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https://github.com/RPCS3/llvm.git
synced 2026-07-18 21:24:32 -04:00
Eric Christopher
598198edbc
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@358552 91177308-0d34-0410-b5e6-96231b3b80d8
55 lines
2.0 KiB
LLVM
55 lines
2.0 KiB
LLVM
; This test checks that the given loop still beneficial for vecotization
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; even if it contains scalarized load (gather on AVX2)
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;RUN: opt < %s -loop-vectorize -S -o - | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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; Function Attrs: norecurse nounwind readonly uwtable
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define i32 @matrix_row_col([100 x i32]* nocapture readonly %data, i32 %i, i32 %j) local_unnamed_addr #0 {
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entry:
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%idxprom = sext i32 %i to i64
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%idxprom5 = sext i32 %j to i64
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br label %for.body
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for.cond.cleanup: ; preds = %for.body
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ret i32 %add7
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for.body: ; preds = %for.body, %entry
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; the loop gets vectorized
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; first consecutive load as vector load
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; CHECK: %wide.load = load <8 x i32>
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; second strided load scalarized
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; CHECK: load i32
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; CHECK: load i32
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; CHECK: load i32
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; CHECK: load i32
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; CHECK: load i32
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; CHECK: load i32
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; CHECK: load i32
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; CHECK: load i32
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%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
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%sum.015 = phi i32 [ 0, %entry ], [ %add7, %for.body ]
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%arrayidx2 = getelementptr inbounds [100 x i32], [100 x i32]* %data, i64 %idxprom, i64 %indvars.iv
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%0 = load i32, i32* %arrayidx2, align 4, !tbaa !1
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%arrayidx6 = getelementptr inbounds [100 x i32], [100 x i32]* %data, i64 %indvars.iv, i64 %idxprom5
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%1 = load i32, i32* %arrayidx6, align 4, !tbaa !1
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%mul = mul nsw i32 %1, %0
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%add = add i32 %sum.015, 4
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%add7 = add i32 %add, %mul
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%exitcond = icmp eq i64 %indvars.iv.next, 100
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br i1 %exitcond, label %for.cond.cleanup, label %for.body
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}
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attributes #0 = { "target-cpu"="core-avx2" "target-features"="+avx,+avx2,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3" }
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!llvm.ident = !{!0}
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!0 = !{!"clang version 4.0.0 (cfe/trunk 284570)"}
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!1 = !{!2, !2, i64 0}
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!2 = !{!"int", !3, i64 0}
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!3 = !{!"omnipotent char", !4, i64 0}
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!4 = !{!"Simple C/C++ TBAA"}
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