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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| 
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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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| @a = common global i8 0, align 1
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| @b = common global i8 0, align 1
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| 
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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, i8* @a, align 1
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|   br label %for.body
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| 
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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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| 
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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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