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R600: Fix extloads of i1 on R600/Evergreen 

llvm-svn: 222631
This commit is contained in:
Matt Arsenault 2014-11-23 02:57:54 +00:00
parent 28638f1e2c
commit 2a495975ed
2 changed files with 33 additions and 13 deletions
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5
llvm/lib/Target/R600/R600ISelLowering.cpp
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@ -122,10 +122,15 @@ R600TargetLowering::R600TargetLowering(TargetMachine &TM) :
// EXTLOAD should be the same as ZEXTLOAD. It is legal for some address
// spaces, so it is custom lowered to handle those where it isn't.
setLoadExtAction(ISD::SEXTLOAD, MVT::i1, Promote);
setLoadExtAction(ISD::SEXTLOAD, MVT::i8, Custom);
setLoadExtAction(ISD::SEXTLOAD, MVT::i16, Custom);
setLoadExtAction(ISD::ZEXTLOAD, MVT::i1, Promote);
setLoadExtAction(ISD::ZEXTLOAD, MVT::i8, Custom);
setLoadExtAction(ISD::ZEXTLOAD, MVT::i16, Custom);
setLoadExtAction(ISD::EXTLOAD, MVT::i1, Promote);
setLoadExtAction(ISD::EXTLOAD, MVT::i8, Custom);
setLoadExtAction(ISD::EXTLOAD, MVT::i16, Custom);

41
llvm/test/CodeGen/R600/load-i1.ll
View File

@ -1,43 +1,57 @@
; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs< %s | FileCheck -check-prefix=SI %s
; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
; SI-LABEL: {{^}}global_copy_i1_to_i1:
; FUNC-LABEL: {{^}}global_copy_i1_to_i1:
; SI: buffer_load_ubyte
; SI: v_and_b32_e32 v{{[0-9]+}}, 1
; SI: buffer_store_byte
; SI: s_endpgm
; EG: VTX_READ_8
; EG: AND_INT
define void @global_copy_i1_to_i1(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
%load = load i1 addrspace(1)* %in
store i1 %load, i1 addrspace(1)* %out, align 1
ret void
}
; SI-LABEL: {{^}}local_copy_i1_to_i1:
; FUNC-LABEL: {{^}}local_copy_i1_to_i1:
; SI: ds_read_u8
; SI: v_and_b32_e32 v{{[0-9]+}}, 1
; SI: ds_write_b8
; SI: s_endpgm
; EG: LDS_UBYTE_READ_RET
; EG: AND_INT
; EG: LDS_BYTE_WRITE
define void @local_copy_i1_to_i1(i1 addrspace(3)* %out, i1 addrspace(3)* %in) nounwind {
%load = load i1 addrspace(3)* %in
store i1 %load, i1 addrspace(3)* %out, align 1
ret void
}
; SI-LABEL: {{^}}constant_copy_i1_to_i1:
; FUNC-LABEL: {{^}}constant_copy_i1_to_i1:
; SI: buffer_load_ubyte
; SI: v_and_b32_e32 v{{[0-9]+}}, 1
; SI: buffer_store_byte
; SI: s_endpgm
; EG: VTX_READ_8
; EG: AND_INT
define void @constant_copy_i1_to_i1(i1 addrspace(1)* %out, i1 addrspace(2)* %in) nounwind {
%load = load i1 addrspace(2)* %in
store i1 %load, i1 addrspace(1)* %out, align 1
ret void
}
; SI-LABEL: {{^}}global_sextload_i1_to_i32:
; FUNC-LABEL: {{^}}global_sextload_i1_to_i32:
; SI: buffer_load_ubyte
; SI: v_bfe_i32
; SI: buffer_store_dword
; SI: s_endpgm
; EG: VTX_READ_8
; EG: BFE_INT
define void @global_sextload_i1_to_i32(i32 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
%load = load i1 addrspace(1)* %in
%ext = sext i1 %load to i32
@ -45,10 +59,11 @@ define void @global_sextload_i1_to_i32(i32 addrspace(1)* %out, i1 addrspace(1)*
ret void
}
; SI-LABEL: {{^}}global_zextload_i1_to_i32:
; FUNC-LABEL: {{^}}global_zextload_i1_to_i32:
; SI: buffer_load_ubyte
; SI: buffer_store_dword
; SI: s_endpgm
define void @global_zextload_i1_to_i32(i32 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
%load = load i1 addrspace(1)* %in
%ext = zext i1 %load to i32
@ -56,7 +71,7 @@ define void @global_zextload_i1_to_i32(i32 addrspace(1)* %out, i1 addrspace(1)*
ret void
}
; SI-LABEL: {{^}}global_sextload_i1_to_i64:
; FUNC-LABEL: {{^}}global_sextload_i1_to_i64:
; SI: buffer_load_ubyte
; SI: v_bfe_i32
; SI: buffer_store_dwordx2
@ -68,7 +83,7 @@ define void @global_sextload_i1_to_i64(i64 addrspace(1)* %out, i1 addrspace(1)*
ret void
}
; SI-LABEL: {{^}}global_zextload_i1_to_i64:
; FUNC-LABEL: {{^}}global_zextload_i1_to_i64:
; SI: buffer_load_ubyte
; SI: v_mov_b32_e32 {{v[0-9]+}}, 0
; SI: buffer_store_dwordx2
@ -80,7 +95,7 @@ define void @global_zextload_i1_to_i64(i64 addrspace(1)* %out, i1 addrspace(1)*
ret void
}
; SI-LABEL: {{^}}i1_arg:
; FUNC-LABEL: {{^}}i1_arg:
; SI: buffer_load_ubyte
; SI: v_and_b32_e32
; SI: buffer_store_byte
@ -90,7 +105,7 @@ define void @i1_arg(i1 addrspace(1)* %out, i1 %x) nounwind {
ret void
}
; SI-LABEL: {{^}}i1_arg_zext_i32:
; FUNC-LABEL: {{^}}i1_arg_zext_i32:
; SI: buffer_load_ubyte
; SI: buffer_store_dword
; SI: s_endpgm
@ -100,7 +115,7 @@ define void @i1_arg_zext_i32(i32 addrspace(1)* %out, i1 %x) nounwind {
ret void
}
; SI-LABEL: {{^}}i1_arg_zext_i64:
; FUNC-LABEL: {{^}}i1_arg_zext_i64:
; SI: buffer_load_ubyte
; SI: buffer_store_dwordx2
; SI: s_endpgm
@ -110,7 +125,7 @@ define void @i1_arg_zext_i64(i64 addrspace(1)* %out, i1 %x) nounwind {
ret void
}
; SI-LABEL: {{^}}i1_arg_sext_i32:
; FUNC-LABEL: {{^}}i1_arg_sext_i32:
; SI: buffer_load_ubyte
; SI: buffer_store_dword
; SI: s_endpgm
@ -120,7 +135,7 @@ define void @i1_arg_sext_i32(i32 addrspace(1)* %out, i1 %x) nounwind {
ret void
}
; SI-LABEL: {{^}}i1_arg_sext_i64:
; FUNC-LABEL: {{^}}i1_arg_sext_i64:
; SI: buffer_load_ubyte
; SI: v_bfe_i32
; SI: v_ashrrev_i32