R600: Expand SUB for v2i32/v4i32

Patch by: Aaron Watry

Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
Signed-off-by: Aaron Watry <awatry@gmail.com>

NOTE: This is a candidate for the 3.3 branch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181579 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tom Stellard 2013-05-10 02:09:39 +00:00
parent 6c40d40d70
commit dde6836456
2 changed files with 17 additions and 0 deletions

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@ -54,6 +54,8 @@ R600TargetLowering::R600TargetLowering(TargetMachine &TM) :
setOperationAction(ISD::SRL, MVT::v2i32, Expand);
setOperationAction(ISD::SRA, MVT::v4i32, Expand);
setOperationAction(ISD::SRA, MVT::v2i32, Expand);
setOperationAction(ISD::SUB, MVT::v4i32, Expand);
setOperationAction(ISD::SUB, MVT::v2i32, Expand);
setOperationAction(ISD::UINT_TO_FP, MVT::v4i32, Expand);
setOperationAction(ISD::UDIV, MVT::v4i32, Expand);
setOperationAction(ISD::UREM, MVT::v4i32, Expand);

15
test/CodeGen/R600/sub.ll Normal file
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@ -0,0 +1,15 @@
;RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
;CHECK: SUB_INT T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
;CHECK: SUB_INT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
;CHECK: SUB_INT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
;CHECK: SUB_INT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
define void @test(<4 x i32> addrspace(1)* %out, <4 x i32> addrspace(1)* %in) {
%b_ptr = getelementptr <4 x i32> addrspace(1)* %in, i32 1
%a = load <4 x i32> addrspace(1) * %in
%b = load <4 x i32> addrspace(1) * %b_ptr
%result = sub <4 x i32> %a, %b
store <4 x i32> %result, <4 x i32> addrspace(1)* %out
ret void
}