47 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			47 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc < %s -o - -mcpu=generic -march=x86-64 -mattr=+sse4.1 | FileCheck %s -check-prefix=SSE41
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| ; RUN: llc < %s -o - -mcpu=generic -march=x86-64 -mattr=+avx | FileCheck %s -check-prefix=AVX
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| 
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| ; CHECK-LABEL: extract_i8
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| define void @extract_i8(i8* nocapture %dst, <16 x i8> %foo) {
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| ; AVX: vpextrb
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| ; SSE41: pextrb
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| ; AVX-NOT: movb
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| ; SSE41-NOT: movb
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|   %vecext = extractelement <16 x i8> %foo, i32 15
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|   store i8 %vecext, i8* %dst, align 1
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|   ret void
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| }
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| 
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| ; CHECK-LABEL: extract_i16
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| define void @extract_i16(i16* nocapture %dst, <8 x i16> %foo) {
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| ; AVX: vpextrw
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| ; SSE41: pextrw
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| ; AVX-NOT: movw
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| ; SSE41-NOT: movw
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|   %vecext = extractelement <8 x i16> %foo, i32 7
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|   store i16 %vecext, i16* %dst, align 1
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|   ret void
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| }
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| 
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| ; CHECK-LABEL: extract_i8_undef
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| define void @extract_i8_undef(i8* nocapture %dst, <16 x i8> %foo) {
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| ; AVX-NOT: vpextrb
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| ; SSE41-NOT: pextrb
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| ; AVX-NOT: movb
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| ; SSE41-NOT: movb
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|   %vecext = extractelement <16 x i8> %foo, i32 16 ; undef
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|   store i8 %vecext, i8* %dst, align 1
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|   ret void
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| }
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| 
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| ; CHECK-LABEL: extract_i16_undef
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| define void @extract_i16_undef(i16* nocapture %dst, <8 x i16> %foo) {
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| ; AVX-NOT: vpextrw
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| ; SSE41-NOT: pextrw
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| ; AVX-NOT: movw
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| ; SSE41-NOT: movw
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|   %vecext = extractelement <8 x i16> %foo, i32 9 ; undef
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|   store i16 %vecext, i16* %dst, align 1
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|   ret void
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| }
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