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gerrit-public.fairphone.software / toolchain / llvm-project / 8cda34f5e7e6af23910e62ab3edb430dab07799f / . / llvm / test / CodeGen / ARM / 2014-02-21-byval-reg-split-alignment.ll
blob: 5b2fc57359ad49584ae3e3d25960477ee5ffef45 [file] [log] [blame]
Oliver Stannardd55e1152014-03-05 15:25:27 +0000[diff] [blame]1; RUN: llc -mtriple=arm-linux-gnueabihf < %s | FileCheck %s
2
3%struct4bytes = type { i32 }
4%struct8bytes8align = type { i64 }
5%struct12bytes = type { i32, i32, i32 }
6
7declare void @useIntPtr(%struct4bytes*)
8declare void @useLong(i64)
9declare void @usePtr(%struct8bytes8align*)
10
11; a -> r0
12; b -> r1..r3
13; c -> sp+0..sp+7
14define void @foo1(i32 %a, %struct12bytes* byval %b, i64 %c) {
15; CHECK-LABEL: foo1
Tim Northover8cda34f2015-03-11 18:54:22 +0000[diff] [blame^]16; CHECK: sub sp, sp, #12
Oliver Stannardd55e1152014-03-05 15:25:27 +0000[diff] [blame]17; CHECK: push {r11, lr}
Tim Northover8cda34f2015-03-11 18:54:22 +0000[diff] [blame^]18; CHECK: sub sp, sp, #4
Oliver Stannardd55e1152014-03-05 15:25:27 +0000[diff] [blame]19; CHECK: add [[SCRATCH:r[0-9]+]], sp, #12
20; CHECK: stm [[SCRATCH]], {r1, r2, r3}
21; CHECK: ldr r0, [sp, #24]
22; CHECK: ldr r1, [sp, #28]
23; CHECK: bl useLong
24; CHECK: pop {r11, lr}
Tim Northover8cda34f2015-03-11 18:54:22 +0000[diff] [blame^]25; CHECK: add sp, sp, #12
Oliver Stannardd55e1152014-03-05 15:25:27 +0000[diff] [blame]26
Saleem Abdulrasoolec1ec1b2014-03-11 15:09:44 +0000[diff] [blame]27 call void @useLong(i64 %c)
Oliver Stannardd55e1152014-03-05 15:25:27 +0000[diff] [blame]28 ret void
29}
30
31; a -> r0
32; b -> r2..r3
33define void @foo2(i32 %a, %struct8bytes8align* byval %b) {
34; CHECK-LABEL: foo2
35; CHECK: sub sp, sp, #8
36; CHECK: push {r11, lr}
37; CHECK: add r0, sp, #8
38; CHECK: str r3, [sp, #12]
39; CHECK: str r2, [sp, #8]
40; CHECK: bl usePtr
41; CHECK: pop {r11, lr}
42; CHECK: add sp, sp, #8
43
Saleem Abdulrasoolec1ec1b2014-03-11 15:09:44 +0000[diff] [blame]44 call void @usePtr(%struct8bytes8align* %b)
Oliver Stannardd55e1152014-03-05 15:25:27 +0000[diff] [blame]45 ret void
46}
47
48; a -> r0..r1
49; b -> r2
50define void @foo3(%struct8bytes8align* byval %a, %struct4bytes* byval %b) {
51; CHECK-LABEL: foo3
52; CHECK: sub sp, sp, #16
53; CHECK: push {r11, lr}
54; CHECK: add [[SCRATCH:r[0-9]+]], sp, #8
55; CHECK: stm [[SCRATCH]], {r0, r1, r2}
56; CHECK: add r0, sp, #8
57; CHECK: bl usePtr
58; CHECK: pop {r11, lr}
59; CHECK: add sp, sp, #16
60
Saleem Abdulrasoolec1ec1b2014-03-11 15:09:44 +0000[diff] [blame]61 call void @usePtr(%struct8bytes8align* %a)
Oliver Stannardd55e1152014-03-05 15:25:27 +0000[diff] [blame]62 ret void
63}
64
65; a -> r0
66; b -> r2..r3
67define void @foo4(%struct4bytes* byval %a, %struct8bytes8align* byval %b) {
68; CHECK-LABEL: foo4
69; CHECK: sub sp, sp, #16
70; CHECK: push {r11, lr}
71; CHECK: str r0, [sp, #8]
72; CHECK: add r0, sp, #16
73; CHECK: str r3, [sp, #20]
74; CHECK: str r2, [sp, #16]
75; CHECK: bl usePtr
76; CHECK: pop {r11, lr}
77; CHECK: add sp, sp, #16
78; CHECK: mov pc, lr
79
Saleem Abdulrasoolec1ec1b2014-03-11 15:09:44 +0000[diff] [blame]80 call void @usePtr(%struct8bytes8align* %b)
Oliver Stannardd55e1152014-03-05 15:25:27 +0000[diff] [blame]81 ret void
82}
83
84; a -> r0..r1
85; b -> r2
86; c -> r3
87define void @foo5(%struct8bytes8align* byval %a, %struct4bytes* byval %b, %struct4bytes* byval %c) {
88; CHECK-LABEL: foo5
89; CHECK: sub sp, sp, #16
90; CHECK: push {r11, lr}
91; CHECK: add [[SCRATCH:r[0-9]+]], sp, #8
92; CHECK: stm [[SCRATCH]], {r0, r1, r2, r3}
93; CHECK: add r0, sp, #8
94; CHECK: bl usePtr
95; CHECK: pop {r11, lr}
96; CHECK: add sp, sp, #16
97; CHECK: mov pc, lr
98
Saleem Abdulrasoolec1ec1b2014-03-11 15:09:44 +0000[diff] [blame]99 call void @usePtr(%struct8bytes8align* %a)
Oliver Stannardd55e1152014-03-05 15:25:27 +0000[diff] [blame]100 ret void
101}
102
103; a..c -> r0..r2
104; d -> sp+0..sp+7
105define void @foo6(i32 %a, i32 %b, i32 %c, %struct8bytes8align* byval %d) {
106; CHECK-LABEL: foo6
107; CHECK: push {r11, lr}
108; CHECK: add r0, sp, #8
109; CHECK: bl usePtr
110; CHECK: pop {r11, lr}
111; CHECK: mov pc, lr
112
Saleem Abdulrasoolec1ec1b2014-03-11 15:09:44 +0000[diff] [blame]113 call void @usePtr(%struct8bytes8align* %d)
Oliver Stannardd55e1152014-03-05 15:25:27 +0000[diff] [blame]114 ret void
115}