49 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			49 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -asm-verbose=false < %s | FileCheck %s
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| 
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| target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
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| target triple = "armv8.2a-arm-unknown-eabihf"
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| 
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| define dso_local void @vec8(half* nocapture readonly %V, i32 %N) local_unnamed_addr #0 {
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| ; CHECK:      .LBB0_1:
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| ; CHECK-NEXT: vld1.16 {d16, d17}, [r0]!
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| ; CHECK-NEXT: subs r1, r1, #8
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| ; CHECK-NEXT: bne .LBB0_1
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| entry:
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|   br label %vector.body
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| 
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| vector.body:
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|   %index = phi i32 [ 0, %entry ], [ %index.next, %vector.body ]
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|   %0 = getelementptr inbounds half, half* %V, i32 %index
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|   %1 = bitcast half* %0 to <8 x half>*
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|   %wide.load = load volatile <8 x half>, <8 x half>* %1, align 2
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|   %index.next = add i32 %index, 8
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|   %cmp = icmp eq i32 %index.next, %N
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|   br i1 %cmp, label %byeblock, label %vector.body
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| 
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| byeblock:
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|   ret void
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| }
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| 
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| define dso_local void @vec4(half* nocapture readonly %V, i32 %N) local_unnamed_addr #0 {
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| ; CHECK:      .LBB1_1:
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| ; CHECK-NEXT: vld1.16 {d16}, [r0]!
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| ; CHECK-NEXT: subs r1, r1, #4
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| ; CHECK-NEXT:	bne	.LBB1_1
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| entry:
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|   br label %vector.body
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| 
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| vector.body:
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|   %index = phi i32 [ 0, %entry ], [ %index.next, %vector.body ]
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|   %0 = getelementptr inbounds half, half* %V, i32 %index
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|   %1 = bitcast half* %0 to <4 x half>*
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|   %wide.load = load volatile <4 x half>, <4 x half>* %1, align 2
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|   %index.next = add i32 %index, 4
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|   %cmp = icmp eq i32 %index.next, %N
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|   br i1 %cmp, label %byeblock, label %vector.body
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| 
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| byeblock:
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|   ret void
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| }
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| 
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| attributes #0 = { norecurse nounwind readonly "no-infs-fp-math"="true" "no-nans-fp-math"="true" "no-signed-zeros-fp-math"="true" "no-trapping-math"="true" "target-cpu"="generic" "target-features"="+armv8.2-a,+fullfp16,+strict-align,-thumb-mode" "unsafe-fp-math"="true" "use-soft-float"="false" }
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