mirror of
https://github.com/c64scene-ar/llvm-6502.git
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0ef0e2e6d0
For example on x86 with SSE4.2 a <8 x i8> add reduction becomes movdqa %xmm0, %xmm1 movhlps %xmm1, %xmm1 ## xmm1 = xmm1[1,1] paddw %xmm0, %xmm1 pshufd $1, %xmm1, %xmm0 ## xmm0 = xmm1[1,0,0,0] paddw %xmm1, %xmm0 phaddw %xmm0, %xmm0 pextrb $0, %xmm0, %edx instead of pextrb $2, %xmm0, %esi pextrb $0, %xmm0, %edx addb %sil, %dl pextrb $4, %xmm0, %esi addb %dl, %sil pextrb $6, %xmm0, %edx addb %sil, %dl pextrb $8, %xmm0, %esi addb %dl, %sil pextrb $10, %xmm0, %edi pextrb $14, %xmm0, %edx addb %sil, %dil pextrb $12, %xmm0, %esi addb %dil, %sil addb %sil, %dl git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170439 91177308-0d34-0410-b5e6-96231b3b80d8
273 lines
11 KiB
LLVM
273 lines
11 KiB
LLVM
; RUN: opt < %s -loop-vectorize -force-vector-width=4 -dce -instcombine -licm -S | FileCheck %s
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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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;CHECK: @reduction_sum
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;CHECK: phi <4 x i32>
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;CHECK: load <4 x i32>
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;CHECK: add <4 x i32>
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;CHECK: shufflevector <4 x i32> %{{.*}}, <4 x i32> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
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;CHECK: add <4 x i32>
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;CHECK: shufflevector <4 x i32> %{{.*}}, <4 x i32> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
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;CHECK: add <4 x i32>
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;CHECK: extractelement <4 x i32> %{{.*}}, i32 0
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;CHECK: ret i32
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define i32 @reduction_sum(i32 %n, i32* noalias nocapture %A, i32* noalias nocapture %B) nounwind uwtable readonly noinline ssp {
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%1 = icmp sgt i32 %n, 0
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br i1 %1, label %.lr.ph, label %._crit_edge
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.lr.ph: ; preds = %0, %.lr.ph
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%indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
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%sum.02 = phi i32 [ %9, %.lr.ph ], [ 0, %0 ]
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%2 = getelementptr inbounds i32* %A, i64 %indvars.iv
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%3 = load i32* %2, align 4
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%4 = getelementptr inbounds i32* %B, i64 %indvars.iv
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%5 = load i32* %4, align 4
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%6 = trunc i64 %indvars.iv to i32
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%7 = add i32 %sum.02, %6
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%8 = add i32 %7, %3
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%9 = add i32 %8, %5
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%indvars.iv.next = add i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, %n
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br i1 %exitcond, label %._crit_edge, label %.lr.ph
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._crit_edge: ; preds = %.lr.ph, %0
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%sum.0.lcssa = phi i32 [ 0, %0 ], [ %9, %.lr.ph ]
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ret i32 %sum.0.lcssa
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}
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;CHECK: @reduction_prod
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;CHECK: phi <4 x i32>
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;CHECK: load <4 x i32>
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;CHECK: mul <4 x i32>
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;CHECK: shufflevector <4 x i32> %{{.*}}, <4 x i32> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
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;CHECK: mul <4 x i32>
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;CHECK: shufflevector <4 x i32> %{{.*}}, <4 x i32> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
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;CHECK: mul <4 x i32>
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;CHECK: extractelement <4 x i32> %{{.*}}, i32 0
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;CHECK: ret i32
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define i32 @reduction_prod(i32 %n, i32* noalias nocapture %A, i32* noalias nocapture %B) nounwind uwtable readonly noinline ssp {
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%1 = icmp sgt i32 %n, 0
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br i1 %1, label %.lr.ph, label %._crit_edge
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.lr.ph: ; preds = %0, %.lr.ph
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%indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
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%prod.02 = phi i32 [ %9, %.lr.ph ], [ 1, %0 ]
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%2 = getelementptr inbounds i32* %A, i64 %indvars.iv
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%3 = load i32* %2, align 4
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%4 = getelementptr inbounds i32* %B, i64 %indvars.iv
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%5 = load i32* %4, align 4
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%6 = trunc i64 %indvars.iv to i32
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%7 = mul i32 %prod.02, %6
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%8 = mul i32 %7, %3
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%9 = mul i32 %8, %5
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%indvars.iv.next = add i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, %n
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br i1 %exitcond, label %._crit_edge, label %.lr.ph
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._crit_edge: ; preds = %.lr.ph, %0
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%prod.0.lcssa = phi i32 [ 1, %0 ], [ %9, %.lr.ph ]
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ret i32 %prod.0.lcssa
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}
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;CHECK: @reduction_mix
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;CHECK: phi <4 x i32>
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;CHECK: load <4 x i32>
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;CHECK: mul nsw <4 x i32>
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;CHECK: shufflevector <4 x i32> %{{.*}}, <4 x i32> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
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;CHECK: add <4 x i32>
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;CHECK: shufflevector <4 x i32> %{{.*}}, <4 x i32> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
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;CHECK: add <4 x i32>
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;CHECK: extractelement <4 x i32> %{{.*}}, i32 0
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;CHECK: ret i32
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define i32 @reduction_mix(i32 %n, i32* noalias nocapture %A, i32* noalias nocapture %B) nounwind uwtable readonly noinline ssp {
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%1 = icmp sgt i32 %n, 0
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br i1 %1, label %.lr.ph, label %._crit_edge
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.lr.ph: ; preds = %0, %.lr.ph
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%indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
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%sum.02 = phi i32 [ %9, %.lr.ph ], [ 0, %0 ]
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%2 = getelementptr inbounds i32* %A, i64 %indvars.iv
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%3 = load i32* %2, align 4
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%4 = getelementptr inbounds i32* %B, i64 %indvars.iv
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%5 = load i32* %4, align 4
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%6 = mul nsw i32 %5, %3
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%7 = trunc i64 %indvars.iv to i32
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%8 = add i32 %sum.02, %7
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%9 = add i32 %8, %6
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%indvars.iv.next = add i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, %n
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br i1 %exitcond, label %._crit_edge, label %.lr.ph
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._crit_edge: ; preds = %.lr.ph, %0
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%sum.0.lcssa = phi i32 [ 0, %0 ], [ %9, %.lr.ph ]
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ret i32 %sum.0.lcssa
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}
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;CHECK: @reduction_mul
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;CHECK: mul <4 x i32>
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;CHECK: shufflevector <4 x i32> %{{.*}}, <4 x i32> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
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;CHECK: mul <4 x i32>
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;CHECK: shufflevector <4 x i32> %{{.*}}, <4 x i32> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
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;CHECK: mul <4 x i32>
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;CHECK: extractelement <4 x i32> %{{.*}}, i32 0
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;CHECK: ret i32
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define i32 @reduction_mul(i32 %n, i32* noalias nocapture %A, i32* noalias nocapture %B) nounwind uwtable readonly noinline ssp {
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%1 = icmp sgt i32 %n, 0
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br i1 %1, label %.lr.ph, label %._crit_edge
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.lr.ph: ; preds = %0, %.lr.ph
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%indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
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%sum.02 = phi i32 [ %9, %.lr.ph ], [ 19, %0 ]
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%2 = getelementptr inbounds i32* %A, i64 %indvars.iv
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%3 = load i32* %2, align 4
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%4 = getelementptr inbounds i32* %B, i64 %indvars.iv
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%5 = load i32* %4, align 4
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%6 = trunc i64 %indvars.iv to i32
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%7 = add i32 %3, %6
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%8 = add i32 %7, %5
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%9 = mul i32 %8, %sum.02
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%indvars.iv.next = add i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, %n
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br i1 %exitcond, label %._crit_edge, label %.lr.ph
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._crit_edge: ; preds = %.lr.ph, %0
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%sum.0.lcssa = phi i32 [ 0, %0 ], [ %9, %.lr.ph ]
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ret i32 %sum.0.lcssa
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}
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;CHECK: @start_at_non_zero
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;CHECK: phi <4 x i32>
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;CHECK: <i32 120, i32 0, i32 0, i32 0>
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;CHECK: shufflevector <4 x i32> %{{.*}}, <4 x i32> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
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;CHECK: add <4 x i32>
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;CHECK: shufflevector <4 x i32> %{{.*}}, <4 x i32> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
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;CHECK: add <4 x i32>
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;CHECK: extractelement <4 x i32> %{{.*}}, i32 0
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;CHECK: ret i32
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define i32 @start_at_non_zero(i32* nocapture %in, i32* nocapture %coeff, i32* nocapture %out, i32 %n) nounwind uwtable readonly ssp {
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entry:
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%cmp7 = icmp sgt i32 %n, 0
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br i1 %cmp7, label %for.body, label %for.end
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for.body: ; preds = %entry, %for.body
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
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%sum.09 = phi i32 [ %add, %for.body ], [ 120, %entry ]
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%arrayidx = getelementptr inbounds i32* %in, i64 %indvars.iv
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%0 = load i32* %arrayidx, align 4
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%arrayidx2 = getelementptr inbounds i32* %coeff, i64 %indvars.iv
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%1 = load i32* %arrayidx2, align 4
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%mul = mul nsw i32 %1, %0
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%add = add nsw i32 %mul, %sum.09
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%indvars.iv.next = add i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, %n
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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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%sum.0.lcssa = phi i32 [ 120, %entry ], [ %add, %for.body ]
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ret i32 %sum.0.lcssa
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}
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;CHECK: @reduction_and
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;CHECK: and <4 x i32>
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;CHECK: <i32 -1, i32 -1, i32 -1, i32 -1>
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;CHECK: shufflevector <4 x i32> %{{.*}}, <4 x i32> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
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;CHECK: and <4 x i32>
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;CHECK: shufflevector <4 x i32> %{{.*}}, <4 x i32> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
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;CHECK: and <4 x i32>
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;CHECK: extractelement <4 x i32> %{{.*}}, i32 0
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;CHECK: ret i32
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define i32 @reduction_and(i32 %n, i32* nocapture %A, i32* nocapture %B) nounwind uwtable readonly {
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entry:
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%cmp7 = icmp sgt i32 %n, 0
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br i1 %cmp7, label %for.body, label %for.end
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for.body: ; preds = %entry, %for.body
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
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%result.08 = phi i32 [ %and, %for.body ], [ -1, %entry ]
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%arrayidx = getelementptr inbounds i32* %A, i64 %indvars.iv
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%0 = load i32* %arrayidx, align 4
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%arrayidx2 = getelementptr inbounds i32* %B, i64 %indvars.iv
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%1 = load i32* %arrayidx2, align 4
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%add = add nsw i32 %1, %0
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%and = and i32 %add, %result.08
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%indvars.iv.next = add i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, %n
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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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%result.0.lcssa = phi i32 [ -1, %entry ], [ %and, %for.body ]
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ret i32 %result.0.lcssa
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}
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;CHECK: @reduction_or
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;CHECK: or <4 x i32>
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;CHECK: shufflevector <4 x i32> %{{.*}}, <4 x i32> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
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;CHECK: or <4 x i32>
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;CHECK: shufflevector <4 x i32> %{{.*}}, <4 x i32> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
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;CHECK: or <4 x i32>
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;CHECK: extractelement <4 x i32> %{{.*}}, i32 0
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;CHECK: ret i32
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define i32 @reduction_or(i32 %n, i32* nocapture %A, i32* nocapture %B) nounwind uwtable readonly {
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entry:
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%cmp7 = icmp sgt i32 %n, 0
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br i1 %cmp7, label %for.body, label %for.end
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for.body: ; preds = %entry, %for.body
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
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%result.08 = phi i32 [ %or, %for.body ], [ 0, %entry ]
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%arrayidx = getelementptr inbounds i32* %A, i64 %indvars.iv
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%0 = load i32* %arrayidx, align 4
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%arrayidx2 = getelementptr inbounds i32* %B, i64 %indvars.iv
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%1 = load i32* %arrayidx2, align 4
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%add = add nsw i32 %1, %0
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%or = or i32 %add, %result.08
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%indvars.iv.next = add i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, %n
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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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%result.0.lcssa = phi i32 [ 0, %entry ], [ %or, %for.body ]
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ret i32 %result.0.lcssa
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}
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;CHECK: @reduction_xor
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;CHECK: xor <4 x i32>
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;CHECK: shufflevector <4 x i32> %{{.*}}, <4 x i32> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
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;CHECK: xor <4 x i32>
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;CHECK: shufflevector <4 x i32> %{{.*}}, <4 x i32> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
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;CHECK: xor <4 x i32>
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;CHECK: extractelement <4 x i32> %{{.*}}, i32 0
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;CHECK: ret i32
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define i32 @reduction_xor(i32 %n, i32* nocapture %A, i32* nocapture %B) nounwind uwtable readonly {
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entry:
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%cmp7 = icmp sgt i32 %n, 0
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br i1 %cmp7, label %for.body, label %for.end
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for.body: ; preds = %entry, %for.body
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
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%result.08 = phi i32 [ %xor, %for.body ], [ 0, %entry ]
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%arrayidx = getelementptr inbounds i32* %A, i64 %indvars.iv
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%0 = load i32* %arrayidx, align 4
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%arrayidx2 = getelementptr inbounds i32* %B, i64 %indvars.iv
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%1 = load i32* %arrayidx2, align 4
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%add = add nsw i32 %1, %0
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%xor = xor i32 %add, %result.08
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%indvars.iv.next = add i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, %n
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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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%result.0.lcssa = phi i32 [ 0, %entry ], [ %xor, %for.body ]
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ret i32 %result.0.lcssa
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}
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