1 ; RUN: opt < %s -passes=instcombine -S | FileCheck %s
3 ; The idea is that we want to have sane semantics (e.g. not assertion failures)
4 ; when given an allocsize function that takes a 64-bit argument in the face of
7 target datalayout="e-p:32:32:32"
9 declare ptr @my_malloc(ptr, i64) allocsize(1)
11 define void @test_malloc(ptr %p, ptr %r) {
12 %1 = call ptr @my_malloc(ptr null, i64 100)
13 store ptr %1, ptr %p, align 8 ; To ensure objectsize isn't killed
15 %2 = call i32 @llvm.objectsize.i32.p0(ptr %1, i1 false)
16 ; CHECK: store i32 100
17 store i32 %2, ptr %r, align 8
19 ; Big number is 5 billion.
20 %3 = call ptr @my_malloc(ptr null, i64 5000000000)
21 store ptr %3, ptr %p, align 8 ; To ensure objectsize isn't killed
23 ; CHECK: call i32 @llvm.objectsize
24 %4 = call i32 @llvm.objectsize.i32.p0(ptr %3, i1 false)
25 store i32 %4, ptr %r, align 8
29 declare i32 @llvm.objectsize.i32.p0(ptr, i1)