| Sean Fertile | 457ddd3 | 2017-05-31 18:20:17 +0000 | [diff] [blame] | 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 -ppc-loop-prefetch-cache-line=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 -ppc-loop-prefetch-cache-line=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 -ppc-loop-prefetch-cache-line=64 | FileCheck %s -check-prefix=CHECK-DCBT |
| 7 | ; RUN: llc < %s -march=ppc64 -mcpu=a2 -enable-ppc-prefetching=true | FileCheck %s -check-prefix=CHECK-DCBT |
| 8 | |
| 9 | ; Function Attrs: nounwind |
| 10 | define signext i32 @check_cache_line() local_unnamed_addr { |
| 11 | entry: |
| 12 | %call = tail call i32* bitcast (i32* (...)* @magici to i32* ()*)() |
| 13 | %call115 = tail call signext i32 bitcast (i32 (...)* @iter to i32 ()*)() |
| 14 | %cmp16 = icmp sgt i32 %call115, 0 |
| 15 | br i1 %cmp16, label %for.body, label %for.cond.cleanup |
| 16 | |
| 17 | for.cond.cleanup: ; preds = %for.body, %entry |
| 18 | %res.0.lcssa = phi i32 [ 0, %entry ], [ %add5, %for.body ] |
| 19 | ret i32 %res.0.lcssa |
| 20 | |
| 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, i32* %call, i64 %indvars.iv |
| 25 | %0 = load i32, i32* %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, i32* %call, i64 %1 |
| 29 | %2 = load i32, i32* %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 bitcast (i32 (...)* @iter to i32 ()*)() |
| 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 | |
| 46 | declare i32* @magici(...) local_unnamed_addr |
| 47 | |
| 48 | declare signext i32 @iter(...) local_unnamed_addr |
| 49 | |