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