xref: /aosp_15_r20/external/llvm/test/CodeGen/Thumb/dyn-stackalloc.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=thumb-apple-darwin -disable-cgp-branch-opts -disable-post-ra -verify-machineinstrs | FileCheck %s -check-prefix=CHECK -check-prefix=RA_GREEDY
2*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=thumb-apple-darwin -disable-cgp-branch-opts -disable-post-ra -regalloc=basic -verify-machineinstrs | FileCheck %s -check-prefix=CHECK -check-prefix=RA_BASIC
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker	%struct.state = type { i32, %struct.info*, float**, i32, i32, i32, i32, i32, i32, i32, i32, i32, i64, i64, i64, i64, i64, i64, i8* }
5*9880d681SAndroid Build Coastguard Worker	%struct.info = type { i32, i32, i32, i32, i32, i32, i32, i8* }
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Workerdefine void @t1(%struct.state* %v) {
8*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: t1:
9*9880d681SAndroid Build Coastguard Worker; CHECK: push
10*9880d681SAndroid Build Coastguard Worker; CHECK: add r7, sp, #12
11*9880d681SAndroid Build Coastguard Worker; CHECK: lsls r[[R0:[0-9]+]]
12*9880d681SAndroid Build Coastguard Worker; CHECK: mov r[[R1:[0-9]+]], sp
13*9880d681SAndroid Build Coastguard Worker; CHECK: subs r[[R2:[0-9]+]], r[[R1]], r[[R0]]
14*9880d681SAndroid Build Coastguard Worker; CHECK: mov sp, r[[R2]]
15*9880d681SAndroid Build Coastguard Worker	%tmp6 = load i32, i32* null
16*9880d681SAndroid Build Coastguard Worker	%tmp8 = alloca float, i32 %tmp6
17*9880d681SAndroid Build Coastguard Worker	store i32 1, i32* null
18*9880d681SAndroid Build Coastguard Worker	br i1 false, label %bb123.preheader, label %return
19*9880d681SAndroid Build Coastguard Worker
20*9880d681SAndroid Build Coastguard Workerbb123.preheader:
21*9880d681SAndroid Build Coastguard Worker	br i1 false, label %bb43, label %return
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard Workerbb43:
24*9880d681SAndroid Build Coastguard Worker	call fastcc void @f1( float* %tmp8, float* null, i32 0 )
25*9880d681SAndroid Build Coastguard Worker	%tmp70 = load i32, i32* null
26*9880d681SAndroid Build Coastguard Worker	%tmp85 = getelementptr float, float* %tmp8, i32 0
27*9880d681SAndroid Build Coastguard Worker	call fastcc void @f2( float* null, float* null, float* %tmp85, i32 %tmp70 )
28*9880d681SAndroid Build Coastguard Worker	ret void
29*9880d681SAndroid Build Coastguard Worker
30*9880d681SAndroid Build Coastguard Workerreturn:
31*9880d681SAndroid Build Coastguard Worker	ret void
32*9880d681SAndroid Build Coastguard Worker}
33*9880d681SAndroid Build Coastguard Worker
34*9880d681SAndroid Build Coastguard Workerdeclare fastcc void @f1(float*, float*, i32)
35*9880d681SAndroid Build Coastguard Worker
36*9880d681SAndroid Build Coastguard Workerdeclare fastcc void @f2(float*, float*, float*, i32)
37*9880d681SAndroid Build Coastguard Worker
38*9880d681SAndroid Build Coastguard Worker	%struct.comment = type { i8**, i32*, i32, i8* }
39*9880d681SAndroid Build Coastguard Worker@str215 = external global [2 x i8]
40*9880d681SAndroid Build Coastguard Worker
41*9880d681SAndroid Build Coastguard Workerdefine void @t2(%struct.comment* %vc, i8* %tag, i8* %contents) {
42*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: t2:
43*9880d681SAndroid Build Coastguard Worker; CHECK: push
44*9880d681SAndroid Build Coastguard Worker; CHECK: add r7, sp, #12
45*9880d681SAndroid Build Coastguard Worker; CHECK: sub sp, #
46*9880d681SAndroid Build Coastguard Worker; CHECK: mov r[[R0:[0-9]+]], sp
47*9880d681SAndroid Build Coastguard Worker; CHECK: str r{{[0-9+]}}, [r[[R0]]
48*9880d681SAndroid Build Coastguard Worker; RA_GREEDY: str r{{[0-9+]}}, [r[[R0]]
49*9880d681SAndroid Build Coastguard Worker; RA_BASIC: stm r[[R0]]!
50*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: ldr r0, [sp
51*9880d681SAndroid Build Coastguard Worker; CHECK: mov r[[R1:[0-9]+]], sp
52*9880d681SAndroid Build Coastguard Worker; CHECK: subs r[[R2:[0-9]+]], r[[R1]], r{{[0-9]+}}
53*9880d681SAndroid Build Coastguard Worker; CHECK: mov sp, r[[R2]]
54*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: ldr r0, [sp
55*9880d681SAndroid Build Coastguard Worker; CHECK: bx
56*9880d681SAndroid Build Coastguard Worker	%tmp1 = call i32 @strlen( i8* %tag )
57*9880d681SAndroid Build Coastguard Worker	%tmp3 = call i32 @strlen( i8* %contents )
58*9880d681SAndroid Build Coastguard Worker	%tmp4 = add i32 %tmp1, 2
59*9880d681SAndroid Build Coastguard Worker	%tmp5 = add i32 %tmp4, %tmp3
60*9880d681SAndroid Build Coastguard Worker	%tmp6 = alloca i8, i32 %tmp5
61*9880d681SAndroid Build Coastguard Worker	%tmp9 = call i8* @strcpy( i8* %tmp6, i8* %tag )
62*9880d681SAndroid Build Coastguard Worker	%tmp6.len = call i32 @strlen( i8* %tmp6 )
63*9880d681SAndroid Build Coastguard Worker	%tmp6.indexed = getelementptr i8, i8* %tmp6, i32 %tmp6.len
64*9880d681SAndroid Build Coastguard Worker	call void @llvm.memcpy.p0i8.p0i8.i32(i8* %tmp6.indexed, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @str215, i32 0, i32 0), i32 2, i32 1, i1 false)
65*9880d681SAndroid Build Coastguard Worker	%tmp15 = call i8* @strcat( i8* %tmp6, i8* %contents )
66*9880d681SAndroid Build Coastguard Worker	call fastcc void @comment_add( %struct.comment* %vc, i8* %tmp6 )
67*9880d681SAndroid Build Coastguard Worker	ret void
68*9880d681SAndroid Build Coastguard Worker}
69*9880d681SAndroid Build Coastguard Worker
70*9880d681SAndroid Build Coastguard Workerdeclare i32 @strlen(i8*)
71*9880d681SAndroid Build Coastguard Worker
72*9880d681SAndroid Build Coastguard Workerdeclare i8* @strcat(i8*, i8*)
73*9880d681SAndroid Build Coastguard Worker
74*9880d681SAndroid Build Coastguard Workerdeclare fastcc void @comment_add(%struct.comment*, i8*)
75*9880d681SAndroid Build Coastguard Worker
76*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
77*9880d681SAndroid Build Coastguard Worker
78*9880d681SAndroid Build Coastguard Workerdeclare i8* @strcpy(i8*, i8*)
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