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Add rev16 test... xfail for now

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75012 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Goodwin 2009-07-08 16:15:06 +00:00
parent a565f7a498
commit a928f27d23
1 changed files with 32 additions and 0 deletions
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32
test/CodeGen/Thumb2/thumb2-rev16.ll Normal file
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@ -0,0 +1,32 @@
; XFAIL: *
; fixme rev16 pattern is not matching
; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {rev16\\W*r\[0-9\]*,\\W*r\[0-9\]*} | count 1
; 0xff00ff00 = 4278255360
; 0x00ff00ff = 16711935
define i32 @f1(i32 %a) {
%l8 = shl i32 %a, 8
%r8 = lshr i32 %a, 8
%mask_l8 = and i32 %l8, 4278255360
%mask_r8 = and i32 %r8, 16711935
%tmp = or i32 %mask_l8, %mask_r8
ret i32 %tmp
}
; 0xff000000 = 4278190080
; 0x00ff0000 = 16711680
; 0x0000ff00 = 65280
; 0x000000ff = 255
define i32 @f2(i32 %a) {
%l8 = shl i32 %a, 8
%r8 = lshr i32 %a, 8
%masklo_l8 = and i32 %l8, 65280
%maskhi_l8 = and i32 %l8, 4278190080
%masklo_r8 = and i32 %r8, 255
%maskhi_r8 = and i32 %r8, 16711680
%tmp1 = or i32 %masklo_l8, %masklo_r8
%tmp2 = or i32 %maskhi_l8, %maskhi_r8
%tmp = or i32 %tmp1, %tmp2
ret i32 %tmp
}