| ; RUN: llc < %s -march=x86-64 > %t |
| ; RUN: grep inc %t | count 1 |
| ; RUN: not grep incw %t |
| |
| @X = common global i16 0 ; <i16*> [#uses=1] |
| |
| define i32 @foo(i32 %N) nounwind { |
| entry: |
| %0 = icmp sgt i32 %N, 0 ; <i1> [#uses=1] |
| br i1 %0, label %bb, label %return |
| |
| bb: ; preds = %bb, %entry |
| %i.03 = phi i32 [ 0, %entry ], [ %indvar.next, %bb ] ; <i32> [#uses=2] |
| %1 = trunc i32 %i.03 to i16 ; <i16> [#uses=1] |
| store volatile i16 %1, i16* @X, align 2 |
| %indvar.next = add i32 %i.03, 1 ; <i32> [#uses=2] |
| %exitcond = icmp eq i32 %indvar.next, %N ; <i1> [#uses=1] |
| br i1 %exitcond, label %return, label %bb |
| |
| return: ; preds = %bb, %entry |
| %h = phi i32 [ 0, %entry ], [ %indvar.next, %bb ] |
| ret i32 %h |
| } |