xref: /llvm-project/llvm/test/CodeGen/MSP430/callee-saved.ll (revision ff9af4c43ad71eeba2cabe99609cfaa0fd54c1d0)
1; RUN: llc < %s | FileCheck %s
2
3target datalayout = "e-m:e-p:16:16-i32:16-i64:16-f32:16-f64:16-a:8-n8:16-S16"
4target triple = "msp430-generic-generic"
5
6; Test the r4-r10 callee-saved registers (MSP430 EABI p. 3.2.2).
7
8@g = global float 0.0
9
10define void @foo() {
11; CHECK-LABEL: foo:
12; CHECK-NOT: push	r11
13; CHECK-NOT: push	r12
14; CHECK-NOT: push	r13
15; CHECK-NOT: push	r14
16; CHECK-NOT: push	r15
17; CHECK: push  r4
18; CHECK: .cfi_def_cfa_offset 4
19; CHECK: push  r5
20; CHECK: .cfi_def_cfa_offset 6
21; CHECK: push  r6
22; CHECK: .cfi_def_cfa_offset 8
23; CHECK: push  r7
24; CHECK: .cfi_def_cfa_offset 10
25; CHECK: push  r8
26; CHECK: .cfi_def_cfa_offset 12
27; CHECK: push  r9
28; CHECK: .cfi_def_cfa_offset 14
29; CHECK: push  r10
30; CHECK: .cfi_def_cfa_offset 16
31
32; CHECK: .cfi_offset r4, -4
33; CHECK: .cfi_offset r5, -6
34; CHECK: .cfi_offset r6, -8
35; CHECK: .cfi_offset r7, -10
36; CHECK: .cfi_offset r8, -12
37; CHECK: .cfi_offset r9, -14
38; CHECK: .cfi_offset r10, -16
39
40  %t1 = load volatile float, ptr @g
41  %t2 = load volatile float, ptr @g
42  %t3 = load volatile float, ptr @g
43  %t4 = load volatile float, ptr @g
44  %t5 = load volatile float, ptr @g
45  %t6 = load volatile float, ptr @g
46  %t7 = load volatile float, ptr @g
47  store volatile float %t1, ptr @g
48  store volatile float %t2, ptr @g
49  store volatile float %t3, ptr @g
50  store volatile float %t4, ptr @g
51  store volatile float %t5, ptr @g
52  store volatile float %t6, ptr @g
53  ret void
54}
55