1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
; RUN: llc -mtriple=hexagon -verify-machineinstrs < %s | FileCheck %s
; Check for sane output.
; CHECK: vmpyweh
target triple = "hexagon"
declare i32 @llvm.hexagon.S2.clb(i32) #0
declare i32 @llvm.hexagon.S2.asl.r.r(i32, i32) #0
declare i32 @llvm.hexagon.S2.vrndpackwh(i64) #0
declare i64 @llvm.hexagon.M2.mmpyl.s1(i64, i64) #0
define i64 @fred(i32 %a0, i32 %a1) local_unnamed_addr #1 {
b2:
br i1 undef, label %b15, label %b3
b3: ; preds = %b2
%v4 = tail call i32 @llvm.hexagon.S2.clb(i32 %a1) #0
%v5 = add nsw i32 %v4, -32
%v6 = zext i32 %v5 to i64
%v7 = shl nuw i64 %v6, 32
%v8 = or i64 %v7, 0
%v9 = tail call i32 @llvm.hexagon.S2.asl.r.r(i32 %a0, i32 0)
%v10 = tail call i32 @llvm.hexagon.S2.vrndpackwh(i64 %v8)
%v11 = sext i32 %v9 to i64
%v12 = sext i32 %v10 to i64
%v13 = tail call i64 @llvm.hexagon.M2.mmpyl.s1(i64 %v11, i64 %v12)
%v14 = and i64 %v13, 4294967295
br label %b15
b15: ; preds = %b3, %b2
%v16 = phi i64 [ %v14, %b3 ], [ 0, %b2 ]
%v17 = or i64 0, %v16
ret i64 %v17
}
attributes #0 = { nounwind readnone }
attributes #1 = { nounwind "target-cpu"="hexagonv55" }
|
