forked from OSchip/llvm-project
38 lines
1.3 KiB
LLVM
38 lines
1.3 KiB
LLVM
; RUN: opt -passes="verify<scalar-evolution>,lcssa,verify<scalar-evolution>" -verify-scev-strict -S %s
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; The first SCEV verification is required because it queries SCEV and populates
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; SCEV caches. Second SCEV verification checks if the caches are in valid state.
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; Check that the second SCEV verification doesn't fail.
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define void @foo(i32* %arg, i32* %arg1, i1 %arg2) {
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bb:
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br label %bb3
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bb3: ; preds = %bb13, %bb
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%tmp = load i32, i32* %arg
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%tmp4 = load i32, i32* %arg1
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%tmp5 = add i32 %tmp4, %tmp
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%tmp6 = icmp sgt i32 %tmp5, %tmp
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br i1 %tmp6, label %bb7, label %bb11
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bb7: ; preds = %bb3
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br i1 %arg2, label %bb10, label %bb8
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bb8: ; preds = %bb7
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%tmp9 = add nsw i32 %tmp, 1
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ret void
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bb10: ; preds = %bb7
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br label %bb11
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bb11: ; preds = %bb10, %bb3
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%tmp12 = phi i32 [ 0, %bb3 ], [ %tmp4, %bb10 ]
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br label %bb13
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bb13: ; preds = %bb13, %bb11
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%tmp14 = phi i32 [ %tmp15, %bb13 ], [ 0, %bb11 ]
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%tmp15 = add nuw nsw i32 %tmp14, 1
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%tmp16 = icmp slt i32 %tmp15, %tmp12
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br i1 %tmp16, label %bb13, label %bb3
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}
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