llvm/test/CodeGen/Thumb2/thumb2-bfc.ll
David Goodwin c2ffd286af Fix detection of valid BFC immediates.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75576 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-14 00:57:56 +00:00

26 lines
513 B
LLVM

; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep "bfc " | count 3
; 4278190095 = 0xff00000f
define i32 @f1(i32 %a) {
%tmp = and i32 %a, 4278190095
ret i32 %tmp
}
; 4286578688 = 0xff800000
define i32 @f2(i32 %a) {
%tmp = and i32 %a, 4286578688
ret i32 %tmp
}
; 4095 = 0x00000fff
define i32 @f3(i32 %a) {
%tmp = and i32 %a, 4095
ret i32 %tmp
}
; 2147483646 = 0x7ffffffe not implementable w/ BFC
define i32 @f4(i32 %a) {
%tmp = and i32 %a, 2147483646
ret i32 %tmp
}