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TheRock/compiler/amd-llvm/llvm/test/CodeGen/PowerPC/ppc64-get-cache-line-size.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

50 lines
2.3 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 -cache-line-size=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 -cache-line-size=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 -cache-line-size=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 ptr @magici()
%call115 = tail call signext i32 @iter()
%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, ptr %call, i64 %indvars.iv
%0 = load i32, ptr %arrayidx, align 4
%add = add nsw i32 %0, %res.017
%1 = add nuw nsw i64 %indvars.iv, 16
%arrayidx4 = getelementptr inbounds i32, ptr %call, i64 %1
%2 = load i32, ptr %arrayidx4, align 4
%add5 = add nsw i32 %add, %2
%indvars.iv.next = add nuw i64 %indvars.iv, 1
%call1 = tail call signext i32 @iter()
%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 ptr @magici(...) local_unnamed_addr
declare signext i32 @iter(...) local_unnamed_addr