[X86] Stop promoting vector and/or/xor/andn to vXi64.
These promotions add additional bitcasts to the SelectionDAG that can pessimize computeKnownBits/computeNumSignBits. It also seems to interfere with broadcast formation.
This patch removes the promotion and adds isel patterns instead.
The increased table size is more than I would like, but hopefully we can find some canonicalizations or other tricks to start pruning out patterns going forward.
Differential Revision: https://reviews.llvm.org/D53268
llvm-svn: 345408
diff --git a/llvm/test/CodeGen/X86/unfold-masked-merge-vector-variablemask-const.ll b/llvm/test/CodeGen/X86/unfold-masked-merge-vector-variablemask-const.ll
index f109d69..7cb0d3f 100644
--- a/llvm/test/CodeGen/X86/unfold-masked-merge-vector-variablemask-const.ll
+++ b/llvm/test/CodeGen/X86/unfold-masked-merge-vector-variablemask-const.ll
@@ -132,9 +132,9 @@
;
; CHECK-SSE2-LABEL: in_constant_varx_mone_invmask:
; CHECK-SSE2: # %bb.0:
-; CHECK-SSE2-NEXT: movdqa (%rdx), %xmm0
+; CHECK-SSE2-NEXT: movdqa (%rdi), %xmm0
; CHECK-SSE2-NEXT: pcmpeqd %xmm1, %xmm1
-; CHECK-SSE2-NEXT: movdqa (%rdi), %xmm2
+; CHECK-SSE2-NEXT: movdqa (%rdx), %xmm2
; CHECK-SSE2-NEXT: pxor %xmm1, %xmm2
; CHECK-SSE2-NEXT: pandn %xmm2, %xmm0
; CHECK-SSE2-NEXT: pxor %xmm1, %xmm0
@@ -142,9 +142,9 @@
;
; CHECK-XOP-LABEL: in_constant_varx_mone_invmask:
; CHECK-XOP: # %bb.0:
-; CHECK-XOP-NEXT: vmovdqa (%rdx), %xmm0
+; CHECK-XOP-NEXT: vmovdqa (%rdi), %xmm0
; CHECK-XOP-NEXT: vpcmpeqd %xmm1, %xmm1, %xmm1
-; CHECK-XOP-NEXT: vpxor (%rdi), %xmm1, %xmm2
+; CHECK-XOP-NEXT: vpxor (%rdx), %xmm1, %xmm2
; CHECK-XOP-NEXT: vpandn %xmm2, %xmm0, %xmm0
; CHECK-XOP-NEXT: vpxor %xmm1, %xmm0, %xmm0
; CHECK-XOP-NEXT: retq