RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-23 19:23:23 +01:00
Code Issues Projects Releases Wiki Activity

[X86][SSE] Added knownbits through bitcast test

Browse Source 
llvm-svn: 287928
This commit is contained in:
Simon Pilgrim 2016-11-25 15:07:15 +00:00
parent 7cab062130
commit 9840476c6c
1 changed files with 29 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
test/CodeGen/X86/known-bits-vector.ll
View File

@ -350,3 +350,32 @@ define <8 x float> @knownbits_mask_concat_uitofp(<4 x i32> %a0, <4 x i32> %a1) n
%4 = uitofp <8 x i32> %3 to <8 x float> %4 = uitofp <8 x i32> %3 to <8 x float>
ret <8 x float> %4 ret <8 x float> %4
} }
define <4 x float> @knownbits_lshr_bitcast_shuffle_uitofp(<2 x i64> %a0, <4 x i32> %a1) nounwind {
; X32-LABEL: knownbits_lshr_bitcast_shuffle_uitofp:
; X32: # BB#0:
; X32-NEXT: vpsrlq $1, %xmm0, %xmm0
; X32-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[1,1,3,3]
; X32-NEXT: vpblendw {{.*#+}} xmm1 = xmm0[0],mem[1],xmm0[2],mem[3],xmm0[4],mem[5],xmm0[6],mem[7]
; X32-NEXT: vpsrld $16, %xmm0, %xmm0
; X32-NEXT: vpblendw {{.*#+}} xmm0 = xmm0[0],mem[1],xmm0[2],mem[3],xmm0[4],mem[5],xmm0[6],mem[7]
; X32-NEXT: vaddps {{\.LCPI.*}}, %xmm0, %xmm0
; X32-NEXT: vaddps %xmm0, %xmm1, %xmm0
; X32-NEXT: retl
;
; X64-LABEL: knownbits_lshr_bitcast_shuffle_uitofp:
; X64: # BB#0:
; X64-NEXT: vpsrlq $1, %xmm0, %xmm0
; X64-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[1,1,3,3]
; X64-NEXT: vpblendw {{.*#+}} xmm1 = xmm0[0],mem[1],xmm0[2],mem[3],xmm0[4],mem[5],xmm0[6],mem[7]
; X64-NEXT: vpsrld $16, %xmm0, %xmm0
; X64-NEXT: vpblendw {{.*#+}} xmm0 = xmm0[0],mem[1],xmm0[2],mem[3],xmm0[4],mem[5],xmm0[6],mem[7]
; X64-NEXT: vaddps {{.*}}(%rip), %xmm0, %xmm0
; X64-NEXT: vaddps %xmm0, %xmm1, %xmm0
; X64-NEXT: retq
%1 = lshr <2 x i64> %a0, <i64 1, i64 1>
%2 = bitcast <2 x i64> %1 to <4 x i32>
%3 = shufflevector <4 x i32> %2, <4 x i32> undef, <4 x i32> <i32 1, i32 1, i32 3, i32 3>
%4 = uitofp <4 x i32> %3 to <4 x float>
ret <4 x float> %4
}