• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1; RUN: llc -march=hexagon -O3 -verify-machineinstrs < %s | FileCheck %s
2;
3; Check that this testcase compiles successfully and that a new-value jump
4; has been created.
5; CHECK: if (cmp.gtu(r{{[0-9]+}}.new,r{{[0-9]+}})) jump
6
7target triple = "hexagon"
8
9@g0 = external hidden unnamed_addr global [182 x i16], align 8
10
11define void @fred(i16 signext %a0, i16 signext %a1) #0 {
12b1:
13  %v1 = sext i16 %a0 to i32
14  %v2 = getelementptr inbounds [182 x i16], [182 x i16]* @g0, i32 0, i32 %v1
15  %v3 = sext i16 %a1 to i32
16  %v4 = call i32 @llvm.hexagon.A2.asrh(i32 undef)
17  %v5 = trunc i32 %v4 to i16
18  br i1 undef, label %b6, label %b14
19
20b6:                                               ; preds = %b1
21  %v7 = sext i16 %v5 to i32
22  br label %b8
23
24b8:                                               ; preds = %b8, %b6
25  %v9 = phi i32 [ 128, %b6 ], [ %v13, %b8 ]
26  %v10 = sub nsw i32 %v9, %v7
27  %v11 = getelementptr inbounds [182 x i16], [182 x i16]* @g0, i32 0, i32 %v10
28  %v12 = load i16, i16* %v11, align 2
29  %v13 = add nuw nsw i32 %v9, 1
30  br label %b8
31
32b14:                                              ; preds = %b1
33  br i1 undef, label %b16, label %b15
34
35b15:                                              ; preds = %b14
36  unreachable
37
38b16:                                              ; preds = %b14
39  %v17 = getelementptr [182 x i16], [182 x i16]* @g0, i32 0, i32 %v3
40  %v18 = icmp ugt i16* %v17, %v2
41  %v19 = or i1 %v18, undef
42  br i1 %v19, label %b20, label %b21
43
44b20:                                              ; preds = %b16
45  unreachable
46
47b21:                                              ; preds = %b16
48  ret void
49}
50
51declare i32 @llvm.hexagon.A2.asrh(i32) #1
52
53attributes #0 = { nounwind "target-cpu"="hexagonv62" }
54attributes #1 = { nounwind readnone }
55