xref: /aosp_15_r20/external/llvm/test/CodeGen/ARM/2013-05-02-AAPCS-ByVal-Structs-C4-C5-VFP.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker;Check AAPCS, 5.5 Parameters Passing, C4 and C5 rules.
2*9880d681SAndroid Build Coastguard Worker;Check case when NSAA != 0, and NCRN < R4, NCRN+ParamSize < R4
3*9880d681SAndroid Build Coastguard Worker;RUN: llc -mtriple=thumbv7-linux-gnueabihf -float-abi=hard < %s | FileCheck %s
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker%st_t = type { i32, i32 }
6*9880d681SAndroid Build Coastguard Worker@static_val = constant %st_t { i32 777, i32 888}
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Workerdeclare void @fooUseStruct(%st_t*)
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Workerdefine void @foo(double %vfp0,     ; --> D0,     NSAA=SP
11*9880d681SAndroid Build Coastguard Worker                 double %vfp1,     ; --> D1,     NSAA=SP
12*9880d681SAndroid Build Coastguard Worker		 double %vfp2,     ; --> D2,     NSAA=SP
13*9880d681SAndroid Build Coastguard Worker		 double %vfp3,     ; --> D3,     NSAA=SP
14*9880d681SAndroid Build Coastguard Worker		 double %vfp4,     ; --> D4,     NSAA=SP
15*9880d681SAndroid Build Coastguard Worker		 double %vfp5,     ; --> D5,     NSAA=SP
16*9880d681SAndroid Build Coastguard Worker		 double %vfp6,     ; --> D6,     NSAA=SP
17*9880d681SAndroid Build Coastguard Worker		 double %vfp7,     ; --> D7,     NSAA=SP
18*9880d681SAndroid Build Coastguard Worker		 double %vfp8,     ; --> SP,     NSAA=SP+8 (!)
19*9880d681SAndroid Build Coastguard Worker                 i32 %p0,          ; --> R0,     NSAA=SP+8
20*9880d681SAndroid Build Coastguard Worker		 %st_t* byval %p1, ; --> R1, R2, NSAA=SP+8
21*9880d681SAndroid Build Coastguard Worker		 i32 %p2,          ; --> R3,     NSAA=SP+8
22*9880d681SAndroid Build Coastguard Worker                 i32 %p3) #0 {     ; --> SP+4,   NSAA=SP+12
23*9880d681SAndroid Build Coastguard Workerentry:
24*9880d681SAndroid Build Coastguard Worker  ;CHECK: sub sp, #12
25*9880d681SAndroid Build Coastguard Worker  ;CHECK: push {r7, lr}
26*9880d681SAndroid Build Coastguard Worker  ;CHECK: sub sp, #4
27*9880d681SAndroid Build Coastguard Worker  ;CHECK: add r0, sp, #12
28*9880d681SAndroid Build Coastguard Worker  ;CHECK: strd r1, r2, [sp, #12]
29*9880d681SAndroid Build Coastguard Worker  ;CHECK: bl  fooUseStruct
30*9880d681SAndroid Build Coastguard Worker  call void @fooUseStruct(%st_t* %p1)
31*9880d681SAndroid Build Coastguard Worker  ret void
32*9880d681SAndroid Build Coastguard Worker}
33*9880d681SAndroid Build Coastguard Worker
34*9880d681SAndroid Build Coastguard Workerdefine void @doFoo() {
35*9880d681SAndroid Build Coastguard Workerentry:
36*9880d681SAndroid Build Coastguard Worker  call void @foo(double 23.0,
37*9880d681SAndroid Build Coastguard Worker                 double 23.1,
38*9880d681SAndroid Build Coastguard Worker                 double 23.2,
39*9880d681SAndroid Build Coastguard Worker                 double 23.3,
40*9880d681SAndroid Build Coastguard Worker                 double 23.4,
41*9880d681SAndroid Build Coastguard Worker                 double 23.5,
42*9880d681SAndroid Build Coastguard Worker                 double 23.6,
43*9880d681SAndroid Build Coastguard Worker                 double 23.7,
44*9880d681SAndroid Build Coastguard Worker                 double 23.8,
45*9880d681SAndroid Build Coastguard Worker                 i32 0, %st_t* byval @static_val, i32 1, i32 2)
46*9880d681SAndroid Build Coastguard Worker  ret void
47*9880d681SAndroid Build Coastguard Worker}
48*9880d681SAndroid Build Coastguard Worker
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