| ; RUN: llc < %s -mtriple=lanai-unknown-unknown | FileCheck %s |
| |
| ; Test left-shift i64 lowering does not result in call being inserted. |
| |
| ; CHECK-LABEL: shift |
| ; CHECKT: bt __ashldi3 |
| ; CHECK: or %r0, 0x0, %r[[T0:[0-9]+]] |
| ; CHECK: mov 0x20, %r[[T1:[0-9]+]] |
| ; CHECK: sub %r[[T1]], %r[[ShAmt:[0-9]+]], %r[[T1]] |
| ; CHECK: sub %r0, %r[[T1]], %r[[T1]] |
| ; CHECK: sh %r[[ShOpB:[0-9]+]], %r[[T1]], %r[[T1]] |
| ; CHECK: sub.f %r[[ShAmt]], 0x0, %r0 |
| ; CHECK: sel.eq %r0, %r[[T1]], %r[[T1]] |
| ; CHECK: sh %r[[ShOpA:[0-9]+]], %r[[ShAmt]], %r[[T2:[0-9]+]] |
| ; CHECK: or %r[[T1]], %r[[T2]], %rv |
| ; CHECK: sub.f %r[[ShAmt]], 0x20, %r[[T1]] |
| ; CHECK: sh.pl %r[[ShOpB]], %r[[T1]], %rv |
| ; CHECK: sh.mi %r[[ShOpB]], %r[[ShAmt]], %r[[T0]] |
| |
| define i64 @shift(i64 inreg, i32 inreg) { |
| %3 = zext i32 %1 to i64 |
| %4 = shl i64 %0, %3 |
| ret i64 %4 |
| } |
