3121334d32
The jumbled scalar loads will be sorted while building the tree and these accesses will be marked to generate shufflevector after the vectorized load with proper mask. Reviewers: hfinkel, mssimpso, mkuper Differential Revision: https://reviews.llvm.org/D26905 Change-Id: I9c0c8e6f91a00076a7ee1465440a3f6ae092f7ad llvm-svn: 293386
81 lines
4.0 KiB
LLVM
81 lines
4.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -slp-vectorizer -S -mtriple=x86_64-apple-macosx10.10.0 -mattr=+sse4.2 | FileCheck %s
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define i32 @test(i32* nocapture readonly %p) {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[ARRAYIDX_1:%.*]] = getelementptr inbounds i32, i32* %p, i64 1
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; CHECK-NEXT: [[ARRAYIDX_2:%.*]] = getelementptr inbounds i32, i32* %p, i64 2
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; CHECK-NEXT: [[ARRAYIDX_3:%.*]] = getelementptr inbounds i32, i32* %p, i64 3
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; CHECK-NEXT: [[ARRAYIDX_4:%.*]] = getelementptr inbounds i32, i32* %p, i64 4
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; CHECK-NEXT: [[ARRAYIDX_5:%.*]] = getelementptr inbounds i32, i32* %p, i64 5
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; CHECK-NEXT: [[ARRAYIDX_6:%.*]] = getelementptr inbounds i32, i32* %p, i64 6
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; CHECK-NEXT: [[ARRAYIDX_7:%.*]] = getelementptr inbounds i32, i32* %p, i64 7
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; CHECK-NEXT: br label %for.body
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; CHECK: for.body:
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; CHECK-NEXT: [[SUM:%.*]] = phi i32 [ 0, %entry ], [ %add.7, %for.body ]
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; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* %p to <8 x i32>*
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; CHECK-NEXT: [[TMP1:%.*]] = load <8 x i32>, <8 x i32>* [[TMP0]], align 4
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; CHECK-NEXT: [[TMP2:%.*]] = mul <8 x i32> <i32 42, i32 42, i32 42, i32 42, i32 42, i32 42, i32 42, i32 42>, [[TMP1]]
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; CHECK-NEXT: [[ADD:%.*]] = add i32 undef, [[SUM]]
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; CHECK-NEXT: [[ADD_1:%.*]] = add i32 undef, [[ADD]]
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; CHECK-NEXT: [[ADD_2:%.*]] = add i32 undef, [[ADD_1]]
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; CHECK-NEXT: [[ADD_3:%.*]] = add i32 undef, [[ADD_2]]
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; CHECK-NEXT: [[ADD_4:%.*]] = add i32 undef, [[ADD_3]]
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; CHECK-NEXT: [[ADD_5:%.*]] = add i32 undef, [[ADD_4]]
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; CHECK-NEXT: [[ADD_6:%.*]] = add i32 undef, [[ADD_5]]
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; CHECK-NEXT: [[RDX_SHUF:%.*]] = shufflevector <8 x i32> [[TMP2]], <8 x i32> undef, <8 x i32> <i32 4, i32 5, i32 6, i32 7, i32 undef, i32 undef, i32 undef, i32 undef>
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; CHECK-NEXT: [[BIN_RDX:%.*]] = add <8 x i32> [[TMP2]], [[RDX_SHUF]]
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; CHECK-NEXT: [[RDX_SHUF1:%.*]] = shufflevector <8 x i32> [[BIN_RDX]], <8 x i32> undef, <8 x i32> <i32 2, i32 3, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
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; CHECK-NEXT: [[BIN_RDX2:%.*]] = add <8 x i32> [[BIN_RDX]], [[RDX_SHUF1]]
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; CHECK-NEXT: [[RDX_SHUF3:%.*]] = shufflevector <8 x i32> [[BIN_RDX2]], <8 x i32> undef, <8 x i32> <i32 1, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
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; CHECK-NEXT: [[BIN_RDX4:%.*]] = add <8 x i32> [[BIN_RDX2]], [[RDX_SHUF3]]
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; CHECK-NEXT: [[TMP4:%.*]] = extractelement <8 x i32> [[BIN_RDX4]], i32 0
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; CHECK-NEXT: [[ADD_7:%.*]] = add i32 [[TMP4]], [[SUM]]
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; CHECK-NEXT: br i1 true, label %for.end, label %for.body
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; CHECK: for.end:
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; CHECK-NEXT: ret i32 [[ADD_7]]
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;
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entry:
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%arrayidx.1 = getelementptr inbounds i32, i32* %p, i64 1
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%arrayidx.2 = getelementptr inbounds i32, i32* %p, i64 2
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%arrayidx.3 = getelementptr inbounds i32, i32* %p, i64 3
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%arrayidx.4 = getelementptr inbounds i32, i32* %p, i64 4
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%arrayidx.5 = getelementptr inbounds i32, i32* %p, i64 5
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%arrayidx.6 = getelementptr inbounds i32, i32* %p, i64 6
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%arrayidx.7 = getelementptr inbounds i32, i32* %p, i64 7
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br label %for.body
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for.body:
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%sum = phi i32 [ 0, %entry ], [ %add.7, %for.body ]
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%tmp = load i32, i32* %p, align 4
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%mul = mul i32 %tmp, 42
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%add = add i32 %mul, %sum
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%tmp5 = load i32, i32* %arrayidx.1, align 4
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%mul.1 = mul i32 %tmp5, 42
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%add.1 = add i32 %mul.1, %add
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%tmp6 = load i32, i32* %arrayidx.2, align 4
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%mul.2 = mul i32 %tmp6, 42
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%add.2 = add i32 %mul.2, %add.1
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%tmp7 = load i32, i32* %arrayidx.3, align 4
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%mul.3 = mul i32 %tmp7, 42
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%add.3 = add i32 %mul.3, %add.2
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%tmp8 = load i32, i32* %arrayidx.4, align 4
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%mul.4 = mul i32 %tmp8, 42
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%add.4 = add i32 %mul.4, %add.3
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%tmp9 = load i32, i32* %arrayidx.5, align 4
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%mul.5 = mul i32 %tmp9, 42
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%add.5 = add i32 %mul.5, %add.4
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%tmp10 = load i32, i32* %arrayidx.6, align 4
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%mul.6 = mul i32 %tmp10, 42
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%add.6 = add i32 %mul.6, %add.5
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%tmp11 = load i32, i32* %arrayidx.7, align 4
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%mul.7 = mul i32 %tmp11, 42
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%add.7 = add i32 %mul.7, %add.6
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br i1 true, label %for.end, label %for.body
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for.end:
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ret i32 %add.7
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}
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