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87c977a52b
"Unroll" is not the appropriate name for this variable. Clang already uses the term "interleave" in pragmas and metadata for this. Differential Revision: http://reviews.llvm.org/D5066 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217528 91177308-0d34-0410-b5e6-96231b3b80d8
32 lines
1.1 KiB
LLVM
32 lines
1.1 KiB
LLVM
; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -dce -instcombine -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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@a = common global i8 0, align 1
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@b = common global i8 0, align 1
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define void @f() nounwind uwtable ssp {
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scalar.ph:
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store i8 0, i8* inttoptr (i64 1 to i8*), align 1
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%0 = load i8* @a, align 1
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br label %for.body
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for.body:
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%mul16 = phi i8 [ 0, %scalar.ph ], [ %mul, %for.body ] ; <------- i8 induction var.
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%c.015 = phi i8 [ undef, %scalar.ph ], [ %conv8, %for.body ]
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%conv2 = sext i8 %c.015 to i32
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%tobool = icmp ne i8 %c.015, 0
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%.sink = select i1 %tobool, i8 %c.015, i8 %0
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%mul = mul i8 %mul16, %.sink
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%add = add nsw i32 %conv2, 1
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%conv8 = trunc i32 %add to i8
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%sext = shl i32 %add, 24
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%phitmp14 = icmp slt i32 %sext, 268435456
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br i1 %phitmp14, label %for.body, label %for.end
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for.end: ; preds = %for.body
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store i8 %mul, i8* @b, align 1
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ret void
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}
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