| ; RUN: opt < %s -S -mtriple=powerpc64-unknown-linux-gnu -mcpu=a2 -loop-unroll | FileCheck %s | |
| 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-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" | |
| ;; Check that we do emit expensive instructions to compute trip | |
| ;; counts when unrolling loops on the a2 (because we unroll a lot). | |
| define i32 @test(i64 %v12, i8* %array, i64* %loc) { | |
| ; CHECK-LABEL: @test( | |
| ; CHECK: udiv | |
| entry: | |
| %step = load i64, i64* %loc, !range !0 | |
| br label %loop | |
| loop: ; preds = %entry, %loop | |
| %k.015 = phi i64 [ %v15, %loop ], [ %v12, %entry ] | |
| %v14 = getelementptr inbounds i8, i8* %array, i64 %k.015 | |
| store i8 0, i8* %v14 | |
| %v15 = add nuw nsw i64 %k.015, %step | |
| %v16 = icmp slt i64 %v15, 8193 | |
| br i1 %v16, label %loop, label %loopexit | |
| loopexit: ; preds = %loop | |
| ret i32 0 | |
| } | |
| !0 = !{i64 1, i64 100} |