diff --git a/test/CodeGen/ARM64/regress-interphase-shift.ll b/test/CodeGen/ARM64/regress-interphase-shift.ll new file mode 100644 index 00000000000..fddf59195dd --- /dev/null +++ b/test/CodeGen/ARM64/regress-interphase-shift.ll @@ -0,0 +1,29 @@ +; RUN: llc -march=arm64 -o - %s | FileCheck %s + +; This is mostly a "don't assert" test. The type of the RHS of a shift depended +; on the phase of legalization, which led to the creation of an unexpected and +; unselectable "rotr" node: (i32 (rotr i32, i64)). + +define void @foo(i64* nocapture %d) { +; CHECK-LABEL: foo: +; CHECK: rorv + %tmp = load i64* undef, align 8 + %sub397 = sub i64 0, %tmp + %and398 = and i64 %sub397, 4294967295 + %shr404 = lshr i64 %and398, 0 + %or405 = or i64 0, %shr404 + %xor406 = xor i64 %or405, 0 + %xor417 = xor i64 0, %xor406 + %xor428 = xor i64 0, %xor417 + %sub430 = sub i64 %xor417, 0 + %and431 = and i64 %sub430, 4294967295 + %and432 = and i64 %xor428, 31 + %sub433 = sub i64 32, %and432 + %shl434 = shl i64 %and431, %sub433 + %shr437 = lshr i64 %and431, %and432 + %or438 = or i64 %shl434, %shr437 + %xor439 = xor i64 %or438, %xor428 + %sub441 = sub i64 %xor439, 0 + store i64 %sub441, i64* %d, align 8 + ret void +}