56 lines
1.1 KiB
LLVM
56 lines
1.1 KiB
LLVM
; RUN: opt -passes="verify<scalar-evolution>,lcssa,verify<scalar-evolution>" -verify-scev-strict -S -disable-output %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 @test(i32* %arg, i32* %arg1, i1 %arg2, i1 %arg3) {
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bb:
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br label %bb6
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bb5:
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br label %bb6
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bb6:
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br label %bb7
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bb7:
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%tmp = load i32, i32* %arg
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%tmp8 = load i32, i32* %arg1
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%tmp9 = add i32 %tmp8, %tmp
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%tmp10 = icmp sgt i32 %tmp9, %tmp
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br i1 %tmp10, label %bb11, label %bb17
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bb11:
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br i1 %arg3, label %bb12, label %bb14
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bb12:
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br label %bb13
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bb13:
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br label %bb17
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bb14:
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br label %bb15
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bb15:
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%tmp16 = add nsw i32 %tmp, 1
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ret void
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bb17:
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%tmp18 = phi i32 [ 0, %bb7 ], [ %tmp8, %bb13 ]
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br i1 %arg2, label %bb24, label %bb19
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bb19:
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br label %bb20
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bb20:
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%tmp21 = phi i32 [ %tmp22, %bb20 ], [ 0, %bb19 ]
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%tmp22 = add nuw nsw i32 %tmp21, 1
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%tmp23 = icmp slt i32 %tmp22, %tmp18
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br i1 %tmp23, label %bb20, label %bb5
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bb24:
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ret void
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}
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