mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 20:29:48 +00:00
9a3dc55202
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122105 91177308-0d34-0410-b5e6-96231b3b80d8
23 lines
814 B
LLVM
23 lines
814 B
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
|
|
define <4 x i32> @psignd_3(<4 x i32> %a, <4 x i32> %b) nounwind ssp {
|
|
entry:
|
|
%cmp = icmp slt <4 x i32> %b, zeroinitializer
|
|
%sext = sext <4 x i1> %cmp to <4 x i32>
|
|
%sub = sub nsw <4 x i32> zeroinitializer, %a
|
|
%0 = icmp slt <4 x i32> %sext, zeroinitializer
|
|
%sext3 = sext <4 x i1> %0 to <4 x i32>
|
|
%1 = xor <4 x i32> %sext3, <i32 -1, i32 -1, i32 -1, i32 -1>
|
|
%2 = and <4 x i32> %a, %1
|
|
%3 = and <4 x i32> %sext3, %sub
|
|
%cond = or <4 x i32> %2, %3
|
|
ret <4 x i32> %cond
|
|
|
|
; CHECK: ashr <4 x i32> %b, <i32 31, i32 31, i32 31, i32 31>
|
|
; CHECK: sub nsw <4 x i32> zeroinitializer, %a
|
|
; CHECK: xor <4 x i32> %b.lobit, <i32 -1, i32 -1, i32 -1, i32 -1>
|
|
; CHECK: and <4 x i32> %a, %0
|
|
; CHECK: and <4 x i32> %b.lobit, %sub
|
|
; CHECK: or <4 x i32> %1, %2
|
|
}
|