1 ; RUN: llc -march=arm64 -o - %s | FileCheck %s 2 3 ; This is mostly a "don't assert" test. The type of the RHS of a shift depended 4 ; on the phase of legalization, which led to the creation of an unexpected and 5 ; unselectable "rotr" node: (i32 (rotr i32, i64)). 6 7 ; FIXME: This test is xfailed because it relies on an optimization that has 8 ; been reverted (see PR17975). 9 ; XFAIL: * 10 11 define void @foo(i64* nocapture %d) { 12 ; CHECK-LABEL: foo: 13 ; CHECK: rorv 14 %tmp = load i64, i64* undef, align 8 15 %sub397 = sub i64 0, %tmp 16 %and398 = and i64 %sub397, 4294967295 17 %shr404 = lshr i64 %and398, 0 18 %or405 = or i64 0, %shr404 19 %xor406 = xor i64 %or405, 0 20 %xor417 = xor i64 0, %xor406 21 %xor428 = xor i64 0, %xor417 22 %sub430 = sub i64 %xor417, 0 23 %and431 = and i64 %sub430, 4294967295 24 %and432 = and i64 %xor428, 31 25 %sub433 = sub i64 32, %and432 26 %shl434 = shl i64 %and431, %sub433 27 %shr437 = lshr i64 %and431, %and432 28 %or438 = or i64 %shl434, %shr437 29 %xor439 = xor i64 %or438, %xor428 30 %sub441 = sub i64 %xor439, 0 31 store i64 %sub441, i64* %d, align 8 32 ret void 33 } 34
