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			53 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			53 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: opt < %s -scalarrepl -instcombine | \
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| ; RUN:   llc -march=x86 -mcpu=yonah | not grep sub.*esp
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| 
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| ; This checks that various insert/extract idiom work without going to the
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| ; stack.
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| target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32"
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| 
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| define void @test(<4 x float>* %F, float %f) {
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| entry:
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| 	%tmp = load <4 x float>* %F		; <<4 x float>> [#uses=2]
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| 	%tmp3 = fadd <4 x float> %tmp, %tmp		; <<4 x float>> [#uses=1]
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| 	%tmp10 = insertelement <4 x float> %tmp3, float %f, i32 0		; <<4 x float>> [#uses=2]
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| 	%tmp6 = fadd <4 x float> %tmp10, %tmp10		; <<4 x float>> [#uses=1]
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| 	store <4 x float> %tmp6, <4 x float>* %F
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| 	ret void
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| }
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| 
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| define void @test2(<4 x float>* %F, float %f) {
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| entry:
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| 	%G = alloca <4 x float>, align 16		; <<4 x float>*> [#uses=3]
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| 	%tmp = load <4 x float>* %F		; <<4 x float>> [#uses=2]
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| 	%tmp3 = fadd <4 x float> %tmp, %tmp		; <<4 x float>> [#uses=1]
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| 	store <4 x float> %tmp3, <4 x float>* %G
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| 	%tmp.upgrd.1 = getelementptr <4 x float>* %G, i32 0, i32 2		; <float*> [#uses=1]
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| 	store float %f, float* %tmp.upgrd.1
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| 	%tmp4 = load <4 x float>* %G		; <<4 x float>> [#uses=2]
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| 	%tmp6 = fadd <4 x float> %tmp4, %tmp4		; <<4 x float>> [#uses=1]
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| 	store <4 x float> %tmp6, <4 x float>* %F
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| 	ret void
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| }
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| 
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| define void @test3(<4 x float>* %F, float* %f) {
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| entry:
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| 	%G = alloca <4 x float>, align 16		; <<4 x float>*> [#uses=2]
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| 	%tmp = load <4 x float>* %F		; <<4 x float>> [#uses=2]
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| 	%tmp3 = fadd <4 x float> %tmp, %tmp		; <<4 x float>> [#uses=1]
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| 	store <4 x float> %tmp3, <4 x float>* %G
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| 	%tmp.upgrd.2 = getelementptr <4 x float>* %G, i32 0, i32 2		; <float*> [#uses=1]
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| 	%tmp.upgrd.3 = load float* %tmp.upgrd.2		; <float> [#uses=1]
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| 	store float %tmp.upgrd.3, float* %f
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| 	ret void
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| }
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| 
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| define void @test4(<4 x float>* %F, float* %f) {
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| entry:
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| 	%tmp = load <4 x float>* %F		; <<4 x float>> [#uses=2]
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| 	%tmp5.lhs = extractelement <4 x float> %tmp, i32 0		; <float> [#uses=1]
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| 	%tmp5.rhs = extractelement <4 x float> %tmp, i32 0		; <float> [#uses=1]
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| 	%tmp5 = fadd float %tmp5.lhs, %tmp5.rhs		; <float> [#uses=1]
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| 	store float %tmp5, float* %f
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| 	ret void
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| }
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