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