1 ; RUN: llc -march=hexagon < %s | FileCheck %s 2 ; The result of max(half-word, half-word) is also half-word. 3 ; Check that we are not producing a sign extend after the max. 4 ; CHECK-NOT: sxth 5 6 define i64 @test_cast(i64 %arg0, i16 zeroext %arg1, i16 zeroext %arg2) nounwind readnone { 7 entry: 8 %conv.i = zext i16 %arg1 to i32 9 %conv1.i = zext i16 %arg2 to i32 10 %sub.i = sub nsw i32 %conv.i, %conv1.i 11 %sext.i = shl i32 %sub.i, 16 12 %cmp.i = icmp slt i32 %sext.i, 65536 13 %0 = ashr exact i32 %sext.i, 16 14 %conv7.i = select i1 %cmp.i, i32 1, i32 %0 15 %cmp8.i = icmp sgt i32 %conv7.i, 4 16 %conv7.op.i = add i32 %conv7.i, 65535 17 %shl = shl i64 %arg0, 2 18 %.mask = and i32 %conv7.op.i, 65535 19 %1 = zext i32 %.mask to i64 20 %conv = select i1 %cmp8.i, i64 3, i64 %1 21 %or = or i64 %conv, %shl 22 ret i64 %or 23 } 24
