xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/no-prolog-kill.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -verify-machineinstrs -o - %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64--"
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker; This function gets a AL live-in and at same time saves+restores RAX. We must
5*9880d681SAndroid Build Coastguard Worker; not add a kill flag to the "PUSHQ %rax" or the machine verifier will complain.
6*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test:
7*9880d681SAndroid Build Coastguard Worker; CHECK: pushq %rax
8*9880d681SAndroid Build Coastguard Worker; CHECK: testb %al, %al
9*9880d681SAndroid Build Coastguard Worker; CHECK: je .LBB
10*9880d681SAndroid Build Coastguard Workerdefine void @test(i64 %a, i8* %b, ...)  {
11*9880d681SAndroid Build Coastguard Workerentry:
12*9880d681SAndroid Build Coastguard Worker  %bar = alloca i8
13*9880d681SAndroid Build Coastguard Worker  call void @llvm.va_start(i8* %bar)
14*9880d681SAndroid Build Coastguard Worker  call void @llvm.eh.unwind.init()
15*9880d681SAndroid Build Coastguard Worker  call void @llvm.eh.return.i64(i64 %a, i8* %b)
16*9880d681SAndroid Build Coastguard Worker  unreachable
17*9880d681SAndroid Build Coastguard Worker}
18*9880d681SAndroid Build Coastguard Worker
19*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.eh.return.i64(i64, i8*)
20*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.eh.unwind.init()
21*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.va_start(i8*)
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