xref: /aosp_15_r20/external/llvm/test/CodeGen/Generic/ForceStackAlign.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; Check that stack alignment can be forced. Individual targets should test their
2*9880d681SAndroid Build Coastguard Worker; specific implementation details.
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -stackrealign -stack-alignment=32 | FileCheck %s
5*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @f
6*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @g
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Workerdefine i32 @f(i8* %p) nounwind {
9*9880d681SAndroid Build Coastguard Workerentry:
10*9880d681SAndroid Build Coastguard Worker  %0 = load i8, i8* %p
11*9880d681SAndroid Build Coastguard Worker  %conv = sext i8 %0 to i32
12*9880d681SAndroid Build Coastguard Worker  ret i32 %conv
13*9880d681SAndroid Build Coastguard Worker}
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Workerdefine i64 @g(i32 %i) nounwind {
16*9880d681SAndroid Build Coastguard Workerentry:
17*9880d681SAndroid Build Coastguard Worker  br label %if.then
18*9880d681SAndroid Build Coastguard Worker
19*9880d681SAndroid Build Coastguard Workerif.then:
20*9880d681SAndroid Build Coastguard Worker  %0 = alloca i8, i32 %i
21*9880d681SAndroid Build Coastguard Worker  call void @llvm.memset.p0i8.i32(i8* %0, i8 0, i32 %i, i32 1, i1 false)
22*9880d681SAndroid Build Coastguard Worker  %call = call i32 @f(i8* %0)
23*9880d681SAndroid Build Coastguard Worker  %conv = sext i32 %call to i64
24*9880d681SAndroid Build Coastguard Worker  ret i64 %conv
25*9880d681SAndroid Build Coastguard Worker}
26*9880d681SAndroid Build Coastguard Worker
27*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.memset.p0i8.i32(i8*, i8, i32, i32, i1) nounwind
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