| Keno Fischer | 05e4ac2 | 2017-06-29 20:28:59 +0000 | [diff] [blame] | 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 | } |