31 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			31 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: opt -mtriple=amdgcn-- -load-store-vectorizer -S -o - %s | FileCheck %s
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@lds = internal addrspace(3) global [512 x float] undef, align 4
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; The original load has an implicit alignment of 4, and should not
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; increase to an align 8 load.
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; CHECK-LABEL: @load_keep_base_alignment_missing_align(
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; CHECK: load <2 x float>, <2 x float> addrspace(3)* %{{[0-9]+}}, align 4
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define void @load_keep_base_alignment_missing_align(float addrspace(1)* %out) {
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  %ptr0 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 11
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  %val0 = load float, float addrspace(3)* %ptr0
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  %ptr1 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 12
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  %val1 = load float, float addrspace(3)* %ptr1
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  %add = fadd float %val0, %val1
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  store float %add, float addrspace(1)* %out
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  ret void
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}
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; CHECK-LABEL: @store_keep_base_alignment_missing_align(
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; CHECK: store <2 x float> zeroinitializer, <2 x float> addrspace(3)* %{{[0-9]+}}, align 4
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define void @store_keep_base_alignment_missing_align() {
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  %arrayidx0 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 1
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  %arrayidx1 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 2
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  store float 0.0, float addrspace(3)* %arrayidx0
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  store float 0.0, float addrspace(3)* %arrayidx1
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  ret void
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}
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