forked from OSchip/llvm-project
41 lines
1.4 KiB
LLVM
41 lines
1.4 KiB
LLVM
|
; RUN: llc < %s -march=lanai | FileCheck %s
|
||
|
|
; RUN: llc < %s -march=lanai -disable-lanai-mem-alu-combiner | \
|
||
|
|
; RUN: FileCheck %s -check-prefix=CHECK-DIS
|
||
|
|
|
||
|
|
; CHECK-LABEL: sum,
|
||
|
|
; CHECK: ++],
|
||
|
|
; CHECK-DIS-LABEL: sum,
|
||
|
|
; CHECK-DIS-NOT: ++],
|
||
|
|
|
||
|
|
define i32 @sum(i32* inreg nocapture readonly %data, i32 inreg %n) #0 {
|
||
|
|
entry:
|
||
|
|
%cmp6 = icmp sgt i32 %n, 0
|
||
|
|
br i1 %cmp6, label %for.body.preheader, label %for.cond.cleanup
|
||
|
|
|
||
|
|
for.body.preheader: ; preds = %entry
|
||
|
|
br label %for.body
|
||
|
|
|
||
|
|
for.cond.cleanup.loopexit: ; preds = %for.body
|
||
|
|
%add.lcssa = phi i32 [ %add, %for.body ]
|
||
|
|
br label %for.cond.cleanup
|
||
|
|
|
||
|
|
for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry
|
||
|
|
%sum_.0.lcssa = phi i32 [ 0, %entry ], [ %add.lcssa, %for.cond.cleanup.loopexit ]
|
||
|
|
ret i32 %sum_.0.lcssa
|
||
|
|
|
||
|
|
for.body: ; preds = %for.body.preheader, %for.body
|
||
|
|
%i.08 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ]
|
||
|
|
%sum_.07 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]
|
||
|
|
%arrayidx = getelementptr inbounds i32, i32* %data, i32 %i.08
|
||
|
|
%0 = load i32, i32* %arrayidx, align 4, !tbaa !0
|
||
|
|
%add = add nsw i32 %0, %sum_.07
|
||
|
|
%inc = add nuw nsw i32 %i.08, 1
|
||
|
|
%exitcond = icmp eq i32 %inc, %n
|
||
|
|
br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body
|
||
|
|
}
|
||
|
|
|
||
|
|
!0 = !{!1, !1, i64 0}
|
||
|
|
!1 = !{!"int", !2, i64 0}
|
||
|
|
!2 = !{!"omnipotent char", !3, i64 0}
|
||
|
|
!3 = !{!"Simple C/C++ TBAA"}
|