88 lines
3.1 KiB
LLVM
88 lines
3.1 KiB
LLVM
; RUN: llc -march=hexagon < %s | FileCheck %s
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; Test that we generate multiple using upper result.
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; CHECK: = mpy(r{{[0-9]+}},r{{[0-9]+}})
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; CHECK: = mpy(r{{[0-9]+}},r{{[0-9]+}})
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; CHECK: = mpy(r{{[0-9]+}},r{{[0-9]+}})
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; CHECK: = mpy(r{{[0-9]+}},r{{[0-9]+}})
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@g0 = external constant [1152 x i32], align 8
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@g1 = external constant [2 x i32], align 8
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; Function Attrs: nounwind
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define void @f0(i32* nocapture readonly %a0, i32* %a1, i32* nocapture %a2, i32 %a3, i32 %a4) #0 {
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b0:
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%v0 = getelementptr inbounds i32, i32* %a0, i32 512
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%v1 = getelementptr inbounds i32, i32* %a0, i32 511
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%v2 = getelementptr inbounds i32, i32* %a2, i32 1023
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%v3 = getelementptr inbounds i32, i32* %a1, i32 1023
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br label %b1
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b1: ; preds = %b0
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%v4 = load i32, i32* getelementptr inbounds ([2 x i32], [2 x i32]* @g1, i32 0, i32 1), align 4
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%v5 = getelementptr inbounds [1152 x i32], [1152 x i32]* @g0, i32 0, i32 %v4
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br label %b2
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b2: ; preds = %b1
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br label %b3
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b3: ; preds = %b3, %b2
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%v6 = phi i32* [ %v30, %b3 ], [ %a2, %b2 ]
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%v7 = phi i32* [ %v44, %b3 ], [ %a1, %b2 ]
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%v8 = phi i32* [ %v17, %b3 ], [ %v0, %b2 ]
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%v9 = phi i32* [ %v34, %b3 ], [ %v1, %b2 ]
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%v10 = phi i32* [ %v40, %b3 ], [ %v3, %b2 ]
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%v11 = phi i32* [ %v33, %b3 ], [ %v2, %b2 ]
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%v12 = phi i32* [ %v15, %b3 ], [ %v5, %b2 ]
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%v13 = getelementptr inbounds i32, i32* %v12, i32 1
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%v14 = load i32, i32* %v12, align 4
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%v15 = getelementptr inbounds i32, i32* %v12, i32 2
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%v16 = load i32, i32* %v13, align 4
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%v17 = getelementptr inbounds i32, i32* %v8, i32 1
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%v18 = load i32, i32* %v8, align 4
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%v19 = sext i32 %v14 to i64
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%v20 = sext i32 %v18 to i64
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%v21 = mul nsw i64 %v20, %v19
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%v22 = lshr i64 %v21, 32
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%v23 = trunc i64 %v22 to i32
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%v24 = sext i32 %v16 to i64
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%v25 = mul nsw i64 %v20, %v24
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%v26 = lshr i64 %v25, 32
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%v27 = trunc i64 %v26 to i32
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%v28 = load i32, i32* %v7, align 4
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%v29 = sub nsw i32 %v28, %v23
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%v30 = getelementptr inbounds i32, i32* %v6, i32 1
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store i32 %v29, i32* %v6, align 4
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%v31 = load i32, i32* %v10, align 4
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%v32 = add nsw i32 %v27, %v31
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%v33 = getelementptr inbounds i32, i32* %v11, i32 -1
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store i32 %v32, i32* %v11, align 4
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%v34 = getelementptr inbounds i32, i32* %v9, i32 -1
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%v35 = load i32, i32* %v9, align 4
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%v36 = sext i32 %v35 to i64
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%v37 = mul nsw i64 %v36, %v19
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%v38 = lshr i64 %v37, 32
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%v39 = trunc i64 %v38 to i32
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%v40 = getelementptr inbounds i32, i32* %v10, i32 -1
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store i32 %v39, i32* %v10, align 4
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%v41 = mul nsw i64 %v36, %v24
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%v42 = lshr i64 %v41, 32
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%v43 = trunc i64 %v42 to i32
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%v44 = getelementptr inbounds i32, i32* %v7, i32 1
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store i32 %v43, i32* %v7, align 4
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%v45 = icmp ult i32* %v44, %v40
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br i1 %v45, label %b3, label %b4
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b4: ; preds = %b3
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br label %b6
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b5: ; No predecessors!
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br label %b6
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b6: ; preds = %b5, %b4
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ret void
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}
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attributes #0 = { nounwind "target-cpu"="hexagonv55" }
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