1 ; RUN: llc -march=hexagon -hexagon-initial-cfg-cleanup=0 < %s | FileCheck %s
4 ; This used to crash. Check for some sane output.
7 target triple = "hexagon"
9 define void @fred() local_unnamed_addr #0 {
11 %v1 = load i32, i32* undef, align 4
12 %v2 = tail call i32 @llvm.hexagon.A2.sath(i32 undef)
13 %v3 = and i32 %v1, 603979776
14 %v4 = trunc i32 %v3 to i30
15 switch i30 %v4, label %b22 [
16 i30 -536870912, label %b5
17 i30 -469762048, label %b6
24 %v7 = load i32, i32* undef, align 4
25 %v8 = sub nsw i32 65536, %v7
26 %v9 = load i32, i32* undef, align 4
27 %v10 = mul nsw i32 %v9, %v9
28 %v11 = zext i32 %v10 to i64
29 %v12 = mul nsw i32 %v2, %v8
30 %v13 = sext i32 %v12 to i64
31 %v14 = mul nsw i64 %v13, %v11
32 %v15 = trunc i64 %v14 to i32
33 %v16 = and i32 %v15, 2147483647
34 store i32 %v16, i32* undef, align 4
35 %v17 = lshr i64 %v14, 31
36 %v18 = trunc i64 %v17 to i32
37 store i32 %v18, i32* undef, align 4
41 br i1 undef, label %b20, label %b21
53 %v24 = load i32, i32* undef, align 4
54 %v25 = shl i32 %v24, 1
55 %v26 = and i32 %v25, 65534
57 store i32 %v27, i32* undef, align 4
61 declare i32 @llvm.hexagon.A2.sath(i32) #1
63 attributes #0 = { nounwind "target-cpu"="hexagonv5" "target-features"="-hvx,-long-calls" }
64 attributes #1 = { nounwind readnone }