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https://github.com/c64scene-ar/llvm-6502.git
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d16c8d0d33
shuffle node because it could introduce new shuffle nodes that were not supported efficiently by the target. 2. Add a more restrictive shuffle-of-shuffle optimization for cases where the second shuffle reverses the transformation of the first shuffle. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154266 91177308-0d34-0410-b5e6-96231b3b80d8
33 lines
1.7 KiB
LLVM
33 lines
1.7 KiB
LLVM
; RUN: llc < %s -mtriple=i686-linux -mcpu=penryn | FileCheck %s
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declare <4 x float> @llvm.x86.sse41.blendvps(<4 x float>, <4 x float>, <4 x float>) nounwind readnone
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declare <8 x i16> @llvm.x86.sse41.packusdw(<4 x i32>, <4 x i32>) nounwind readnone
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declare <4 x i32> @llvm.x86.sse41.pmaxsd(<4 x i32>, <4 x i32>) nounwind readnone
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define void @blackDespeckle_wrapper(i8** %args_list, i64* %gtid, i64 %xend) {
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entry:
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; CHECK: cfi_def_cfa_offset
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; CHECK-NOT: set
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; CHECK: movzwl
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; CHECK: movzwl
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; CHECK: pshufd
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; CHECK: pshufb
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%shr.i = ashr <4 x i32> zeroinitializer, <i32 3, i32 3, i32 3, i32 3> ; <<4 x i32>> [#uses=1]
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%cmp318.i = sext <4 x i1> zeroinitializer to <4 x i32> ; <<4 x i32>> [#uses=1]
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%sub322.i = sub <4 x i32> %shr.i, zeroinitializer ; <<4 x i32>> [#uses=1]
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%cmp323.x = icmp slt <4 x i32> zeroinitializer, %sub322.i ; <<4 x i1>> [#uses=1]
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%cmp323.i = sext <4 x i1> %cmp323.x to <4 x i32> ; <<4 x i32>> [#uses=1]
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%or.i = or <4 x i32> %cmp318.i, %cmp323.i ; <<4 x i32>> [#uses=1]
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%tmp10.i83.i = bitcast <4 x i32> %or.i to <4 x float> ; <<4 x float>> [#uses=1]
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%0 = call <4 x float> @llvm.x86.sse41.blendvps(<4 x float> undef, <4 x float> undef, <4 x float> %tmp10.i83.i) nounwind ; <<4 x float>> [#uses=1]
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%conv.i.i15.i = bitcast <4 x float> %0 to <4 x i32> ; <<4 x i32>> [#uses=1]
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%swz.i.i28.i = shufflevector <4 x i32> %conv.i.i15.i, <4 x i32> undef, <2 x i32> <i32 0, i32 1> ; <<2 x i32>> [#uses=1]
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%tmp6.i29.i = bitcast <2 x i32> %swz.i.i28.i to <4 x i16> ; <<4 x i16>> [#uses=1]
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%swz.i30.i = shufflevector <4 x i16> %tmp6.i29.i, <4 x i16> undef, <2 x i32> <i32 0, i32 1> ; <<2 x i16>> [#uses=1]
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store <2 x i16> %swz.i30.i, <2 x i16>* undef
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unreachable
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ret void
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}
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