replica
/
hanchenye-llvm-project
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

[X86][AVX] Added test for broadcast shuffle from binary sources with undefs (D36393) 

llvm-svn: 310317
This commit is contained in:
Simon Pilgrim 2017-08-07 22:20:06 +00:00
parent 736c44c848
commit 8c1167df5c
1 changed files with 24 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
llvm/test/CodeGen/X86/avx-vbroadcast.ll
View File

@ -851,6 +851,30 @@ define <4 x double> @broadcast_shuffle_1000(double* %p) {
ret <4 x double> %3
}
define <4 x double> @broadcast_shuffle1032(double* %p) {
; X32-LABEL: broadcast_shuffle1032:
; X32: ## BB#0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero
; X32-NEXT: vmovddup {{.*#+}} xmm1 = xmm0[0,0]
; X32-NEXT: vinsertf128 $1, %xmm0, %ymm1, %ymm0
; X32-NEXT: vpermilpd {{.*#+}} ymm0 = ymm0[1,0,3,2]
; X32-NEXT: retl
;
; X64-LABEL: broadcast_shuffle1032:
; X64: ## BB#0:
; X64-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero
; X64-NEXT: vmovddup {{.*#+}} xmm1 = xmm0[0,0]
; X64-NEXT: vinsertf128 $1, %xmm0, %ymm1, %ymm0
; X64-NEXT: vpermilpd {{.*#+}} ymm0 = ymm0[1,0,3,2]
; X64-NEXT: retq
%1 = load double, double* %p
%2 = insertelement <2 x double> undef, double %1, i32 1
%3 = insertelement <2 x double> undef, double %1, i32 0
%4 = shufflevector <2 x double> %2, <2 x double> %3, <4 x i32> <i32 1, i32 0, i32 3, i32 2>
ret <4 x double> %4
}
;
; When VBROADCAST replaces an existing load, ensure it still respects lifetime dependencies.
;