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R600/SI: Remove explicit m0 operand from DS instructions

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Instead add m0 as an implicit operand.  This helps avoid spills
of the m0 register in some cases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237141 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tom Stellard
2015-05-12 15:00:49 +00:00
parent a89c1839c7
commit 6ecd744594
8 changed files with 259 additions and 118 deletions
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2
test/CodeGen/R600/ds_read2st64.ll
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@@ -65,8 +65,8 @@ define void @simple_read2st64_f32_max_offset(float addrspace(1)* %out, float add
; SI-LABEL: @simple_read2st64_f32_over_max_offset
; SI-NOT: ds_read2st64_b32
; SI: v_add_i32_e32 [[BIGADD:v[0-9]+]], 0x10000, {{v[0-9]+}}
; SI: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:256
; SI: v_add_i32_e32 [[BIGADD:v[0-9]+]], 0x10000, {{v[0-9]+}}
; SI: ds_read_b32 {{v[0-9]+}}, [[BIGADD]]
; SI: s_endpgm
define void @simple_read2st64_f32_over_max_offset(float addrspace(1)* %out, float addrspace(3)* %lds) #0 {

2
test/CodeGen/R600/shl_add_ptr.ll
View File

@@ -69,8 +69,8 @@ define void @load_shl_base_lds_max_offset(i8 addrspace(1)* %out, i8 addrspace(3)
; pointer can be used with an offset into the second one.
; SI-LABEL: {{^}}load_shl_base_lds_2:
; SI: v_lshlrev_b32_e32 [[PTR:v[0-9]+]], 2, {{v[0-9]+}}
; SI: s_mov_b32 m0, -1
; SI-NEXT: v_lshlrev_b32_e32 [[PTR:v[0-9]+]], 2, {{v[0-9]+}}
; SI-NEXT: ds_read2st64_b32 {{v\[[0-9]+:[0-9]+\]}}, [[PTR]] offset0:1 offset1:9
; SI: s_endpgm
define void @load_shl_base_lds_2(float addrspace(1)* %out) #0 {