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52 lines
1.5 KiB
LLVM
52 lines
1.5 KiB
LLVM
; RUN: llc -march=hexagon < %s | FileCheck %s
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; Test that we generate a single packet for the vectorized dot product loop.
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; CHECK: loop0(.LBB0_[[LOOP:.]],
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; CHECK: .LBB0_[[LOOP]]:
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; CHECK: {
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; CHECK: mpyi
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; CHECK: mpyi
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; CHECK: memd
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; CHECK: memd
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; CHECK-NOT: {
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; CHECK: }{{[ \t]*}}:endloop
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; Function Attrs: nounwind readonly
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define i32 @f0(i32* nocapture readonly %a0, i32* nocapture readonly %a1) #0 {
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b0:
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%v0 = bitcast i32* %a0 to i64*
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%v1 = bitcast i32* %a1 to i64*
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br label %b1
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b1: ; preds = %b1, %b0
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%v2 = phi i64* [ %v0, %b0 ], [ %v21, %b1 ]
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%v3 = phi i64* [ %v1, %b0 ], [ %v22, %b1 ]
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%v4 = phi i32 [ 0, %b0 ], [ %v19, %b1 ]
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%v5 = phi i32 [ 0, %b0 ], [ %v14, %b1 ]
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%v6 = phi i32 [ 0, %b0 ], [ %v18, %b1 ]
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%v7 = load i64, i64* %v2, align 8
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%v8 = trunc i64 %v7 to i32
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%v9 = lshr i64 %v7, 32
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%v10 = load i64, i64* %v3, align 8
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%v11 = trunc i64 %v10 to i32
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%v12 = lshr i64 %v10, 32
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%v13 = mul nsw i32 %v11, %v8
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%v14 = add nsw i32 %v13, %v5
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%v15 = trunc i64 %v9 to i32
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%v16 = trunc i64 %v12 to i32
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%v17 = mul nsw i32 %v16, %v15
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%v18 = add nsw i32 %v17, %v6
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%v19 = add nsw i32 %v4, 1
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%v20 = icmp eq i32 %v19, 199
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%v21 = getelementptr i64, i64* %v2, i32 1
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%v22 = getelementptr i64, i64* %v3, i32 1
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br i1 %v20, label %b2, label %b1
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b2: ; preds = %b1
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%v23 = add nsw i32 %v14, %v18
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ret i32 %v23
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}
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attributes #0 = { nounwind readonly }
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