504 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			504 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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| ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+avx512f | FileCheck %s --check-prefix=ALL --check-prefix=KNL
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| ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+avx512f -mattr=+avx512vl -mattr=+avx512bw -mattr=+avx512dq | FileCheck %s --check-prefix=ALL --check-prefix=SKX
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| 
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|  attributes #0 = { nounwind }
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| 
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| define <16 x i8> @trunc_16x32_to_16x8(<16 x i32> %i) #0 {
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| ; ALL-LABEL: trunc_16x32_to_16x8:
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| ; ALL:       ## BB#0:
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| ; ALL-NEXT:    vpmovdb %zmm0, %xmm0
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| ; ALL-NEXT:    retq
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|   %x = trunc <16 x i32> %i to <16 x i8>
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|   ret <16 x i8> %x
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| }
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| 
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| define <8 x i16> @trunc_8x64_to_8x16(<8 x i64> %i) #0 {
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| ; ALL-LABEL: trunc_8x64_to_8x16:
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| ; ALL:       ## BB#0:
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| ; ALL-NEXT:    vpmovqw %zmm0, %xmm0
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| ; ALL-NEXT:    retq
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|   %x = trunc <8 x i64> %i to <8 x i16>
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|   ret <8 x i16> %x
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| }
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| 
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| define <16 x i16> @trunc_v16i32_to_v16i16(<16 x i32> %x) #0 {
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| ; ALL-LABEL: trunc_v16i32_to_v16i16:
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| ; ALL:       ## BB#0:
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| ; ALL-NEXT:    vpmovdw %zmm0, %ymm0
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| ; ALL-NEXT:    retq
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|   %1 = trunc <16 x i32> %x to <16 x i16>
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|   ret <16 x i16> %1
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| }
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| 
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| define <8 x i8> @trunc_qb_512(<8 x i64> %i) #0 {
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| ; ALL-LABEL: trunc_qb_512:
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| ; ALL:       ## BB#0:
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| ; ALL-NEXT:    vpmovqw %zmm0, %xmm0
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| ; ALL-NEXT:    retq
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|   %x = trunc <8 x i64> %i to <8 x i8>
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|   ret <8 x i8> %x
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| }
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| 
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| define void @trunc_qb_512_mem(<8 x i64> %i, <8 x i8>* %res) #0 {
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| ; ALL-LABEL: trunc_qb_512_mem:
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| ; ALL:       ## BB#0:
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| ; ALL-NEXT:    vpmovqb %zmm0, (%rdi)
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| ; ALL-NEXT:    retq
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|     %x = trunc <8 x i64> %i to <8 x i8>
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|     store <8 x i8> %x, <8 x i8>* %res
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|     ret void
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| }
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| 
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| define <4 x i8> @trunc_qb_256(<4 x i64> %i) #0 {
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| ; KNL-LABEL: trunc_qb_256:
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| ; KNL:       ## BB#0:
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| ; KNL-NEXT:    ## kill: %YMM0<def> %YMM0<kill> %ZMM0<def>
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| ; KNL-NEXT:    vpmovqd %zmm0, %ymm0
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| ; KNL-NEXT:    ## kill: %XMM0<def> %XMM0<kill> %YMM0<kill>
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| ; KNL-NEXT:    retq
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| ;
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| ; SKX-LABEL: trunc_qb_256:
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| ; SKX:       ## BB#0:
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| ; SKX-NEXT:    vpmovqd %ymm0, %xmm0
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| ; SKX-NEXT:    retq
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|   %x = trunc <4 x i64> %i to <4 x i8>
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|   ret <4 x i8> %x
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| }
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| 
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| define void @trunc_qb_256_mem(<4 x i64> %i, <4 x i8>* %res) #0 {
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| ; KNL-LABEL: trunc_qb_256_mem:
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| ; KNL:       ## BB#0:
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| ; KNL-NEXT:    ## kill: %YMM0<def> %YMM0<kill> %ZMM0<def>
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| ; KNL-NEXT:    vpmovqd %zmm0, %ymm0
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| ; KNL-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,4,8,12,u,u,u,u,u,u,u,u,u,u,u,u]
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| ; KNL-NEXT:    vmovd %xmm0, (%rdi)
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| ; KNL-NEXT:    retq
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| ;
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| ; SKX-LABEL: trunc_qb_256_mem:
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| ; SKX:       ## BB#0:
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| ; SKX-NEXT:    vpmovqb %ymm0, (%rdi)
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| ; SKX-NEXT:    retq
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|     %x = trunc <4 x i64> %i to <4 x i8>
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|     store <4 x i8> %x, <4 x i8>* %res
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|     ret void
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| }
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| 
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| define <2 x i8> @trunc_qb_128(<2 x i64> %i) #0 {
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| ; ALL-LABEL: trunc_qb_128:
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| ; ALL:       ## BB#0:
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| ; ALL-NEXT:    retq
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|   %x = trunc <2 x i64> %i to <2 x i8>
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|   ret <2 x i8> %x
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| }
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| 
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| define void @trunc_qb_128_mem(<2 x i64> %i, <2 x i8>* %res) #0 {
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| ; KNL-LABEL: trunc_qb_128_mem:
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| ; KNL:       ## BB#0:
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| ; KNL-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,8,u,u,u,u,u,u,u,u,u,u,u,u,u,u]
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| ; KNL-NEXT:    vmovd %xmm0, %eax
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| ; KNL-NEXT:    movw %ax, (%rdi)
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| ; KNL-NEXT:    retq
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| ;
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| ; SKX-LABEL: trunc_qb_128_mem:
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| ; SKX:       ## BB#0:
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| ; SKX-NEXT:    vpmovqb %xmm0, (%rdi)
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| ; SKX-NEXT:    retq
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|     %x = trunc <2 x i64> %i to <2 x i8>
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|     store <2 x i8> %x, <2 x i8>* %res
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|     ret void
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| }
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| 
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| define <8 x i16> @trunc_qw_512(<8 x i64> %i) #0 {
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| ; ALL-LABEL: trunc_qw_512:
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| ; ALL:       ## BB#0:
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| ; ALL-NEXT:    vpmovqw %zmm0, %xmm0
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| ; ALL-NEXT:    retq
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|   %x = trunc <8 x i64> %i to <8 x i16>
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|   ret <8 x i16> %x
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| }
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| 
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| define void @trunc_qw_512_mem(<8 x i64> %i, <8 x i16>* %res) #0 {
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| ; ALL-LABEL: trunc_qw_512_mem:
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| ; ALL:       ## BB#0:
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| ; ALL-NEXT:    vpmovqw %zmm0, (%rdi)
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| ; ALL-NEXT:    retq
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|     %x = trunc <8 x i64> %i to <8 x i16>
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|     store <8 x i16> %x, <8 x i16>* %res
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|     ret void
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| }
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| 
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| define <4 x i16> @trunc_qw_256(<4 x i64> %i) #0 {
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| ; KNL-LABEL: trunc_qw_256:
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| ; KNL:       ## BB#0:
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| ; KNL-NEXT:    ## kill: %YMM0<def> %YMM0<kill> %ZMM0<def>
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| ; KNL-NEXT:    vpmovqd %zmm0, %ymm0
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| ; KNL-NEXT:    ## kill: %XMM0<def> %XMM0<kill> %YMM0<kill>
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| ; KNL-NEXT:    retq
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| ;
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| ; SKX-LABEL: trunc_qw_256:
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| ; SKX:       ## BB#0:
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| ; SKX-NEXT:    vpmovqd %ymm0, %xmm0
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| ; SKX-NEXT:    retq
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|   %x = trunc <4 x i64> %i to <4 x i16>
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|   ret <4 x i16> %x
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| }
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| 
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| define void @trunc_qw_256_mem(<4 x i64> %i, <4 x i16>* %res) #0 {
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| ; KNL-LABEL: trunc_qw_256_mem:
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| ; KNL:       ## BB#0:
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| ; KNL-NEXT:    ## kill: %YMM0<def> %YMM0<kill> %ZMM0<def>
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| ; KNL-NEXT:    vpmovqd %zmm0, %ymm0
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| ; KNL-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
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| ; KNL-NEXT:    vmovq %xmm0, (%rdi)
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| ; KNL-NEXT:    retq
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| ;
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| ; SKX-LABEL: trunc_qw_256_mem:
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| ; SKX:       ## BB#0:
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| ; SKX-NEXT:    vpmovqw %ymm0, (%rdi)
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| ; SKX-NEXT:    retq
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|     %x = trunc <4 x i64> %i to <4 x i16>
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|     store <4 x i16> %x, <4 x i16>* %res
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|     ret void
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| }
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| 
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| define <2 x i16> @trunc_qw_128(<2 x i64> %i) #0 {
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| ; ALL-LABEL: trunc_qw_128:
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| ; ALL:       ## BB#0:
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| ; ALL-NEXT:    retq
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|   %x = trunc <2 x i64> %i to <2 x i16>
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|   ret <2 x i16> %x
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| }
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| 
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| define void @trunc_qw_128_mem(<2 x i64> %i, <2 x i16>* %res) #0 {
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| ; KNL-LABEL: trunc_qw_128_mem:
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| ; KNL:       ## BB#0:
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| ; KNL-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
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| ; KNL-NEXT:    vpshuflw {{.*#+}} xmm0 = xmm0[0,2,2,3,4,5,6,7]
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| ; KNL-NEXT:    vmovd %xmm0, (%rdi)
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| ; KNL-NEXT:    retq
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| ;
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| ; SKX-LABEL: trunc_qw_128_mem:
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| ; SKX:       ## BB#0:
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| ; SKX-NEXT:    vpmovqw %xmm0, (%rdi)
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| ; SKX-NEXT:    retq
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|     %x = trunc <2 x i64> %i to <2 x i16>
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|     store <2 x i16> %x, <2 x i16>* %res
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|     ret void
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| }
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| 
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| define <8 x i32> @trunc_qd_512(<8 x i64> %i) #0 {
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| ; ALL-LABEL: trunc_qd_512:
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| ; ALL:       ## BB#0:
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| ; ALL-NEXT:    vpmovqd %zmm0, %ymm0
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| ; ALL-NEXT:    retq
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|   %x = trunc <8 x i64> %i to <8 x i32>
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|   ret <8 x i32> %x
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| }
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| 
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| define void @trunc_qd_512_mem(<8 x i64> %i, <8 x i32>* %res) #0 {
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| ; ALL-LABEL: trunc_qd_512_mem:
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| ; ALL:       ## BB#0:
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| ; ALL-NEXT:    vpmovqd %zmm0, (%rdi)
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| ; ALL-NEXT:    retq
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|     %x = trunc <8 x i64> %i to <8 x i32>
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|     store <8 x i32> %x, <8 x i32>* %res
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|     ret void
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| }
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| 
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| define <4 x i32> @trunc_qd_256(<4 x i64> %i) #0 {
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| ; KNL-LABEL: trunc_qd_256:
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| ; KNL:       ## BB#0:
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| ; KNL-NEXT:    ## kill: %YMM0<def> %YMM0<kill> %ZMM0<def>
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| ; KNL-NEXT:    vpmovqd %zmm0, %ymm0
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| ; KNL-NEXT:    ## kill: %XMM0<def> %XMM0<kill> %YMM0<kill>
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| ; KNL-NEXT:    retq
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| ;
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| ; SKX-LABEL: trunc_qd_256:
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| ; SKX:       ## BB#0:
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| ; SKX-NEXT:    vpmovqd %ymm0, %xmm0
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| ; SKX-NEXT:    retq
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|   %x = trunc <4 x i64> %i to <4 x i32>
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|   ret <4 x i32> %x
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| }
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| 
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| define void @trunc_qd_256_mem(<4 x i64> %i, <4 x i32>* %res) #0 {
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| ; KNL-LABEL: trunc_qd_256_mem:
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| ; KNL:       ## BB#0:
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| ; KNL-NEXT:    ## kill: %YMM0<def> %YMM0<kill> %ZMM0<def>
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| ; KNL-NEXT:    vpmovqd %zmm0, %ymm0
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| ; KNL-NEXT:    vmovaps %xmm0, (%rdi)
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| ; KNL-NEXT:    retq
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| ;
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| ; SKX-LABEL: trunc_qd_256_mem:
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| ; SKX:       ## BB#0:
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| ; SKX-NEXT:    vpmovqd %ymm0, (%rdi)
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| ; SKX-NEXT:    retq
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|     %x = trunc <4 x i64> %i to <4 x i32>
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|     store <4 x i32> %x, <4 x i32>* %res
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|     ret void
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| }
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| 
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| define <2 x i32> @trunc_qd_128(<2 x i64> %i) #0 {
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| ; ALL-LABEL: trunc_qd_128:
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| ; ALL:       ## BB#0:
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| ; ALL-NEXT:    retq
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|   %x = trunc <2 x i64> %i to <2 x i32>
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|   ret <2 x i32> %x
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| }
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| 
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| define void @trunc_qd_128_mem(<2 x i64> %i, <2 x i32>* %res) #0 {
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| ; KNL-LABEL: trunc_qd_128_mem:
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| ; KNL:       ## BB#0:
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| ; KNL-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
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| ; KNL-NEXT:    vmovq %xmm0, (%rdi)
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| ; KNL-NEXT:    retq
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| ;
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| ; SKX-LABEL: trunc_qd_128_mem:
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| ; SKX:       ## BB#0:
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| ; SKX-NEXT:    vpmovqd %xmm0, (%rdi)
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| ; SKX-NEXT:    retq
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|     %x = trunc <2 x i64> %i to <2 x i32>
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|     store <2 x i32> %x, <2 x i32>* %res
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|     ret void
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| }
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| 
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| define <16 x i8> @trunc_db_512(<16 x i32> %i) #0 {
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| ; ALL-LABEL: trunc_db_512:
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| ; ALL:       ## BB#0:
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| ; ALL-NEXT:    vpmovdb %zmm0, %xmm0
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| ; ALL-NEXT:    retq
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|   %x = trunc <16 x i32> %i to <16 x i8>
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|   ret <16 x i8> %x
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| }
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| 
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| define void @trunc_db_512_mem(<16 x i32> %i, <16 x i8>* %res) #0 {
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| ; ALL-LABEL: trunc_db_512_mem:
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| ; ALL:       ## BB#0:
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| ; ALL-NEXT:    vpmovdb %zmm0, (%rdi)
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| ; ALL-NEXT:    retq
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|     %x = trunc <16 x i32> %i to <16 x i8>
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|     store <16 x i8> %x, <16 x i8>* %res
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|     ret void
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| }
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| 
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| define <8 x i8> @trunc_db_256(<8 x i32> %i) #0 {
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| ; KNL-LABEL: trunc_db_256:
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| ; KNL:       ## BB#0:
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| ; KNL-NEXT:    ## kill: %YMM0<def> %YMM0<kill> %ZMM0<def>
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| ; KNL-NEXT:    vpmovdw %zmm0, %ymm0
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| ; KNL-NEXT:    ## kill: %XMM0<def> %XMM0<kill> %YMM0<kill>
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| ; KNL-NEXT:    retq
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| ;
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| ; SKX-LABEL: trunc_db_256:
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| ; SKX:       ## BB#0:
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| ; SKX-NEXT:    vpmovdw %ymm0, %xmm0
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| ; SKX-NEXT:    retq
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|   %x = trunc <8 x i32> %i to <8 x i8>
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|   ret <8 x i8> %x
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| }
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| 
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| define void @trunc_db_256_mem(<8 x i32> %i, <8 x i8>* %res) #0 {
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| ; KNL-LABEL: trunc_db_256_mem:
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| ; KNL:       ## BB#0:
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| ; KNL-NEXT:    ## kill: %YMM0<def> %YMM0<kill> %ZMM0<def>
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| ; KNL-NEXT:    vpmovdw %zmm0, %ymm0
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| ; KNL-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,2,4,6,8,10,12,14,u,u,u,u,u,u,u,u]
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| ; KNL-NEXT:    vmovq %xmm0, (%rdi)
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| ; KNL-NEXT:    retq
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| ;
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| ; SKX-LABEL: trunc_db_256_mem:
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| ; SKX:       ## BB#0:
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| ; SKX-NEXT:    vpmovdb %ymm0, (%rdi)
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| ; SKX-NEXT:    retq
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|     %x = trunc <8 x i32> %i to <8 x i8>
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|     store <8 x i8> %x, <8 x i8>* %res
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|     ret void
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| }
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| 
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| define <4 x i8> @trunc_db_128(<4 x i32> %i) #0 {
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| ; ALL-LABEL: trunc_db_128:
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| ; ALL:       ## BB#0:
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| ; ALL-NEXT:    retq
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|   %x = trunc <4 x i32> %i to <4 x i8>
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|   ret <4 x i8> %x
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| }
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| 
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| define void @trunc_db_128_mem(<4 x i32> %i, <4 x i8>* %res) #0 {
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| ; KNL-LABEL: trunc_db_128_mem:
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| ; KNL:       ## BB#0:
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| ; KNL-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,4,8,12,u,u,u,u,u,u,u,u,u,u,u,u]
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| ; KNL-NEXT:    vmovd %xmm0, (%rdi)
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| ; KNL-NEXT:    retq
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| ;
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| ; SKX-LABEL: trunc_db_128_mem:
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| ; SKX:       ## BB#0:
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| ; SKX-NEXT:    vpmovdb %xmm0, (%rdi)
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| ; SKX-NEXT:    retq
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|     %x = trunc <4 x i32> %i to <4 x i8>
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|     store <4 x i8> %x, <4 x i8>* %res
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|     ret void
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| }
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| 
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| define <16 x i16> @trunc_dw_512(<16 x i32> %i) #0 {
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| ; ALL-LABEL: trunc_dw_512:
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| ; ALL:       ## BB#0:
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| ; ALL-NEXT:    vpmovdw %zmm0, %ymm0
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| ; ALL-NEXT:    retq
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|   %x = trunc <16 x i32> %i to <16 x i16>
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|   ret <16 x i16> %x
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| }
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| 
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| define void @trunc_dw_512_mem(<16 x i32> %i, <16 x i16>* %res) #0 {
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| ; ALL-LABEL: trunc_dw_512_mem:
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| ; ALL:       ## BB#0:
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| ; ALL-NEXT:    vpmovdw %zmm0, (%rdi)
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| ; ALL-NEXT:    retq
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|     %x = trunc <16 x i32> %i to <16 x i16>
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|     store <16 x i16> %x, <16 x i16>* %res
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|     ret void
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| }
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| 
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| define <8 x i16> @trunc_dw_256(<8 x i32> %i) #0 {
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| ; KNL-LABEL: trunc_dw_256:
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| ; KNL:       ## BB#0:
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| ; KNL-NEXT:    ## kill: %YMM0<def> %YMM0<kill> %ZMM0<def>
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| ; KNL-NEXT:    vpmovdw %zmm0, %ymm0
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| ; KNL-NEXT:    ## kill: %XMM0<def> %XMM0<kill> %YMM0<kill>
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| ; KNL-NEXT:    retq
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| ;
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| ; SKX-LABEL: trunc_dw_256:
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| ; SKX:       ## BB#0:
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| ; SKX-NEXT:    vpmovdw %ymm0, %xmm0
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| ; SKX-NEXT:    retq
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|   %x = trunc <8 x i32> %i to <8 x i16>
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|   ret <8 x i16> %x
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| }
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| 
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| define void @trunc_dw_256_mem(<8 x i32> %i, <8 x i16>* %res) #0 {
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| ; KNL-LABEL: trunc_dw_256_mem:
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| ; KNL:       ## BB#0:
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| ; KNL-NEXT:    ## kill: %YMM0<def> %YMM0<kill> %ZMM0<def>
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| ; KNL-NEXT:    vpmovdw %zmm0, %ymm0
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| ; KNL-NEXT:    vmovaps %xmm0, (%rdi)
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| ; KNL-NEXT:    retq
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| ;
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| ; SKX-LABEL: trunc_dw_256_mem:
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| ; SKX:       ## BB#0:
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| ; SKX-NEXT:    vpmovdw %ymm0, (%rdi)
 | |
| ; SKX-NEXT:    retq
 | |
|     %x = trunc <8 x i32> %i to <8 x i16>
 | |
|     store <8 x i16> %x, <8 x i16>* %res
 | |
|     ret void
 | |
| }
 | |
| 
 | |
| define void @trunc_dw_128_mem(<4 x i32> %i, <4 x i16>* %res) #0 {
 | |
| ; KNL-LABEL: trunc_dw_128_mem:
 | |
| ; KNL:       ## BB#0:
 | |
| ; KNL-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
 | |
| ; KNL-NEXT:    vmovq %xmm0, (%rdi)
 | |
| ; KNL-NEXT:    retq
 | |
| ;
 | |
| ; SKX-LABEL: trunc_dw_128_mem:
 | |
| ; SKX:       ## BB#0:
 | |
| ; SKX-NEXT:    vpmovdw %xmm0, (%rdi)
 | |
| ; SKX-NEXT:    retq
 | |
|     %x = trunc <4 x i32> %i to <4 x i16>
 | |
|     store <4 x i16> %x, <4 x i16>* %res
 | |
|     ret void
 | |
| }
 | |
| 
 | |
| define <32 x i8> @trunc_wb_512(<32 x i16> %i) #0 {
 | |
| ; KNL-LABEL: trunc_wb_512:
 | |
| ; KNL:       ## BB#0:
 | |
| ; KNL-NEXT:    vpmovsxwd %ymm0, %zmm0
 | |
| ; KNL-NEXT:    vpmovdb %zmm0, %xmm0
 | |
| ; KNL-NEXT:    vpmovsxwd %ymm1, %zmm1
 | |
| ; KNL-NEXT:    vpmovdb %zmm1, %xmm1
 | |
| ; KNL-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
 | |
| ; KNL-NEXT:    retq
 | |
| ;
 | |
| ; SKX-LABEL: trunc_wb_512:
 | |
| ; SKX:       ## BB#0:
 | |
| ; SKX-NEXT:    vpmovwb %zmm0, %ymm0
 | |
| ; SKX-NEXT:    retq
 | |
|   %x = trunc <32 x i16> %i to <32 x i8>
 | |
|   ret <32 x i8> %x
 | |
| }
 | |
| 
 | |
| define void @trunc_wb_512_mem(<32 x i16> %i, <32 x i8>* %res) #0 {
 | |
| ; KNL-LABEL: trunc_wb_512_mem:
 | |
| ; KNL:       ## BB#0:
 | |
| ; KNL-NEXT:    vpmovsxwd %ymm0, %zmm0
 | |
| ; KNL-NEXT:    vpmovdb %zmm0, %xmm0
 | |
| ; KNL-NEXT:    vpmovsxwd %ymm1, %zmm1
 | |
| ; KNL-NEXT:    vpmovdb %zmm1, %xmm1
 | |
| ; KNL-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
 | |
| ; KNL-NEXT:    vmovaps %ymm0, (%rdi)
 | |
| ; KNL-NEXT:    retq
 | |
| ;
 | |
| ; SKX-LABEL: trunc_wb_512_mem:
 | |
| ; SKX:       ## BB#0:
 | |
| ; SKX-NEXT:    vpmovwb %zmm0, (%rdi)
 | |
| ; SKX-NEXT:    retq
 | |
|     %x = trunc <32 x i16> %i to <32 x i8>
 | |
|     store <32 x i8> %x, <32 x i8>* %res
 | |
|     ret void
 | |
| }
 | |
| 
 | |
| define <16 x i8> @trunc_wb_256(<16 x i16> %i) #0 {
 | |
| ; KNL-LABEL: trunc_wb_256:
 | |
| ; KNL:       ## BB#0:
 | |
| ; KNL-NEXT:    vpmovsxwd %ymm0, %zmm0
 | |
| ; KNL-NEXT:    vpmovdb %zmm0, %xmm0
 | |
| ; KNL-NEXT:    retq
 | |
| ;
 | |
| ; SKX-LABEL: trunc_wb_256:
 | |
| ; SKX:       ## BB#0:
 | |
| ; SKX-NEXT:    vpmovwb %ymm0, %xmm0
 | |
| ; SKX-NEXT:    retq
 | |
|   %x = trunc <16 x i16> %i to <16 x i8>
 | |
|   ret <16 x i8> %x
 | |
| }
 | |
| 
 | |
| define void @trunc_wb_256_mem(<16 x i16> %i, <16 x i8>* %res) #0 {
 | |
| ; KNL-LABEL: trunc_wb_256_mem:
 | |
| ; KNL:       ## BB#0:
 | |
| ; KNL-NEXT:    vpmovsxwd %ymm0, %zmm0
 | |
| ; KNL-NEXT:    vpmovdb %zmm0, %xmm0
 | |
| ; KNL-NEXT:    vmovaps %xmm0, (%rdi)
 | |
| ; KNL-NEXT:    retq
 | |
| ;
 | |
| ; SKX-LABEL: trunc_wb_256_mem:
 | |
| ; SKX:       ## BB#0:
 | |
| ; SKX-NEXT:    vpmovwb %ymm0, (%rdi)
 | |
| ; SKX-NEXT:    retq
 | |
|     %x = trunc <16 x i16> %i to <16 x i8>
 | |
|     store <16 x i8> %x, <16 x i8>* %res
 | |
|     ret void
 | |
| }
 | |
| 
 | |
| define <8 x i8> @trunc_wb_128(<8 x i16> %i) #0 {
 | |
| ; ALL-LABEL: trunc_wb_128:
 | |
| ; ALL:       ## BB#0:
 | |
| ; ALL-NEXT:    retq
 | |
|   %x = trunc <8 x i16> %i to <8 x i8>
 | |
|   ret <8 x i8> %x
 | |
| }
 | |
| 
 | |
| define void @trunc_wb_128_mem(<8 x i16> %i, <8 x i8>* %res) #0 {
 | |
| ; KNL-LABEL: trunc_wb_128_mem:
 | |
| ; KNL:       ## BB#0:
 | |
| ; KNL-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,2,4,6,8,10,12,14,u,u,u,u,u,u,u,u]
 | |
| ; KNL-NEXT:    vmovq %xmm0, (%rdi)
 | |
| ; KNL-NEXT:    retq
 | |
| ;
 | |
| ; SKX-LABEL: trunc_wb_128_mem:
 | |
| ; SKX:       ## BB#0:
 | |
| ; SKX-NEXT:    vpmovwb %xmm0, (%rdi)
 | |
| ; SKX-NEXT:    retq
 | |
|     %x = trunc <8 x i16> %i to <8 x i8>
 | |
|     store <8 x i8> %x, <8 x i8>* %res
 | |
|     ret void
 | |
| }
 |