xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/force-align-stack.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -relocation-model=static -stackrealign | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; Tests to make sure that we always align the stack out to the minimum needed -
3*9880d681SAndroid Build Coastguard Worker; in this case 16-bytes.
4*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32"
5*9880d681SAndroid Build Coastguard Workertarget triple = "i386-apple-darwin10.3"
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Workerdefine void @a() nounwind ssp {
8*9880d681SAndroid Build Coastguard Workerentry:
9*9880d681SAndroid Build Coastguard Worker; CHECK: _a:
10*9880d681SAndroid Build Coastguard Worker; CHECK: andl    $-16, %esp
11*9880d681SAndroid Build Coastguard Worker  %z = alloca <16 x i8>                           ; <<16 x i8>*> [#uses=2]
12*9880d681SAndroid Build Coastguard Worker  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
13*9880d681SAndroid Build Coastguard Worker  store <16 x i8> zeroinitializer, <16 x i8>* %z, align 16
14*9880d681SAndroid Build Coastguard Worker  call void @b(<16 x i8>* %z) nounwind
15*9880d681SAndroid Build Coastguard Worker  br label %return
16*9880d681SAndroid Build Coastguard Worker
17*9880d681SAndroid Build Coastguard Workerreturn:                                           ; preds = %entry
18*9880d681SAndroid Build Coastguard Worker  ret void
19*9880d681SAndroid Build Coastguard Worker}
20*9880d681SAndroid Build Coastguard Worker
21*9880d681SAndroid Build Coastguard Workerdeclare void @b(<16 x i8>*)
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