1# RUN: llc -march=hexagon -run-pass hexagon-cext-opt %s -o - | FileCheck %s
2
3# Skip fixed stack indices in hexagon-cext. The reason is that they cannot
4# be stored as indices (stackSlot2Index) together with registers and
5# non-fixed stack slots.
6
7# Check that this doesn't crash.
8# CHECK: L2_loadrb_io %fixed-stack.0, 1496
9
10--- |
11  target triple = "hexagon"
12
13  %s.0 = type { %s.1, i32, i8, i8, i8, i8, i8, i64, %s.2, %s.5, i8 }
14  %s.1 = type { i8, i8, i8, i8 }
15  %s.2 = type { %s.3 }
16  %s.3 = type { i8, i8, %s.4, i32, i8 }
17  %s.4 = type { [3 x i8] }
18  %s.5 = type { i32, i32, [10 x %s.6], %s.9 }
19  %s.6 = type { %s.7, i8, i32, i8, %s.7 }
20  %s.7 = type { %s.8 }
21  %s.8 = type { i64, i64, i64, i64, i64, i64, i64, i64 }
22  %s.9 = type { i8, i8 }
23
24  ; Function Attrs: nounwind optsize
25  define dso_local void @f0(%s.0* byval(%s.0) nocapture readonly align 8 %a0) local_unnamed_addr #0 {
26  b0:
27    %v0 = getelementptr inbounds %s.0, %s.0* %a0, i32 0, i32 10
28    %v1 = load i8, i8* %v0, align 8
29    %v2 = tail call i8* @f1(i8 signext %v1) #0
30    unreachable
31  }
32
33  ; Function Attrs: nounwind optsize
34  declare dso_local i8* @f1(i8 signext) local_unnamed_addr #0
35
36  attributes #0 = { nounwind optsize "target-cpu"="hexagonv65" }
37
38...
39
40name: f0
41tracksRegLiveness: true
42fixedStack:
43- { id: 0, offset: 0, size: 1504, alignment: 8, isImmutable: true, isAliased: false }
44body: |
45  bb.0:
46    %0:intregs = L2_loadrb_io %fixed-stack.0, 1496
47    ADJCALLSTACKDOWN 0, 0, implicit-def $r29, implicit-def dead $r30, implicit $r31, implicit $r30, implicit $r29
48    $r0 = COPY %0:intregs
49    PS_call_nr @f1, implicit $r0, implicit-def $r29, implicit-def $r0
50    ADJCALLSTACKUP 0, 0, implicit-def dead $r29, implicit-def dead $r30, implicit-def dead $r31, implicit $r29
51...
52