42 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			42 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -o - -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=SSE
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; RUN: llc < %s -o - -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=AVX
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define <8 x i16> @foo(<8 x i16> %a, <8 x i16> %b) {
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; SSE-LABEL: foo:
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; SSE:       # %bb.0:
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; SSE-NEXT:    pcmpeqw %xmm1, %xmm0
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; SSE-NEXT:    pand {{.*}}(%rip), %xmm0
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; SSE-NEXT:    retq
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;
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; AVX-LABEL: foo:
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; AVX:       # %bb.0:
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; AVX-NEXT:    vpcmpeqw %xmm1, %xmm0, %xmm0
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; AVX-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm0
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; AVX-NEXT:    retq
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  %icmp = icmp eq <8 x i16> %a, %b
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  %zext = zext <8 x i1> %icmp to <8 x i16>
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  %shl = shl nuw nsw <8 x i16> %zext, <i16 5, i16 5, i16 5, i16 5, i16 5, i16 5, i16 5, i16 5>
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  ret <8 x i16> %shl
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}
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; Don't fail with an assert due to an undef in the buildvector
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define <8 x i16> @bar(<8 x i16> %a, <8 x i16> %b) {
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; SSE-LABEL: bar:
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; SSE:       # %bb.0:
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; SSE-NEXT:    pcmpeqw %xmm1, %xmm0
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; SSE-NEXT:    pand {{.*}}(%rip), %xmm0
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; SSE-NEXT:    retq
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;
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; AVX-LABEL: bar:
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; AVX:       # %bb.0:
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; AVX-NEXT:    vpcmpeqw %xmm1, %xmm0, %xmm0
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; AVX-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm0
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; AVX-NEXT:    retq
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  %icmp = icmp eq <8 x i16> %a, %b
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  %zext = zext <8 x i1> %icmp to <8 x i16>
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  %shl = shl nuw nsw <8 x i16> %zext, <i16 5, i16 undef, i16 5, i16 5, i16 5, i16 5, i16 5, i16 5>
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  ret <8 x i16> %shl
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}
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