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 8 9; Function Attrs: nounwind 10define signext i32 @check_cache_line() local_unnamed_addr { 11entry: 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 16 17for.cond.cleanup: ; preds = %for.body, %entry 18 %res.0.lcssa = phi i32 [ 0, %entry ], [ %add5, %for.body ] 19 ret i32 %res.0.lcssa 20 21for.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 37; CHECK: dcbt 38; CHECK-NOT: dcbt 39; CHECK: blr 40; CHECK-DCBT-LABEL: check_cache_line 41; CHECK-DCBT: dcbt 42; CHECK-DCBT: dcbt 43; CHECK-DCBT: blr 44} 45 46declare ptr @magici(...) local_unnamed_addr 47 48declare signext i32 @iter(...) local_unnamed_addr 49 50