52 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			52 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt < %s -basicaa -slp-vectorizer -slp-threshold=1000 -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
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| 
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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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| 
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| ; Check that the command line flag works.
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| ;CHECK:rollable
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| ;CHECK-NOT:load <4 x i32>
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| ;CHECK: ret
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| 
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| define i32 @rollable(i32* noalias nocapture %in, i32* noalias nocapture %out, i64 %n) {
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|   %1 = icmp eq i64 %n, 0
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|   br i1 %1, label %._crit_edge, label %.lr.ph
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| 
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| .lr.ph:                                           ; preds = %0, %.lr.ph
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|   %i.019 = phi i64 [ %26, %.lr.ph ], [ 0, %0 ]
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|   %2 = shl i64 %i.019, 2
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|   %3 = getelementptr inbounds i32, i32* %in, i64 %2
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|   %4 = load i32, i32* %3, align 4
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|   %5 = or i64 %2, 1
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|   %6 = getelementptr inbounds i32, i32* %in, i64 %5
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|   %7 = load i32, i32* %6, align 4
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|   %8 = or i64 %2, 2
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|   %9 = getelementptr inbounds i32, i32* %in, i64 %8
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|   %10 = load i32, i32* %9, align 4
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|   %11 = or i64 %2, 3
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|   %12 = getelementptr inbounds i32, i32* %in, i64 %11
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|   %13 = load i32, i32* %12, align 4
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|   %14 = mul i32 %4, 7
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|   %15 = add i32 %14, 7
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|   %16 = mul i32 %7, 7
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|   %17 = add i32 %16, 14
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|   %18 = mul i32 %10, 7
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|   %19 = add i32 %18, 21
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|   %20 = mul i32 %13, 7
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|   %21 = add i32 %20, 28
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|   %22 = getelementptr inbounds i32, i32* %out, i64 %2
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|   store i32 %15, i32* %22, align 4
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|   %23 = getelementptr inbounds i32, i32* %out, i64 %5
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|   store i32 %17, i32* %23, align 4
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|   %24 = getelementptr inbounds i32, i32* %out, i64 %8
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|   store i32 %19, i32* %24, align 4
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|   %25 = getelementptr inbounds i32, i32* %out, i64 %11
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|   store i32 %21, i32* %25, align 4
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|   %26 = add i64 %i.019, 1
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|   %exitcond = icmp eq i64 %26, %n
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|   br i1 %exitcond, label %._crit_edge, label %.lr.ph
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| 
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| ._crit_edge:                                      ; preds = %.lr.ph, %0
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|   ret i32 undef
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| }
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