xref: /aosp_15_r20/external/llvm/test/CodeGen/PowerPC/ppc64-vaarg-int.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Workertarget datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64"
2*9880d681SAndroid Build Coastguard Workertarget triple = "powerpc64-unknown-linux-gnu"
3*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s | FileCheck %s
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdefine i32 @intvaarg(i32 %a, ...) nounwind {
6*9880d681SAndroid Build Coastguard Workerentry:
7*9880d681SAndroid Build Coastguard Worker  %va = alloca i8*, align 8
8*9880d681SAndroid Build Coastguard Worker  %va1 = bitcast i8** %va to i8*
9*9880d681SAndroid Build Coastguard Worker  call void @llvm.va_start(i8* %va1)
10*9880d681SAndroid Build Coastguard Worker  %0 = va_arg i8** %va, i32
11*9880d681SAndroid Build Coastguard Worker  %sub = sub nsw i32 %a, %0
12*9880d681SAndroid Build Coastguard Worker  ret i32 %sub
13*9880d681SAndroid Build Coastguard Worker}
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.va_start(i8*) nounwind
16*9880d681SAndroid Build Coastguard Worker
17*9880d681SAndroid Build Coastguard Worker; CHECK: @intvaarg
18*9880d681SAndroid Build Coastguard Worker; Make sure that the va pointer is incremented by 8 (not 4).
19*9880d681SAndroid Build Coastguard Worker; CHECK: addi{{.*}}, 1, 64
20*9880d681SAndroid Build Coastguard Worker
21