86 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			86 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: opt -loop-vectorize -mtriple=arm64-apple-ios -S -mcpu=cyclone -enable-interleaved-mem-accesses=false < %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-n32:64-S128"
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@kernel = global [512 x float] zeroinitializer, align 16
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@kernel2 = global [512 x float] zeroinitializer, align 16
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@kernel3 = global [512 x float] zeroinitializer, align 16
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@kernel4 = global [512 x float] zeroinitializer, align 16
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@src_data = global [1536 x float] zeroinitializer, align 16
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@r_ = global i8 0, align 1
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@g_ = global i8 0, align 1
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@b_ = global i8 0, align 1
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; We don't want to vectorize most loops containing gathers because they are
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; expensive.
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; Make sure we don't vectorize it.
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; CHECK-NOT: x float>
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define void @_Z4testmm(i64 %size, i64 %offset) {
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entry:
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  %cmp53 = icmp eq i64 %size, 0
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  br i1 %cmp53, label %for.end, label %for.body.lr.ph
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for.body.lr.ph:
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  br label %for.body
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for.body:
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  %r.057 = phi float [ 0.000000e+00, %for.body.lr.ph ], [ %add10, %for.body ]
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  %g.056 = phi float [ 0.000000e+00, %for.body.lr.ph ], [ %add20, %for.body ]
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  %v.055 = phi i64 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
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  %b.054 = phi float [ 0.000000e+00, %for.body.lr.ph ], [ %add30, %for.body ]
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  %add = add i64 %v.055, %offset
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  %mul = mul i64 %add, 3
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  %arrayidx = getelementptr inbounds [1536 x float], [1536 x float]* @src_data, i64 0, i64 %mul
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  %0 = load float, float* %arrayidx, align 4
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  %arrayidx2 = getelementptr inbounds [512 x float], [512 x float]* @kernel, i64 0, i64 %v.055
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  %1 = load float, float* %arrayidx2, align 4
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  %mul3 = fmul fast float %0, %1
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  %arrayidx4 = getelementptr inbounds [512 x float], [512 x float]* @kernel2, i64 0, i64 %v.055
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  %2 = load float, float* %arrayidx4, align 4
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  %mul5 = fmul fast float %mul3, %2
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  %arrayidx6 = getelementptr inbounds [512 x float], [512 x float]* @kernel3, i64 0, i64 %v.055
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  %3 = load float, float* %arrayidx6, align 4
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  %mul7 = fmul fast float %mul5, %3
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  %arrayidx8 = getelementptr inbounds [512 x float], [512 x float]* @kernel4, i64 0, i64 %v.055
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  %4 = load float, float* %arrayidx8, align 4
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  %mul9 = fmul fast float %mul7, %4
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  %add10 = fadd fast float %r.057, %mul9
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  %arrayidx.sum = add i64 %mul, 1
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  %arrayidx11 = getelementptr inbounds [1536 x float], [1536 x float]* @src_data, i64 0, i64 %arrayidx.sum
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  %5 = load float, float* %arrayidx11, align 4
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  %mul13 = fmul fast float %1, %5
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  %mul15 = fmul fast float %2, %mul13
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  %mul17 = fmul fast float %3, %mul15
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  %mul19 = fmul fast float %4, %mul17
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  %add20 = fadd fast float %g.056, %mul19
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  %arrayidx.sum52 = add i64 %mul, 2
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  %arrayidx21 = getelementptr inbounds [1536 x float], [1536 x float]* @src_data, i64 0, i64 %arrayidx.sum52
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  %6 = load float, float* %arrayidx21, align 4
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  %mul23 = fmul fast float %1, %6
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  %mul25 = fmul fast float %2, %mul23
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  %mul27 = fmul fast float %3, %mul25
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  %mul29 = fmul fast float %4, %mul27
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  %add30 = fadd fast float %b.054, %mul29
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  %inc = add i64 %v.055, 1
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  %exitcond = icmp ne i64 %inc, %size
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  br i1 %exitcond, label %for.body, label %for.cond.for.end_crit_edge
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for.cond.for.end_crit_edge:
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  %add30.lcssa = phi float [ %add30, %for.body ]
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  %add20.lcssa = phi float [ %add20, %for.body ]
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  %add10.lcssa = phi float [ %add10, %for.body ]
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  %phitmp = fptoui float %add10.lcssa to i8
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  %phitmp60 = fptoui float %add20.lcssa to i8
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  %phitmp61 = fptoui float %add30.lcssa to i8
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  br label %for.end
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for.end:
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  %r.0.lcssa = phi i8 [ %phitmp, %for.cond.for.end_crit_edge ], [ 0, %entry ]
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  %g.0.lcssa = phi i8 [ %phitmp60, %for.cond.for.end_crit_edge ], [ 0, %entry ]
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  %b.0.lcssa = phi i8 [ %phitmp61, %for.cond.for.end_crit_edge ], [ 0, %entry ]
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  store i8 %r.0.lcssa, i8* @r_, align 1
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  store i8 %g.0.lcssa, i8* @g_, align 1
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  store i8 %b.0.lcssa, i8* @b_, align 1
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  ret void
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}
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