llvm/test/CodeGen/AMDGPU/reorder-stores.ll
Matt Arsenault b617c550dc AMDGPU: Make v2i64/v2f64 legal types.
They can be loaded and stored, so count them as legal. This is
mostly to fix a number of common cases for load/store merging.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@254086 91177308-0d34-0410-b5e6-96231b3b80d8
2015-11-25 19:58:34 +00:00

72 lines
2.8 KiB
LLVM

; RUN: llc -march=amdgcn -mcpu=SI < %s | FileCheck -check-prefix=SI %s
; RUN: llc -march=amdgcn -mcpu=tonga < %s | FileCheck -check-prefix=SI %s
; SI-LABEL: {{^}}no_reorder_v2f64_global_load_store:
; SI: buffer_load_dwordx4
; SI: buffer_load_dwordx4
; SI: buffer_store_dwordx4
; SI: buffer_store_dwordx4
; SI: s_endpgm
define void @no_reorder_v2f64_global_load_store(<2 x double> addrspace(1)* nocapture %x, <2 x double> addrspace(1)* nocapture %y) nounwind {
%tmp1 = load <2 x double>, <2 x double> addrspace(1)* %x, align 16
%tmp4 = load <2 x double>, <2 x double> addrspace(1)* %y, align 16
store <2 x double> %tmp4, <2 x double> addrspace(1)* %x, align 16
store <2 x double> %tmp1, <2 x double> addrspace(1)* %y, align 16
ret void
}
; SI-LABEL: {{^}}no_reorder_scalarized_v2f64_local_load_store:
; SI: ds_read_b64
; SI: ds_read_b64
; SI: ds_write_b64
; SI: ds_write_b64
; SI: s_endpgm
define void @no_reorder_scalarized_v2f64_local_load_store(<2 x double> addrspace(3)* nocapture %x, <2 x double> addrspace(3)* nocapture %y) nounwind {
%tmp1 = load <2 x double>, <2 x double> addrspace(3)* %x, align 16
%tmp4 = load <2 x double>, <2 x double> addrspace(3)* %y, align 16
store <2 x double> %tmp4, <2 x double> addrspace(3)* %x, align 16
store <2 x double> %tmp1, <2 x double> addrspace(3)* %y, align 16
ret void
}
; SI-LABEL: {{^}}no_reorder_split_v8i32_global_load_store:
; SI: buffer_load_dwordx4
; SI: buffer_load_dwordx4
; SI: buffer_load_dwordx4
; SI: buffer_load_dwordx4
; SI: buffer_store_dwordx4
; SI: buffer_store_dwordx4
; SI: buffer_store_dwordx4
; SI: buffer_store_dwordx4
; SI: s_endpgm
define void @no_reorder_split_v8i32_global_load_store(<8 x i32> addrspace(1)* nocapture %x, <8 x i32> addrspace(1)* nocapture %y) nounwind {
%tmp1 = load <8 x i32>, <8 x i32> addrspace(1)* %x, align 32
%tmp4 = load <8 x i32>, <8 x i32> addrspace(1)* %y, align 32
store <8 x i32> %tmp4, <8 x i32> addrspace(1)* %x, align 32
store <8 x i32> %tmp1, <8 x i32> addrspace(1)* %y, align 32
ret void
}
; SI-LABEL: {{^}}no_reorder_extload_64:
; SI: ds_read_b64
; SI: ds_read_b64
; SI: ds_write_b64
; SI-NOT: ds_read
; SI: ds_write_b64
; SI: s_endpgm
define void @no_reorder_extload_64(<2 x i32> addrspace(3)* nocapture %x, <2 x i32> addrspace(3)* nocapture %y) nounwind {
%tmp1 = load <2 x i32>, <2 x i32> addrspace(3)* %x, align 8
%tmp4 = load <2 x i32>, <2 x i32> addrspace(3)* %y, align 8
%tmp1ext = zext <2 x i32> %tmp1 to <2 x i64>
%tmp4ext = zext <2 x i32> %tmp4 to <2 x i64>
%tmp7 = add <2 x i64> %tmp1ext, <i64 1, i64 1>
%tmp9 = add <2 x i64> %tmp4ext, <i64 1, i64 1>
%trunctmp9 = trunc <2 x i64> %tmp9 to <2 x i32>
%trunctmp7 = trunc <2 x i64> %tmp7 to <2 x i32>
store <2 x i32> %trunctmp9, <2 x i32> addrspace(3)* %x, align 8
store <2 x i32> %trunctmp7, <2 x i32> addrspace(3)* %y, align 8
ret void
}