1 ; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 -enable-ppc-prefetching=true | FileCheck %s
2 ; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 -enable-ppc-prefetching=true -cache-line-size=64 | FileCheck %s -check-prefix=CHECK-DCBT
3 ; RUN: llc < %s -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 -enable-ppc-prefetching=true | FileCheck %s
4 ; RUN: llc < %s -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 -enable-ppc-prefetching=true -cache-line-size=64 | FileCheck %s -check-prefix=CHECK-DCBT
5 ; RUN: llc < %s -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr9 -enable-ppc-prefetching=true | FileCheck %s
6 ; RUN: llc < %s -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr9 -enable-ppc-prefetching=true -cache-line-size=64 | FileCheck %s -check-prefix=CHECK-DCBT
7 ; RUN: llc < %s -mtriple=ppc64-- -mcpu=a2 -enable-ppc-prefetching=true | FileCheck %s -check-prefix=CHECK-DCBT
9 ; Function Attrs: nounwind
10 define signext i32 @check_cache_line() local_unnamed_addr {
12 %call = tail call ptr @magici()
13 %call115 = tail call signext i32 @iter()
14 %cmp16 = icmp sgt i32 %call115, 0
15 br i1 %cmp16, label %for.body, label %for.cond.cleanup
17 for.cond.cleanup: ; preds = %for.body, %entry
18 %res.0.lcssa = phi i32 [ 0, %entry ], [ %add5, %for.body ]
21 for.body: ; preds = %entry, %for.body
22 %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
23 %res.017 = phi i32 [ %add5, %for.body ], [ 0, %entry ]
24 %arrayidx = getelementptr inbounds i32, ptr %call, i64 %indvars.iv
25 %0 = load i32, ptr %arrayidx, align 4
26 %add = add nsw i32 %0, %res.017
27 %1 = add nuw nsw i64 %indvars.iv, 16
28 %arrayidx4 = getelementptr inbounds i32, ptr %call, i64 %1
29 %2 = load i32, ptr %arrayidx4, align 4
30 %add5 = add nsw i32 %add, %2
31 %indvars.iv.next = add nuw i64 %indvars.iv, 1
32 %call1 = tail call signext i32 @iter()
33 %3 = sext i32 %call1 to i64
34 %cmp = icmp slt i64 %indvars.iv.next, %3
35 br i1 %cmp, label %for.body, label %for.cond.cleanup
36 ; CHECK-LABEL: check_cache_line
40 ; CHECK-DCBT-LABEL: check_cache_line
46 declare ptr @magici(...) local_unnamed_addr
48 declare signext i32 @iter(...) local_unnamed_addr