1 ; RUN: llc < %s -march=lanai | FileCheck %s 2 ; RUN: llc < %s -march=lanai -disable-lanai-mem-alu-combiner | \ 3 ; RUN: FileCheck %s -check-prefix=CHECK-DIS 4 5 ; CHECK-LABEL: sum, 6 ; CHECK: ld [%r{{[0-9]+}}++], %r{{[0-9]+}}{{$}} 7 ; CHECK-DIS-LABEL: sum, 8 ; CHECK-DIS-NOT: ++], 9 10 define i32 @sum(i32* inreg nocapture readonly %data, i32 inreg %n) { 11 entry: 12 %cmp6 = icmp sgt i32 %n, 0 13 br i1 %cmp6, label %for.body.preheader, label %for.cond.cleanup 14 15 for.body.preheader: ; preds = %entry 16 br label %for.body 17 18 for.cond.cleanup.loopexit: ; preds = %for.body 19 %add.lcssa = phi i32 [ %add, %for.body ] 20 br label %for.cond.cleanup 21 22 for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry 23 %sum_.0.lcssa = phi i32 [ 0, %entry ], [ %add.lcssa, %for.cond.cleanup.loopexit ] 24 ret i32 %sum_.0.lcssa 25 26 for.body: ; preds = %for.body.preheader, %for.body 27 %i.08 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ] 28 %sum_.07 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ] 29 %arrayidx = getelementptr inbounds i32, i32* %data, i32 %i.08 30 %0 = load i32, i32* %arrayidx, align 4 31 %add = add nsw i32 %0, %sum_.07 32 %inc = add nuw nsw i32 %i.08, 1 33 %exitcond = icmp eq i32 %inc, %n 34 br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body 35 } 36
