1 ; RUN: llc -mtriple=x86_64-apple-macosx -O3 -enable-implicit-null-checks -o - < %s 2>&1 | FileCheck %s
6 define i1 @f(i8* %p0, i8* %p1) {
8 %c0 = icmp eq i8* %p0, null
9 br i1 %c0, label %throw0, label %continue0, !make.implicit !0
12 %v0 = load i8, i8* %p0
13 %c1 = icmp eq i8* %p1, null
14 br i1 %c1, label %throw1, label %continue1, !make.implicit !0
17 %v1 = load i8, i8* %p1
18 %v = icmp eq i8 %v0, %v1
32 declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
33 declare i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token, i32, i32) nounwind readonly
35 ; Check for a crash. The crash is not specific to statepoints, but
36 ; gc.statpeoint is an easy way to generate a fill instruction in
37 ; %continue0 (which causes the llc crash).
38 define i1 @g(i8 addrspace(1)* %p0, i8* %p1) gc "statepoint-example" {
40 %c0 = icmp eq i8 addrspace(1)* %p0, null
41 %tok = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0, i8 addrspace(1)* %p0)
42 %p0.relocated = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %tok, i32 7, i32 7) ; (%p0, %p0)
43 br i1 %c0, label %throw0, label %continue0, !make.implicit !0
46 %c1 = icmp eq i8* %p1, null
47 br i1 %c1, label %throw1, label %continue1, !make.implicit !0
50 %v0 = load i8, i8 addrspace(1)* %p0.relocated
51 %v1 = load i8, i8* %p1
52 %v = icmp eq i8 %v0, %v1
64 ; Check that we have two implicit null checks in @f
66 ; CHECK: __LLVM_FaultMaps:
69 ; CHECK-NEXT: .short 0
75 ; CHECK-NEXT: .quad _f