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85 lines
3.3 KiB
LLVM
85 lines
3.3 KiB
LLVM
; RUN: opt < %s -loop-vectorize -force-vector-unroll=1 -force-vector-width=4 -dce -instcombine -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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; We are vectorizing with 6 runtime checks.
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;CHECK: func1x6
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;CHECK: <4 x i32>
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;CHECK: ret
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define i32 @func1x6(i32* nocapture %out, i32* nocapture %A, i32* nocapture %B, i32* nocapture %C, i32* nocapture %D, i32* nocapture %E, i32* nocapture %F) {
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entry:
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br label %for.body
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for.body: ; preds = %for.body, %entry
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%i.016 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
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%arrayidx = getelementptr inbounds i32* %A, i64 %i.016
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%0 = load i32* %arrayidx, align 4
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%arrayidx1 = getelementptr inbounds i32* %B, i64 %i.016
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%1 = load i32* %arrayidx1, align 4
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%add = add nsw i32 %1, %0
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%arrayidx2 = getelementptr inbounds i32* %C, i64 %i.016
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%2 = load i32* %arrayidx2, align 4
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%add3 = add nsw i32 %add, %2
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%arrayidx4 = getelementptr inbounds i32* %E, i64 %i.016
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%3 = load i32* %arrayidx4, align 4
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%add5 = add nsw i32 %add3, %3
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%arrayidx6 = getelementptr inbounds i32* %F, i64 %i.016
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%4 = load i32* %arrayidx6, align 4
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%add7 = add nsw i32 %add5, %4
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%arrayidx8 = getelementptr inbounds i32* %out, i64 %i.016
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store i32 %add7, i32* %arrayidx8, align 4
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%inc = add i64 %i.016, 1
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%exitcond = icmp eq i64 %inc, 256
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body
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ret i32 undef
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}
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; We are not vectorizing with 12 runtime checks.
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;CHECK: func2x6
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;CHECK-NOT: <4 x i32>
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;CHECK: ret
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define i32 @func2x6(i32* nocapture %out, i32* nocapture %out2, i32* nocapture %A, i32* nocapture %B, i32* nocapture %C, i32* nocapture %D, i32* nocapture %E, i32* nocapture %F) {
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entry:
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br label %for.body
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for.body: ; preds = %for.body, %entry
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%i.037 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
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%arrayidx = getelementptr inbounds i32* %A, i64 %i.037
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%0 = load i32* %arrayidx, align 4
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%arrayidx1 = getelementptr inbounds i32* %B, i64 %i.037
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%1 = load i32* %arrayidx1, align 4
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%add = add nsw i32 %1, %0
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%arrayidx2 = getelementptr inbounds i32* %C, i64 %i.037
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%2 = load i32* %arrayidx2, align 4
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%add3 = add nsw i32 %add, %2
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%arrayidx4 = getelementptr inbounds i32* %E, i64 %i.037
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%3 = load i32* %arrayidx4, align 4
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%add5 = add nsw i32 %add3, %3
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%arrayidx6 = getelementptr inbounds i32* %F, i64 %i.037
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%4 = load i32* %arrayidx6, align 4
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%add7 = add nsw i32 %add5, %4
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%arrayidx8 = getelementptr inbounds i32* %out, i64 %i.037
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store i32 %add7, i32* %arrayidx8, align 4
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%5 = load i32* %arrayidx, align 4
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%6 = load i32* %arrayidx1, align 4
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%add11 = add nsw i32 %6, %5
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%7 = load i32* %arrayidx2, align 4
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%add13 = add nsw i32 %add11, %7
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%8 = load i32* %arrayidx4, align 4
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%add15 = add nsw i32 %add13, %8
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%9 = load i32* %arrayidx6, align 4
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%add17 = add nsw i32 %add15, %9
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%arrayidx18 = getelementptr inbounds i32* %out2, i64 %i.037
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store i32 %add17, i32* %arrayidx18, align 4
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%inc = add i64 %i.037, 1
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%exitcond = icmp eq i64 %inc, 256
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body
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ret i32 undef
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}
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