| ; RUN: llc < %s -march=nvptx | FileCheck %s |
| ; RUN: %if ptxas %{ llc < %s -march=nvptx | %ptxas-verify %} |
| |
| declare i64 @llvm.nvvm.rotate.b64(i64, i32) |
| declare i64 @llvm.nvvm.rotate.right.b64(i64, i32) |
| |
| ; CHECK: rotate64 |
| define i64 @rotate64(i64 %a, i32 %b) { |
| ; CHECK: shl.b64 [[LHS:%.*]], [[RD1:%.*]], 3; |
| ; CHECK: shr.b64 [[RHS:%.*]], [[RD1]], 61; |
| ; CHECK: add.u64 [[RD2:%.*]], [[LHS]], [[RHS]]; |
| ; CHECK: ret |
| %val = tail call i64 @llvm.nvvm.rotate.b64(i64 %a, i32 3) |
| ret i64 %val |
| } |
| |
| ; CHECK: rotateright64 |
| define i64 @rotateright64(i64 %a, i32 %b) { |
| ; CHECK: shl.b64 [[LHS:%.*]], [[RD1:%.*]], 61; |
| ; CHECK: shr.b64 [[RHS:%.*]], [[RD1]], 3; |
| ; CHECK: add.u64 [[RD2:%.*]], [[LHS]], [[RHS]]; |
| ; CHECK: ret |
| %val = tail call i64 @llvm.nvvm.rotate.right.b64(i64 %a, i32 3) |
| ret i64 %val |
| } |