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