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