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R600/SI: Extend private extload pattern to include zext loads

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llvm-svn: 229507
This commit is contained in:
Tom Stellard 2015-02-17 16:36:00 +00:00
parent cda3605b43
commit 521960e294
2 changed files with 52 additions and 4 deletions
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10
lib/Target/R600/AMDGPUInstructions.td
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@ -164,10 +164,6 @@ class PrivateStore <SDPatternOperator op> : PrivateMemOp <
(ops node:$value, node:$ptr), (op node:$value, node:$ptr)
>;
def extloadi8_private : PrivateLoad <extloadi8>;
def sextloadi8_private : PrivateLoad <sextloadi8>;
def extloadi16_private : PrivateLoad <extloadi16>;
def sextloadi16_private : PrivateLoad <sextloadi16>;
def load_private : PrivateLoad <load>;
def truncstorei8_private : PrivateStore <truncstorei8>;
@ -231,6 +227,9 @@ def sextloadi8_local : PatFrag<(ops node:$ptr), (sextloadi8 node:$ptr), [{
return isLocalLoad(dyn_cast<LoadSDNode>(N));
}]>;
def extloadi8_private : PrivateLoad <az_extloadi8>;
def sextloadi8_private : PrivateLoad <sextloadi8>;
def az_extloadi16 : PatFrag<(ops node:$ptr), (az_extload node:$ptr), [{
return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i16;
}]>;
@ -267,6 +266,9 @@ def sextloadi16_local : PatFrag<(ops node:$ptr), (sextloadi16 node:$ptr), [{
return isLocalLoad(dyn_cast<LoadSDNode>(N));
}]>;
def extloadi16_private : PrivateLoad <az_extloadi16>;
def sextloadi16_private : PrivateLoad <sextloadi16>;
def az_extloadi32 : PatFrag<(ops node:$ptr), (az_extload node:$ptr), [{
return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i32;
}]>;

46
test/CodeGen/R600/extload-private.ll Normal file
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@ -0,0 +1,46 @@
; RUN: llc < %s -march=amdgcn -mcpu=SI -mattr=-promote-alloca -verify-machineinstrs | FileCheck --check-prefix=SI --check-prefix=FUNC %s
; RUN: llc < %s -march=amdgcn -mcpu=tonga -mattr=-promote-alloca -verify-machineinstrs | FileCheck --check-prefix=SI --check-prefix=FUNC %s
; FUNC-LABEL: {{^}}load_i8_sext_private:
; SI: buffer_load_sbyte v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen
define void @load_i8_sext_private(i32 addrspace(1)* %out) {
entry:
%tmp0 = alloca i8
%tmp1 = load i8* %tmp0
%tmp2 = sext i8 %tmp1 to i32
store i32 %tmp2, i32 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}load_i8_zext_private:
; SI: buffer_load_ubyte v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen
define void @load_i8_zext_private(i32 addrspace(1)* %out) {
entry:
%tmp0 = alloca i8
%tmp1 = load i8* %tmp0
%tmp2 = zext i8 %tmp1 to i32
store i32 %tmp2, i32 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}load_i16_sext_private:
; SI: buffer_load_sshort v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen
define void @load_i16_sext_private(i32 addrspace(1)* %out) {
entry:
%tmp0 = alloca i16
%tmp1 = load i16* %tmp0
%tmp2 = sext i16 %tmp1 to i32
store i32 %tmp2, i32 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}load_i16_zext_private:
; SI: buffer_load_ushort v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen
define void @load_i16_zext_private(i32 addrspace(1)* %out) {
entry:
%tmp0 = alloca i16
%tmp1 = load i16* %tmp0
%tmp2 = zext i16 %tmp1 to i32
store i32 %tmp2, i32 addrspace(1)* %out
ret void
}