1 ; RUN: opt < %s -instcombine -S | FileCheck %s
3 %struct.__va_list = type { i8*, i8*, i8*, i32, i32 }
5 declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture)
6 declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture)
7 declare void @llvm.va_start(i8*)
8 declare void @llvm.va_end(i8*)
9 declare void @llvm.va_copy(i8*, i8*)
11 define i32 @func(i8* nocapture readnone %fmt, ...) {
14 ; CHECK-NEXT: ret i32 0
16 %va0 = alloca %struct.__va_list, align 8
17 %va1 = alloca %struct.__va_list, align 8
18 %0 = bitcast %struct.__va_list* %va0 to i8*
19 %1 = bitcast %struct.__va_list* %va1 to i8*
20 call void @llvm.lifetime.start.p0i8(i64 32, i8* %0)
21 call void @llvm.va_start(i8* %0)
22 call void @llvm.lifetime.start.p0i8(i64 32, i8* %1)
23 call void @llvm.va_copy(i8* %1, i8* %0)
24 call void @llvm.va_end(i8* %1)
25 call void @llvm.lifetime.end.p0i8(i64 32, i8* %1)
26 call void @llvm.va_end(i8* %0)
27 call void @llvm.lifetime.end.p0i8(i64 32, i8* %0)