xref: /llvm-project/llvm/test/CodeGen/Hexagon/extract-basic.ll (revision 2208c97c1bec2512d4e47b6223db6d95a7037956)
1; RUN: llc -O2 -mtriple=hexagon < %s | FileCheck %s
2
3; CHECK-DAG: extractu(r{{[0-9]*}},#3,#4)
4; CHECK-DAG: extractu(r{{[0-9]*}},#8,#7)
5; CHECK-DAG: extractu(r{{[0-9]*}},#8,#16)
6
7; C source:
8; typedef struct {
9;   unsigned x1:3;
10;   unsigned x2:7;
11;   unsigned x3:8;
12;   unsigned x4:12;
13;   unsigned x5:2;
14; } structx_t;
15;
16; typedef struct {
17;   unsigned y1:4;
18;   unsigned y2:3;
19;   unsigned y3:9;
20;   unsigned y4:8;
21;   unsigned y5:8;
22; } structy_t;
23;
24; void foo(structx_t *px, structy_t *py) {
25;   px->x1 = py->y1;
26;   px->x2 = py->y2;
27;   px->x3 = py->y3;
28;   px->x4 = py->y4;
29;   px->x5 = py->y5;
30; }
31
32target datalayout = "e-p:32:32:32-i64:64:64-i32:32:32-i16:16:16-i1:32:32-f64:64:64-f32:32:32-v64:64:64-v32:32:32-a0:0-n16:32"
33target triple = "hexagon"
34
35%struct.structx_t = type { i8, i8, i8, i8 }
36%struct.structy_t = type { i8, i8, i8, i8 }
37
38define void @foo(ptr nocapture %px, ptr nocapture %py) nounwind {
39entry:
40  %0 = load i32, ptr %py, align 4
41  %bf.value = and i32 %0, 7
42  %1 = load i32, ptr %px, align 4
43  %2 = and i32 %1, -8
44  %3 = or i32 %2, %bf.value
45  store i32 %3, ptr %px, align 4
46  %4 = load i32, ptr %py, align 4
47  %5 = lshr i32 %4, 4
48  %bf.clear1 = shl nuw nsw i32 %5, 3
49  %6 = and i32 %bf.clear1, 56
50  %7 = and i32 %3, -1017
51  %8 = or i32 %6, %7
52  store i32 %8, ptr %px, align 4
53  %9 = load i32, ptr %py, align 4
54  %10 = lshr i32 %9, 7
55  %bf.value4 = shl i32 %10, 10
56  %11 = and i32 %bf.value4, 261120
57  %12 = and i32 %8, -262081
58  %13 = or i32 %12, %11
59  store i32 %13, ptr %px, align 4
60  %14 = load i32, ptr %py, align 4
61  %15 = lshr i32 %14, 16
62  %bf.clear5 = shl i32 %15, 18
63  %16 = and i32 %bf.clear5, 66846720
64  %17 = and i32 %13, -1073480641
65  %18 = or i32 %17, %16
66  store i32 %18, ptr %px, align 4
67  %19 = load i32, ptr %py, align 4
68  %20 = lshr i32 %19, 24
69  %21 = shl i32 %20, 30
70  %22 = and i32 %18, 67107903
71  %23 = or i32 %22, %21
72  store i32 %23, ptr %px, align 4
73  ret void
74}
75