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36 lines
1.4 KiB
LLVM
36 lines
1.4 KiB
LLVM
; RUN: llc < %s -march=lanai | FileCheck %s
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; RUN: llc < %s -march=lanai -disable-lanai-mem-alu-combiner | \
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; RUN: FileCheck %s -check-prefix=CHECK-DIS
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; CHECK-LABEL: sum,
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; CHECK: ld [%r{{[0-9]+}}++], %r{{[0-9]+}}{{$}}
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; CHECK-DIS-LABEL: sum,
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; CHECK-DIS-NOT: ++],
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define i32 @sum(i32* inreg nocapture readonly %data, i32 inreg %n) {
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entry:
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%cmp6 = icmp sgt i32 %n, 0
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br i1 %cmp6, label %for.body.preheader, label %for.cond.cleanup
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for.body.preheader: ; preds = %entry
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br label %for.body
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for.cond.cleanup.loopexit: ; preds = %for.body
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%add.lcssa = phi i32 [ %add, %for.body ]
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br label %for.cond.cleanup
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for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry
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%sum_.0.lcssa = phi i32 [ 0, %entry ], [ %add.lcssa, %for.cond.cleanup.loopexit ]
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ret i32 %sum_.0.lcssa
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for.body: ; preds = %for.body.preheader, %for.body
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%i.08 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ]
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%sum_.07 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]
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%arrayidx = getelementptr inbounds i32, i32* %data, i32 %i.08
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%0 = load i32, i32* %arrayidx, align 4
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%add = add nsw i32 %0, %sum_.07
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%inc = add nuw nsw i32 %i.08, 1
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%exitcond = icmp eq i32 %inc, %n
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br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body
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}
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