xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/tailcall-calleesave.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=x86 -tailcallopt -mcpu=core < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workertarget triple = "i686-apple-darwin"
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdeclare fastcc void @foo(i32, i32, i32, i32, i32, i32)
6*9880d681SAndroid Build Coastguard Workerdeclare i32* @bar(i32*)
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Workerdefine fastcc void @hoge(i32 %b) nounwind {
9*9880d681SAndroid Build Coastguard Worker; Do not overwrite pushed callee-save registers
10*9880d681SAndroid Build Coastguard Worker; CHECK: pushl
11*9880d681SAndroid Build Coastguard Worker; CHECK: subl $[[SIZE:[0-9]+]], %esp
12*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: [[SIZE]](%esp)
13*9880d681SAndroid Build Coastguard Worker  %a = alloca i32
14*9880d681SAndroid Build Coastguard Worker  store i32 0, i32* %a
15*9880d681SAndroid Build Coastguard Worker  %d = tail call i32* @bar(i32* %a) nounwind
16*9880d681SAndroid Build Coastguard Worker  store i32 %b, i32* %d
17*9880d681SAndroid Build Coastguard Worker  tail call fastcc void @foo(i32 1, i32 2, i32 3, i32 4, i32 5, i32 6) nounwind
18*9880d681SAndroid Build Coastguard Worker  ret void
19*9880d681SAndroid Build Coastguard Worker}
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