65 lines
1.9 KiB
LLVM
65 lines
1.9 KiB
LLVM
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; RUN: llc -march=hexagon -O3 < %s
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; REQUIRES: asserts
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; Test that the compiler doesn't assert when attempting to find a
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; loop instruction that has been deleted, so FindLoopInstr returns
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; the loop instruction from a different loop.
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@g0 = external global i32
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; Function Attrs: nounwind
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define void @f0() #0 {
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b0:
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%v0 = alloca i64, align 8
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%v1 = bitcast i64* %v0 to [2 x i32]*
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%v2 = load i32, i32* @g0, align 4
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br i1 undef, label %b1, label %b2
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b1: ; preds = %b1, %b0
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%v3 = phi i32 [ %v4, %b1 ], [ 64, %b0 ]
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%v4 = add nsw i32 %v3, 1
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%v5 = icmp slt i32 %v4, %v2
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br i1 %v5, label %b1, label %b2
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b2: ; preds = %b6, %b3, %b1, %b0
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br label %b4
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b3: ; preds = %b4
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br i1 undef, label %b4, label %b2
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b4: ; preds = %b3, %b2
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%v6 = icmp slt i32 undef, 1
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br i1 %v6, label %b3, label %b5
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b5: ; preds = %b5, %b4
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%v7 = phi i32 [ %v18, %b5 ], [ 1, %b4 ]
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%v8 = phi i32 [ %v19, %b5 ], [ 0, %b4 ]
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%v9 = add nsw i32 %v8, 0
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%v10 = lshr i32 %v9, 5
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%v11 = getelementptr inbounds [2 x i32], [2 x i32]* %v1, i32 0, i32 %v10
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%v12 = load i32, i32* %v11, align 4
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%v13 = and i32 %v9, 31
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%v14 = shl i32 1, %v13
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%v15 = and i32 %v12, %v14
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%v16 = icmp ne i32 %v15, 0
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%v17 = zext i1 %v16 to i32
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%v18 = and i32 %v17, %v7
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%v19 = add nsw i32 %v8, 1
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%v20 = icmp eq i32 %v19, 1
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br i1 %v20, label %b6, label %b5
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b6: ; preds = %b5
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%v21 = icmp eq i32 %v18, 0
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br i1 %v21, label %b2, label %b7
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b7: ; preds = %b6
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tail call void @f1() #1
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unreachable
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}
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; Function Attrs: nounwind
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declare void @f1() #1
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attributes #0 = { nounwind "target-cpu"="hexagonv55" }
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attributes #1 = { nounwind }
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