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      1 ; RUN: opt -S -codegenprepare < %s | FileCheck %s
      2 ; RUN: opt -S -codegenprepare -addr-sink-using-gep=false < %s | FileCheck %s
      3 
      4 ; This target data layout is modified to have a non-integral addrspace(1),
      5 ; in order to verify that codegenprepare does not try to introduce illegal
      6 ; inttoptrs.
      7 target datalayout =
      8 "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-ni:1"
      9 target triple = "x86_64-unknown-linux-gnu"
     10 
     11 define void @test_simple(i1 %cond, i64 addrspace(1)* %base) {
     12 ; CHECK-LABEL: @test_simple
     13 ; CHECK-NOT: inttoptr {{.*}} to i64 addrspace(1)*
     14 entry:
     15   %addr = getelementptr inbounds i64, i64 addrspace(1)* %base, i64 5
     16   %casted = bitcast i64 addrspace(1)* %addr to i32 addrspace(1)*
     17   br i1 %cond, label %if.then, label %fallthrough
     18 
     19 if.then:
     20   %v = load i32, i32 addrspace(1)* %casted, align 4
     21   br label %fallthrough
     22 
     23 fallthrough:
     24   ret void
     25 }
     26 
     27 
     28 define void @test_inttoptr_base(i1 %cond, i64 %base) {
     29 ; CHECK-LABEL: @test_inttoptr_base
     30 ; CHECK-NOT: inttoptr {{.*}} to i64 addrspace(1)*
     31 entry:
     32 ; Doing the inttoptr in the integral addrspace(0) followed by an explicit
     33 ; (frontend-introduced) addrspacecast is fine. We cannot however introduce
     34 ; a direct inttoptr to addrspace(1)
     35   %baseptr = inttoptr i64 %base to i64*
     36   %baseptrni = addrspacecast i64 *%baseptr to i64 addrspace(1)*
     37   %addr = getelementptr inbounds i64, i64 addrspace(1)* %baseptrni, i64 5
     38   %casted = bitcast i64 addrspace(1)* %addr to i32 addrspace(1)*
     39   br i1 %cond, label %if.then, label %fallthrough
     40 
     41 if.then:
     42   %v = load i32, i32 addrspace(1)* %casted, align 4
     43   br label %fallthrough
     44 
     45 fallthrough:
     46   ret void
     47 }
     48 
     49 define void @test_ptrtoint_base(i1 %cond, i64 addrspace(1)* %base) {
     50 ; CHECK-LABEL: @test_ptrtoint_base
     51 ; CHECK-NOT: ptrtoint addrspace(1)* {{.*}} to i64
     52 entry:
     53 ; This one is inserted by the frontend, so it's fine. We're not allowed to
     54 ; directly ptrtoint %base ourselves though
     55   %baseptr0 = addrspacecast i64 addrspace(1)* %base to i64*
     56   %toint = ptrtoint i64* %baseptr0 to i64
     57   %added = add i64 %toint, 8
     58   %toptr = inttoptr i64 %added to i64*
     59   %geped = getelementptr i64, i64* %toptr, i64 2
     60   br i1 %cond, label %if.then, label %fallthrough
     61 
     62 if.then:
     63   %v = load i64, i64* %geped, align 4
     64   br label %fallthrough
     65 
     66 fallthrough:
     67   ret void
     68 }
     69