llvm/test/CodeGen/ARM/long_shift.ll

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; RUN: llvm-as < %s | llc -march=arm &&
; RUN: llvm-as < %s | llc -march=arm | grep rrx | wc -l | grep 1 &&
; RUN: llvm-as < %s | llc -march=arm | grep __ashldi3 &&
; RUN: llvm-as < %s | llc -march=arm | grep __ashrdi3 &&
; RUN: llvm-as < %s | llc -march=arm | grep __lshrdi3 &&
; RUN: llvm-as < %s | llc -march=arm -enable-thumb
define i64 @f00(i64 %A, i64 %B) {
%tmp = bitcast i64 %A to i64
%tmp2 = lshr i64 %B, i8 1
%tmp3 = sub i64 %tmp, %tmp2
ret i64 %tmp3
}
define i32 @f1(i64 %x, i8 %y) {
%a = shl i64 %x, i8 %y
%b = trunc i64 %a to i32
ret i32 %b
}
define i32 @f2(i64 %x, i8 %y) {
%a = ashr i64 %x, i8 %y
%b = trunc i64 %a to i32
ret i32 %b
}
define i32 @f3(i64 %x, i8 %y) {
%a = lshr i64 %x, i8 %y
%b = trunc i64 %a to i32
ret i32 %b
}