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llvm-mirror/test/CodeGen/ARM/long_shift.ll

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; RUN: llc < %s -march=arm > %t
; RUN: grep rrx %t | count 1
; RUN: grep __ashldi3 %t
; RUN: grep __ashrdi3 %t
; RUN: grep __lshrdi3 %t
define i64 @f0(i64 %A, i64 %B) {
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%tmp = bitcast i64 %A to i64
%tmp2 = lshr i64 %B, 1
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%tmp3 = sub i64 %tmp, %tmp2
ret i64 %tmp3
}
define i32 @f1(i64 %x, i64 %y) {
%a = shl i64 %x, %y
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%b = trunc i64 %a to i32
ret i32 %b
}
define i32 @f2(i64 %x, i64 %y) {
%a = ashr i64 %x, %y
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%b = trunc i64 %a to i32
ret i32 %b
}
define i32 @f3(i64 %x, i64 %y) {
%a = lshr i64 %x, %y
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%b = trunc i64 %a to i32
ret i32 %b
}