1 ; RUN: opt < %s -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 i8* @my_malloc(i8*, i64) allocsize(1)
11 define void @test_malloc(i8** %p, i32* %r) {
12 %1 = call i8* @my_malloc(i8* null, i64 100)
13 store i8* %1, i8** %p, align 8 ; To ensure objectsize isn't killed
15 %2 = call i32 @llvm.objectsize.i32.p0i8(i8* %1, i1 false)
16 ; CHECK: store i32 100
17 store i32 %2, i32* %r, align 8
19 ; Big number is 5 billion.
20 %3 = call i8* @my_malloc(i8* null, i64 5000000000)
21 store i8* %3, i8** %p, align 8 ; To ensure objectsize isn't killed
23 ; CHECK: call i32 @llvm.objectsize
24 %4 = call i32 @llvm.objectsize.i32.p0i8(i8* %3, i1 false)
25 store i32 %4, i32* %r, align 8
29 declare i32 @llvm.objectsize.i32.p0i8(i8*, i1)