementptr inbounds [512 x float] addrspace(3)* @lds, i32 0, i32 11
%val6 = load float addrspace(3)* %ptr6
%add6 = fadd float %add5, %val6
store float %add6, float addrspace(1)* %out
ret void
}