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[X86][SSE] Regenerate truncated shift test 

Check SSE2 and AVX2 implementations

llvm-svn: 275300
This commit is contained in:
Simon Pilgrim 2016-07-13 18:50:10 +00:00
parent 631643e7d9
commit 5d664af3c3
1 changed files with 20 additions and 6 deletions
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26
llvm/test/CodeGen/X86/reduce-trunc-shl.ll
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@ -1,11 +1,25 @@
; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+avx2 < %s | FileCheck %s
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mattr=+sse2 | FileCheck %s --check-prefix=SSE2
; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mattr=+avx2 | FileCheck %s --check-prefix=AVX2
; CHECK-LABEL: {{^}}trunc_shl_7_v4i32_v4i64:
; CHECK: vpshufd $136, (%rsi), %ymm0
; CHECK: vpermq $236, %ymm0, %ymm0
; CHECK: vpslld $7, %xmm0, %xmm0
; CHECK: vmovdqa %xmm0, (%rdi)
define void @trunc_shl_7_v4i32_v4i64(<4 x i32> addrspace(1)* %out, <4 x i64> addrspace(1)* %in) {
; SSE2-LABEL: trunc_shl_7_v4i32_v4i64:
; SSE2: # BB#0:
; SSE2-NEXT: pshufd {{.*#+}} xmm0 = mem[0,2,2,3]
; SSE2-NEXT: pshufd {{.*#+}} xmm1 = mem[0,2,2,3]
; SSE2-NEXT: punpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm0[0]
; SSE2-NEXT: pslld $7, %xmm1
; SSE2-NEXT: movdqa %xmm1, (%rdi)
; SSE2-NEXT: retq
;
; AVX2-LABEL: trunc_shl_7_v4i32_v4i64:
; AVX2: # BB#0:
; AVX2-NEXT: vpshufd {{.*#+}} ymm0 = mem[0,2,0,2,4,6,4,6]
; AVX2-NEXT: vpermq {{.*#+}} ymm0 = ymm0[0,3,2,3]
; AVX2-NEXT: vpslld $7, %xmm0, %xmm0
; AVX2-NEXT: vmovdqa %xmm0, (%rdi)
; AVX2-NEXT: vzeroupper
; AVX2-NEXT: retq
%val = load <4 x i64>, <4 x i64> addrspace(1)* %in
%shl = shl <4 x i64> %val, <i64 7, i64 7, i64 7, i64 7>
%trunc = trunc <4 x i64> %shl to <4 x i32>