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R600: Increase nearby load scheduling threshold.

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This partially fixes weird looking load scheduling
in memcpy test. The load clustering doesn't seem
particularly smart, but this method seems to be partially
deprecated so it might not be worth trying to fix.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214943 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault
2014-08-06 00:29:49 +00:00
parent c9c70b1651
commit 85dc7da6f3
2 changed files with 58 additions and 42 deletions
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71
test/CodeGen/R600/llvm.memcpy.ll
View File

@@ -11,6 +11,11 @@ declare void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* nocapture, i8 addrspace
; SI: DS_WRITE_B8
; SI: DS_READ_U8
; SI: DS_WRITE_B8
; SI: DS_READ_U8
; SI: DS_WRITE_B8
; SI: DS_READ_U8
; SI: DS_WRITE_B8
; SI: DS_READ_U8
; SI: DS_WRITE_B8
; SI: DS_READ_U8
@@ -31,13 +36,8 @@ declare void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* nocapture, i8 addrspace
; SI: DS_READ_U8
; SI: DS_WRITE_B8
; SI: DS_READ_U8
; SI: DS_WRITE_B8
; SI: DS_READ_U8
; SI: DS_WRITE_B8
; SI: DS_READ_U8
; SI: DS_WRITE_B8
; SI: DS_READ_U8
; SI: DS_WRITE_B8
; SI: DS_READ_U8
; SI: DS_READ_U8
@@ -47,6 +47,7 @@ declare void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* nocapture, i8 addrspace
; SI: DS_READ_U8
; SI: DS_READ_U8
; SI: DS_READ_U8
; SI: DS_READ_U8
; SI: DS_READ_U8
; SI: DS_READ_U8
@@ -63,6 +64,9 @@ declare void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* nocapture, i8 addrspace
; SI: DS_WRITE_B8
; SI: DS_WRITE_B8
; SI: DS_WRITE_B8
; SI: DS_WRITE_B8
; SI: DS_WRITE_B8
; SI: DS_WRITE_B8
; SI: DS_WRITE_B8
; SI: DS_WRITE_B8
@@ -83,21 +87,13 @@ define void @test_small_memcpy_i64_lds_to_lds_align1(i64 addrspace(3)* noalias %
; FUNC-LABEL: @test_small_memcpy_i64_lds_to_lds_align2
; SI: DS_READ_U16
; SI: DS_WRITE_B16
; SI: DS_READ_U16
; SI: DS_WRITE_B16
; SI: DS_READ_U16
; SI: DS_WRITE_B16
; SI: DS_READ_U16
; SI: DS_WRITE_B16
; SI: DS_READ_U16
; SI: DS_WRITE_B16
; SI: DS_READ_U16
; SI: DS_WRITE_B16
; SI: DS_READ_U16
; SI: DS_WRITE_B16
; SI: DS_READ_U16
; SI: DS_WRITE_B16
; SI: DS_READ_U16
; SI: DS_READ_U16
@@ -117,6 +113,15 @@ define void @test_small_memcpy_i64_lds_to_lds_align1(i64 addrspace(3)* noalias %
; SI: DS_WRITE_B16
; SI: DS_WRITE_B16
; SI: DS_WRITE_B16
; SI: DS_WRITE_B16
; SI: DS_WRITE_B16
; SI: DS_WRITE_B16
; SI: DS_WRITE_B16
; SI: DS_WRITE_B16
; SI: DS_WRITE_B16
; SI: DS_WRITE_B16
; SI: S_ENDPGM
define void @test_small_memcpy_i64_lds_to_lds_align2(i64 addrspace(3)* noalias %out, i64 addrspace(3)* noalias %in) nounwind {
%bcin = bitcast i64 addrspace(3)* %in to i8 addrspace(3)*
@@ -278,37 +283,37 @@ define void @test_small_memcpy_i64_global_to_global_align1(i64 addrspace(1)* noa
; FUNC-LABEL: @test_small_memcpy_i64_global_to_global_align2
; SI-DAG: BUFFER_LOAD_USHORT
; SI-DAG: BUFFER_STORE_SHORT
; SI-DAG: BUFFER_LOAD_USHORT
; SI-DAG: BUFFER_STORE_SHORT
; SI-DAG: BUFFER_LOAD_USHORT
; SI-DAG: BUFFER_STORE_SHORT
; SI-DAG: BUFFER_LOAD_USHORT
; SI-DAG: BUFFER_STORE_SHORT
; SI-DAG: BUFFER_LOAD_USHORT
; SI-DAG: BUFFER_STORE_SHORT
; SI-DAG: BUFFER_LOAD_USHORT
; SI-DAG: BUFFER_STORE_SHORT
; SI-DAG: BUFFER_LOAD_USHORT
; SI-DAG: BUFFER_STORE_SHORT
; SI-DAG: BUFFER_LOAD_USHORT
; SI-DAG: BUFFER_STORE_SHORT
; SI-DAG: BUFFER_LOAD_USHORT
; SI-DAG: BUFFER_LOAD_USHORT
; SI-DAG: BUFFER_LOAD_USHORT
; SI-DAG: BUFFER_LOAD_USHORT
; SI-DAG: BUFFER_LOAD_USHORT
; SI-DAG: BUFFER_LOAD_USHORT
; SI-DAG: BUFFER_LOAD_USHORT
; SI-DAG: BUFFER_LOAD_USHORT
; SI-DAG: BUFFER_LOAD_USHORT
; SI-DAG: BUFFER_STORE_SHORT
; SI-DAG: BUFFER_LOAD_USHORT
; SI-DAG: BUFFER_STORE_SHORT
; SI-DAG: BUFFER_LOAD_USHORT
; SI-DAG: BUFFER_STORE_SHORT
; SI-DAG: BUFFER_LOAD_USHORT
; SI-DAG: BUFFER_STORE_SHORT
; SI-DAG: BUFFER_LOAD_USHORT
; SI-DAG: BUFFER_STORE_SHORT
; SI-DAG: BUFFER_LOAD_USHORT
; SI-DAG: BUFFER_STORE_SHORT
; SI-DAG: BUFFER_LOAD_USHORT
; SI-DAG: BUFFER_STORE_SHORT
; SI-DAG: BUFFER_LOAD_USHORT
; SI-DAG: BUFFER_STORE_SHORT
; SI-DAG: BUFFER_STORE_SHORT
; SI-DAG: BUFFER_STORE_SHORT
; SI-DAG: BUFFER_STORE_SHORT
; SI-DAG: BUFFER_STORE_SHORT
; SI-DAG: BUFFER_STORE_SHORT
; SI-DAG: BUFFER_STORE_SHORT
; SI-DAG: BUFFER_STORE_SHORT
; SI-DAG: BUFFER_STORE_SHORT
; SI: S_ENDPGM
@@ -321,9 +326,9 @@ define void @test_small_memcpy_i64_global_to_global_align2(i64 addrspace(1)* noa
; FUNC-LABEL: @test_small_memcpy_i64_global_to_global_align4
; SI: BUFFER_LOAD_DWORDX4
; SI: BUFFER_STORE_DWORDX4
; SI: BUFFER_LOAD_DWORDX4
; SI: BUFFER_STORE_DWORDX4
; SI: BUFFER_STORE_DWORDX4
; SI: S_ENDPGM
define void @test_small_memcpy_i64_global_to_global_align4(i64 addrspace(1)* noalias %out, i64 addrspace(1)* noalias %in) nounwind {
%bcin = bitcast i64 addrspace(1)* %in to i8 addrspace(1)*
@@ -334,9 +339,9 @@ define void @test_small_memcpy_i64_global_to_global_align4(i64 addrspace(1)* noa
; FUNC-LABEL: @test_small_memcpy_i64_global_to_global_align8
; SI: BUFFER_LOAD_DWORDX4
; SI: BUFFER_STORE_DWORDX4
; SI: BUFFER_LOAD_DWORDX4
; SI: BUFFER_STORE_DWORDX4
; SI: BUFFER_STORE_DWORDX4
; SI: S_ENDPGM
define void @test_small_memcpy_i64_global_to_global_align8(i64 addrspace(1)* noalias %out, i64 addrspace(1)* noalias %in) nounwind {
%bcin = bitcast i64 addrspace(1)* %in to i8 addrspace(1)*
@@ -347,9 +352,9 @@ define void @test_small_memcpy_i64_global_to_global_align8(i64 addrspace(1)* noa
; FUNC-LABEL: @test_small_memcpy_i64_global_to_global_align16
; SI: BUFFER_LOAD_DWORDX4
; SI: BUFFER_STORE_DWORDX4
; SI: BUFFER_LOAD_DWORDX4
; SI: BUFFER_STORE_DWORDX4
; SI: BUFFER_STORE_DWORDX4
; SI: S_ENDPGM
define void @test_small_memcpy_i64_global_to_global_align16(i64 addrspace(1)* noalias %out, i64 addrspace(1)* noalias %in) nounwind {
%bcin = bitcast i64 addrspace(1)* %in to i8 addrspace(1)*