1 ; RUN: opt -instcombine -S < %s | FileCheck %s
4 ; struct V { char buf1[10];
9 ; char *p = &var.buf1[1];
10 ; return __builtin_object_size (p, 0);
13 %struct.V = type { [10 x i8], i32, [10 x i8] }
15 define i32 @foo() #0 {
17 %var = alloca %struct.V, align 4
18 %0 = bitcast %struct.V* %var to i8*
19 call void @llvm.lifetime.start.p0i8(i64 28, i8* %0) #3
20 %buf1 = getelementptr inbounds %struct.V, %struct.V* %var, i32 0, i32 0
21 %arrayidx = getelementptr inbounds [10 x i8], [10 x i8]* %buf1, i64 0, i64 1
22 %1 = call i64 @llvm.objectsize.i64.p0i8(i8* %arrayidx, i1 false)
23 %conv = trunc i64 %1 to i32
24 call void @llvm.lifetime.end.p0i8(i64 28, i8* %0) #3
27 ; CHECK-NOT: ret i32 -1
30 declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
32 declare i64 @llvm.objectsize.i64.p0i8(i8*, i1) #2
34 declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1