1; RUN: llc -march=hexagon < %s | FileCheck %s
2
3; Test that the first packet contains 4 instructions, which includes
4; a call. The compiler marked the call as constant extended incorrectly,
5; which meant it couldn't fit in the first packet. But, calls are not
6; constant extended by the compiler.
7
8; CHECK: {
9; CHECK-NEXT: call f1
10; CHECK-NEXT: combine
11; CHECK-NEXT: memd
12; CHECK-NEXT: allocframe
13; CHECK-NEXT: }
14
15
16@g0 = external global i32
17
18; Function Attrs: noinline nounwind
19define i32 @f0(i32 %a0, i32* nocapture %a1) #0 {
20b0:
21  %v0 = tail call i32 @f1(i32 %a0)
22  %v1 = icmp eq i32 %v0, 0
23  %v2 = select i1 %v1, i32 3, i32 %a0
24  store i32 %v2, i32* %a1, align 4
25  switch i32 %a0, label %b5 [
26    i32 0, label %b1
27    i32 1, label %b2
28    i32 2, label %b3
29    i32 4, label %b4
30  ]
31
32b1:                                               ; preds = %b0
33  store i32 0, i32* %a1, align 4
34  br label %b5
35
36b2:                                               ; preds = %b0
37  %v3 = load i32, i32* @g0, align 4
38  %v4 = icmp sgt i32 %v3, 100
39  %v5 = select i1 %v4, i32 0, i32 3
40  store i32 %v5, i32* %a1, align 4
41  br label %b5
42
43b3:                                               ; preds = %b0
44  store i32 1, i32* %a1, align 4
45  br label %b5
46
47b4:                                               ; preds = %b0
48  store i32 2, i32* %a1, align 4
49  br label %b5
50
51b5:                                               ; preds = %b4, %b3, %b2, %b1, %b0
52  ret i32 undef
53}
54
55; Function Attrs: noinline nounwind readnone
56declare i32 @f1(i32) #1
57
58attributes #0 = { noinline nounwind "target-cpu"="hexagonv60" }
59attributes #1 = { noinline nounwind readnone "target-cpu"="hexagonv60" }
60