1 ; RUN: llc -mcpu=a2 -disable-lsr < %s | FileCheck %s 2 target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64" 3 target triple = "powerpc64-unknown-linux-gnu" 4 5 define i32 @test1(i64 %add, i64* %ptr) nounwind { 6 entry: 7 %p1 = getelementptr i64, i64* %ptr, i64 144115188075855 8 br label %for.cond2.preheader 9 10 for.cond2.preheader: 11 %nl.018 = phi i32 [ 0, %entry ], [ %inc9, %for.end ] 12 br label %for.body4 13 14 for.body4: 15 %lsr.iv = phi i32 [ %lsr.iv.next, %for.body4 ], [ 16000, %for.cond2.preheader ] 16 %i0 = phi i64* [ %p1, %for.cond2.preheader ], [ %i6, %for.body4 ] 17 %i6 = getelementptr i64, i64* %i0, i64 400000 18 %i7 = getelementptr i64, i64* %i6, i64 300000 19 %i8 = getelementptr i64, i64* %i6, i64 200000 20 %i9 = getelementptr i64, i64* %i6, i64 100000 21 store i64 %add, i64* %i6, align 32 22 store i64 %add, i64* %i7, align 32 23 store i64 %add, i64* %i8, align 32 24 store i64 %add, i64* %i9, align 32 25 %lsr.iv.next = add i32 %lsr.iv, -16 26 %exitcond.15 = icmp eq i32 %lsr.iv.next, 0 27 br i1 %exitcond.15, label %for.end, label %for.body4 28 29 ; Make sure that we generate the most compact form of this loop with no 30 ; unnecessary moves 31 ; CHECK: @test1 32 ; CHECK: mtctr 33 ; CHECK: stdux 34 ; CHECK-NEXT: stdx 35 ; CHECK-NEXT: stdx 36 ; CHECK-NEXT: stdx 37 ; CHECK-NEXT: bdnz 38 39 for.end: 40 %inc9 = add nsw i32 %nl.018, 1 41 %exitcond = icmp eq i32 %inc9, 400000 42 br i1 %exitcond, label %for.end10, label %for.cond2.preheader 43 44 for.end10: 45 ret i32 0 46 } 47 48
