50 lines
2.4 KiB
LLVM
50 lines
2.4 KiB
LLVM
; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 -enable-ppc-prefetching=true | FileCheck %s
|
|
; 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
|
|
; RUN: llc < %s -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 -enable-ppc-prefetching=true | FileCheck %s
|
|
; 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
|
|
; RUN: llc < %s -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr9 -enable-ppc-prefetching=true | FileCheck %s
|
|
; 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
|
|
; RUN: llc < %s -mtriple=ppc64-- -mcpu=a2 -enable-ppc-prefetching=true | FileCheck %s -check-prefix=CHECK-DCBT
|
|
|
|
; Function Attrs: nounwind
|
|
define signext i32 @check_cache_line() local_unnamed_addr {
|
|
entry:
|
|
%call = tail call i32* bitcast (i32* (...)* @magici to i32* ()*)()
|
|
%call115 = tail call signext i32 bitcast (i32 (...)* @iter to i32 ()*)()
|
|
%cmp16 = icmp sgt i32 %call115, 0
|
|
br i1 %cmp16, label %for.body, label %for.cond.cleanup
|
|
|
|
for.cond.cleanup: ; preds = %for.body, %entry
|
|
%res.0.lcssa = phi i32 [ 0, %entry ], [ %add5, %for.body ]
|
|
ret i32 %res.0.lcssa
|
|
|
|
for.body: ; preds = %entry, %for.body
|
|
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
|
|
%res.017 = phi i32 [ %add5, %for.body ], [ 0, %entry ]
|
|
%arrayidx = getelementptr inbounds i32, i32* %call, i64 %indvars.iv
|
|
%0 = load i32, i32* %arrayidx, align 4
|
|
%add = add nsw i32 %0, %res.017
|
|
%1 = add nuw nsw i64 %indvars.iv, 16
|
|
%arrayidx4 = getelementptr inbounds i32, i32* %call, i64 %1
|
|
%2 = load i32, i32* %arrayidx4, align 4
|
|
%add5 = add nsw i32 %add, %2
|
|
%indvars.iv.next = add nuw i64 %indvars.iv, 1
|
|
%call1 = tail call signext i32 bitcast (i32 (...)* @iter to i32 ()*)()
|
|
%3 = sext i32 %call1 to i64
|
|
%cmp = icmp slt i64 %indvars.iv.next, %3
|
|
br i1 %cmp, label %for.body, label %for.cond.cleanup
|
|
; CHECK-LABEL: check_cache_line
|
|
; CHECK: dcbt
|
|
; CHECK-NOT: dcbt
|
|
; CHECK: blr
|
|
; CHECK-DCBT-LABEL: check_cache_line
|
|
; CHECK-DCBT: dcbt
|
|
; CHECK-DCBT: dcbt
|
|
; CHECK-DCBT: blr
|
|
}
|
|
|
|
declare i32* @magici(...) local_unnamed_addr
|
|
|
|
declare signext i32 @iter(...) local_unnamed_addr
|
|
|