xref: /aosp_15_r20/external/llvm/test/CodeGen/ARM/dyn-stackalloc.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mcpu=generic -mtriple=arm-eabi -verify-machineinstrs < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker%struct.comment = type { i8**, i32*, i32, i8* }
4*9880d681SAndroid Build Coastguard Worker%struct.info = type { i32, i32, i32, i32, i32, i32, i32, i8* }
5*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* }
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Worker@str215 = external global [2 x i8]
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Workerdefine void @t1(%struct.state* %v) {
10*9880d681SAndroid Build Coastguard Worker
11*9880d681SAndroid Build Coastguard Worker; Make sure we generate:
12*9880d681SAndroid Build Coastguard Worker;   sub	sp, sp, r1
13*9880d681SAndroid Build Coastguard Worker; instead of:
14*9880d681SAndroid Build Coastguard Worker;   sub	r1, sp, r1
15*9880d681SAndroid Build Coastguard Worker;   mov	sp, r1
16*9880d681SAndroid Build Coastguard Worker
17*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @t1
18*9880d681SAndroid Build Coastguard Worker; CHECK: bic [[REG1:r[0-9]+]],
19*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: sub r{{[0-9]+}}, sp, [[REG1]]
20*9880d681SAndroid Build Coastguard Worker; CHECK: sub sp, sp, [[REG1]]
21*9880d681SAndroid Build Coastguard Worker
22*9880d681SAndroid Build Coastguard Worker  %tmp6 = load i32, i32* null
23*9880d681SAndroid Build Coastguard Worker  %tmp8 = alloca float, i32 %tmp6
24*9880d681SAndroid Build Coastguard Worker  store i32 1, i32* null
25*9880d681SAndroid Build Coastguard Worker  br i1 false, label %bb123.preheader, label %return
26*9880d681SAndroid Build Coastguard Worker
27*9880d681SAndroid Build Coastguard Workerbb123.preheader:                                  ; preds = %0
28*9880d681SAndroid Build Coastguard Worker  br i1 false, label %bb43, label %return
29*9880d681SAndroid Build Coastguard Worker
30*9880d681SAndroid Build Coastguard Workerbb43:                                             ; preds = %bb123.preheader
31*9880d681SAndroid Build Coastguard Worker  call fastcc void @f1(float* %tmp8, float* null, i32 0)
32*9880d681SAndroid Build Coastguard Worker  %tmp70 = load i32, i32* null
33*9880d681SAndroid Build Coastguard Worker  %tmp85 = getelementptr float, float* %tmp8, i32 0
34*9880d681SAndroid Build Coastguard Worker  call fastcc void @f2(float* null, float* null, float* %tmp85, i32 %tmp70)
35*9880d681SAndroid Build Coastguard Worker  ret void
36*9880d681SAndroid Build Coastguard Worker
37*9880d681SAndroid Build Coastguard Workerreturn:                                           ; preds = %bb123.preheader, %0
38*9880d681SAndroid Build Coastguard Worker  ret void
39*9880d681SAndroid Build Coastguard Worker}
40*9880d681SAndroid Build Coastguard Worker
41*9880d681SAndroid Build Coastguard Workerdeclare fastcc void @f1(float*, float*, i32)
42*9880d681SAndroid Build Coastguard Worker
43*9880d681SAndroid Build Coastguard Workerdeclare fastcc void @f2(float*, float*, float*, i32)
44*9880d681SAndroid Build Coastguard Worker
45*9880d681SAndroid Build Coastguard Workerdefine void @t2(%struct.comment* %vc, i8* %tag, i8* %contents) {
46*9880d681SAndroid Build Coastguard Worker  %tmp1 = call i32 @strlen(i8* %tag)
47*9880d681SAndroid Build Coastguard Worker  %tmp3 = call i32 @strlen(i8* %contents)
48*9880d681SAndroid Build Coastguard Worker  %tmp4 = add i32 %tmp1, 2
49*9880d681SAndroid Build Coastguard Worker  %tmp5 = add i32 %tmp4, %tmp3
50*9880d681SAndroid Build Coastguard Worker  %tmp6 = alloca i8, i32 %tmp5
51*9880d681SAndroid Build Coastguard Worker  %tmp9 = call i8* @strcpy(i8* %tmp6, i8* %tag)
52*9880d681SAndroid Build Coastguard Worker  %tmp6.len = call i32 @strlen(i8* %tmp6)
53*9880d681SAndroid Build Coastguard Worker  %tmp6.indexed = getelementptr i8, i8* %tmp6, i32 %tmp6.len
54*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)
55*9880d681SAndroid Build Coastguard Worker  %tmp15 = call i8* @strcat(i8* %tmp6, i8* %contents)
56*9880d681SAndroid Build Coastguard Worker  call fastcc void @comment_add(%struct.comment* %vc, i8* %tmp6)
57*9880d681SAndroid Build Coastguard Worker  ret void
58*9880d681SAndroid Build Coastguard Worker}
59*9880d681SAndroid Build Coastguard Worker
60*9880d681SAndroid Build Coastguard Workerdeclare i32 @strlen(i8*)
61*9880d681SAndroid Build Coastguard Worker
62*9880d681SAndroid Build Coastguard Workerdeclare i8* @strcat(i8*, i8*)
63*9880d681SAndroid Build Coastguard Worker
64*9880d681SAndroid Build Coastguard Workerdeclare fastcc void @comment_add(%struct.comment*, i8*)
65*9880d681SAndroid Build Coastguard Worker
66*9880d681SAndroid Build Coastguard Workerdeclare i8* @strcpy(i8*, i8*)
67*9880d681SAndroid Build Coastguard Worker
68*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
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