forked from OSchip/llvm-project
43 lines
1.4 KiB
LLVM
43 lines
1.4 KiB
LLVM
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; RUN: llc -march=hexagon -mcpu=hexagonv5 -enable-pipeliner -pipeliner-max-stages=2 < %s
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; REQUIRES: asserts
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; This tests check that a dependence is created between a Phi and it's uses.
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; An assert occurs if the Phi dependences are not correct.
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define void @test1(i32* %f2, i32 %nc) {
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entry:
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%i.011 = add i32 %nc, -1
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%cmp12 = icmp sgt i32 %i.011, 1
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br i1 %cmp12, label %for.body.preheader, label %for.end
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for.body.preheader:
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%0 = add i32 %nc, -2
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%scevgep = getelementptr i32, i32* %f2, i32 %0
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%sri = load i32, i32* %scevgep, align 4
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%scevgep15 = getelementptr i32, i32* %f2, i32 %i.011
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%sri16 = load i32, i32* %scevgep15, align 4
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br label %for.body
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for.body:
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%i.014 = phi i32 [ %i.0, %for.body ], [ %i.011, %for.body.preheader ]
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%i.0.in13 = phi i32 [ %i.014, %for.body ], [ %nc, %for.body.preheader ]
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%sr = phi i32 [ %1, %for.body ], [ %sri, %for.body.preheader ]
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%sr17 = phi i32 [ %sr, %for.body ], [ %sri16, %for.body.preheader ]
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%arrayidx = getelementptr inbounds i32, i32* %f2, i32 %i.014
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%sub1 = add nsw i32 %i.0.in13, -3
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%arrayidx2 = getelementptr inbounds i32, i32* %f2, i32 %sub1
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%1 = load i32, i32* %arrayidx2, align 4
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%sub3 = sub nsw i32 %sr17, %1
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store i32 %sub3, i32* %arrayidx, align 4
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%i.0 = add nsw i32 %i.014, -1
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%cmp = icmp sgt i32 %i.0, 1
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br i1 %cmp, label %for.body, label %for.end.loopexit
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for.end.loopexit:
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br label %for.end
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for.end:
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ret void
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}
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