From: Matt Arsenault <Matthew.Arsenault@amd.com>
Date: Sun, 23 Nov 2014 02:57:54 +0000 (+0000)
Subject: R600: Fix extloads of i1 on R600/Evergreen
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=commitdiff_plain;h=4f5aa5994e1ace1da714bd2faacfc8f0dbaef4f7

R600: Fix extloads of i1 on R600/Evergreen

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222631 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/R600/R600ISelLowering.cpp b/lib/Target/R600/R600ISelLowering.cpp
index a214e533b1a..e22f38567d5 100644
--- a/lib/Target/R600/R600ISelLowering.cpp
+++ b/lib/Target/R600/R600ISelLowering.cpp
@@ -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);
 
diff --git a/test/CodeGen/R600/load-i1.ll b/test/CodeGen/R600/load-i1.ll
index cc8a8829a98..244e1c9689a 100644
--- a/test/CodeGen/R600/load-i1.ll
+++ b/test/CodeGen/R600/load-i1.ll
@@ -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