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https://github.com/c64scene-ar/llvm-6502.git
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68085c7bef
Vectorize sequential stores of a broadcasted value. 5% on eon. radar://16124699 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202067 91177308-0d34-0410-b5e6-96231b3b80d8
156 lines
6.6 KiB
LLVM
156 lines
6.6 KiB
LLVM
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.8.0"
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; RUN: opt < %s -basicaa -slp-vectorizer -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7 | FileCheck %s
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; CHECK: tiny_tree_fully_vectorizable
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; CHECK: load <2 x double>
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; CHECK: store <2 x double>
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; CHECK: ret
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define void @tiny_tree_fully_vectorizable(double* noalias nocapture %dst, double* noalias nocapture readonly %src, i64 %count) #0 {
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entry:
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%cmp12 = icmp eq i64 %count, 0
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br i1 %cmp12, label %for.end, label %for.body
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for.body: ; preds = %entry, %for.body
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%i.015 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
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%dst.addr.014 = phi double* [ %add.ptr4, %for.body ], [ %dst, %entry ]
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%src.addr.013 = phi double* [ %add.ptr, %for.body ], [ %src, %entry ]
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%0 = load double* %src.addr.013, align 8
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store double %0, double* %dst.addr.014, align 8
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%arrayidx2 = getelementptr inbounds double* %src.addr.013, i64 1
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%1 = load double* %arrayidx2, align 8
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%arrayidx3 = getelementptr inbounds double* %dst.addr.014, i64 1
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store double %1, double* %arrayidx3, align 8
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%add.ptr = getelementptr inbounds double* %src.addr.013, i64 %i.015
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%add.ptr4 = getelementptr inbounds double* %dst.addr.014, i64 %i.015
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%inc = add i64 %i.015, 1
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%exitcond = icmp eq i64 %inc, %count
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body, %entry
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ret void
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}
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; CHECK: tiny_tree_fully_vectorizable2
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; CHECK: load <4 x float>
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; CHECK: store <4 x float>
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; CHECK: ret
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define void @tiny_tree_fully_vectorizable2(float* noalias nocapture %dst, float* noalias nocapture readonly %src, i64 %count) #0 {
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entry:
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%cmp20 = icmp eq i64 %count, 0
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br i1 %cmp20, label %for.end, label %for.body
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for.body: ; preds = %entry, %for.body
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%i.023 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
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%dst.addr.022 = phi float* [ %add.ptr8, %for.body ], [ %dst, %entry ]
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%src.addr.021 = phi float* [ %add.ptr, %for.body ], [ %src, %entry ]
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%0 = load float* %src.addr.021, align 4
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store float %0, float* %dst.addr.022, align 4
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%arrayidx2 = getelementptr inbounds float* %src.addr.021, i64 1
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%1 = load float* %arrayidx2, align 4
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%arrayidx3 = getelementptr inbounds float* %dst.addr.022, i64 1
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store float %1, float* %arrayidx3, align 4
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%arrayidx4 = getelementptr inbounds float* %src.addr.021, i64 2
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%2 = load float* %arrayidx4, align 4
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%arrayidx5 = getelementptr inbounds float* %dst.addr.022, i64 2
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store float %2, float* %arrayidx5, align 4
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%arrayidx6 = getelementptr inbounds float* %src.addr.021, i64 3
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%3 = load float* %arrayidx6, align 4
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%arrayidx7 = getelementptr inbounds float* %dst.addr.022, i64 3
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store float %3, float* %arrayidx7, align 4
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%add.ptr = getelementptr inbounds float* %src.addr.021, i64 %i.023
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%add.ptr8 = getelementptr inbounds float* %dst.addr.022, i64 %i.023
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%inc = add i64 %i.023, 1
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%exitcond = icmp eq i64 %inc, %count
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body, %entry
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ret void
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}
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; We do not vectorize the tiny tree which is not fully vectorizable.
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; CHECK: tiny_tree_not_fully_vectorizable
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; CHECK-NOT: <2 x double>
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; CHECK: ret
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define void @tiny_tree_not_fully_vectorizable(double* noalias nocapture %dst, double* noalias nocapture readonly %src, i64 %count) #0 {
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entry:
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%cmp12 = icmp eq i64 %count, 0
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br i1 %cmp12, label %for.end, label %for.body
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for.body: ; preds = %entry, %for.body
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%i.015 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
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%dst.addr.014 = phi double* [ %add.ptr4, %for.body ], [ %dst, %entry ]
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%src.addr.013 = phi double* [ %add.ptr, %for.body ], [ %src, %entry ]
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%0 = load double* %src.addr.013, align 8
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store double %0, double* %dst.addr.014, align 8
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%arrayidx2 = getelementptr inbounds double* %src.addr.013, i64 2
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%1 = load double* %arrayidx2, align 8
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%arrayidx3 = getelementptr inbounds double* %dst.addr.014, i64 1
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store double %1, double* %arrayidx3, align 8
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%add.ptr = getelementptr inbounds double* %src.addr.013, i64 %i.015
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%add.ptr4 = getelementptr inbounds double* %dst.addr.014, i64 %i.015
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%inc = add i64 %i.015, 1
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%exitcond = icmp eq i64 %inc, %count
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body, %entry
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ret void
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}
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; CHECK: tiny_tree_not_fully_vectorizable2
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; CHECK-NOT: <2 x double>
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; CHECK: ret
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define void @tiny_tree_not_fully_vectorizable2(float* noalias nocapture %dst, float* noalias nocapture readonly %src, i64 %count) #0 {
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entry:
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%cmp20 = icmp eq i64 %count, 0
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br i1 %cmp20, label %for.end, label %for.body
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for.body: ; preds = %entry, %for.body
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%i.023 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
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%dst.addr.022 = phi float* [ %add.ptr8, %for.body ], [ %dst, %entry ]
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%src.addr.021 = phi float* [ %add.ptr, %for.body ], [ %src, %entry ]
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%0 = load float* %src.addr.021, align 4
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store float %0, float* %dst.addr.022, align 4
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%arrayidx2 = getelementptr inbounds float* %src.addr.021, i64 4
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%1 = load float* %arrayidx2, align 4
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%arrayidx3 = getelementptr inbounds float* %dst.addr.022, i64 1
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store float %1, float* %arrayidx3, align 4
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%arrayidx4 = getelementptr inbounds float* %src.addr.021, i64 2
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%2 = load float* %arrayidx4, align 4
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%arrayidx5 = getelementptr inbounds float* %dst.addr.022, i64 2
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store float %2, float* %arrayidx5, align 4
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%arrayidx6 = getelementptr inbounds float* %src.addr.021, i64 3
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%3 = load float* %arrayidx6, align 4
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%arrayidx7 = getelementptr inbounds float* %dst.addr.022, i64 3
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store float %3, float* %arrayidx7, align 4
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%add.ptr = getelementptr inbounds float* %src.addr.021, i64 %i.023
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%add.ptr8 = getelementptr inbounds float* %dst.addr.022, i64 %i.023
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%inc = add i64 %i.023, 1
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%exitcond = icmp eq i64 %inc, %count
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body, %entry
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ret void
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}
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; CHECK-LABEL: store_splat
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; CHECK: store <4 x float>
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define void @store_splat(float*, float) {
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%3 = getelementptr inbounds float* %0, i64 0
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store float %1, float* %3, align 4
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%4 = getelementptr inbounds float* %0, i64 1
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store float %1, float* %4, align 4
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%5 = getelementptr inbounds float* %0, i64 2
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store float %1, float* %5, align 4
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%6 = getelementptr inbounds float* %0, i64 3
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store float %1, float* %6, align 4
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ret void
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}
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