| ; RUN: llc < %s -march=x86-64 | grep cvtsi2sd |
| |
| ; LSR previously eliminated the sitofp by introducing an induction |
| ; variable which stepped by a bogus ((double)UINT32_C(-1)). It's theoretically |
| ; possible to eliminate the sitofp using a proper -1.0 step though; this |
| ; test should be changed if that is done. |
| |
| define void @foo(i32 %N) nounwind { |
| entry: |
| %0 = icmp slt i32 %N, 0 ; <i1> [#uses=1] |
| br i1 %0, label %bb, label %return |
| |
| bb: ; preds = %bb, %entry |
| %i.03 = phi i32 [ 0, %entry ], [ %2, %bb ] ; <i32> [#uses=2] |
| %1 = sitofp i32 %i.03 to double ; <double> [#uses=1] |
| tail call void @bar(double %1) nounwind |
| %2 = add nsw i32 %i.03, -1 ; <i32> [#uses=2] |
| %exitcond = icmp eq i32 %2, %N ; <i1> [#uses=1] |
| br i1 %exitcond, label %return, label %bb |
| |
| return: ; preds = %bb, %entry |
| ret void |
| } |
| |
| declare void @bar(double) |
