69 lines
2.3 KiB
LLVM
69 lines
2.3 KiB
LLVM
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; RUN: opt -S -codegenprepare < %s | FileCheck %s
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; RUN: opt -S -codegenprepare -addr-sink-using-gep=false < %s | FileCheck %s
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; This target data layout is modified to have a non-integral addrspace(1),
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; in order to verify that codegenprepare does not try to introduce illegal
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; inttoptrs.
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target datalayout =
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"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"
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target triple = "x86_64-unknown-linux-gnu"
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define void @test_simple(i1 %cond, i64 addrspace(1)* %base) {
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; CHECK-LABEL: @test_simple
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; CHECK-NOT: inttoptr {{.*}} to i64 addrspace(1)*
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entry:
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%addr = getelementptr inbounds i64, i64 addrspace(1)* %base, i64 5
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%casted = bitcast i64 addrspace(1)* %addr to i32 addrspace(1)*
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br i1 %cond, label %if.then, label %fallthrough
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if.then:
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%v = load i32, i32 addrspace(1)* %casted, align 4
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br label %fallthrough
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fallthrough:
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ret void
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}
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define void @test_inttoptr_base(i1 %cond, i64 %base) {
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; CHECK-LABEL: @test_inttoptr_base
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; CHECK-NOT: inttoptr {{.*}} to i64 addrspace(1)*
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entry:
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; Doing the inttoptr in the integral addrspace(0) followed by an explicit
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; (frontend-introduced) addrspacecast is fine. We cannot however introduce
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; a direct inttoptr to addrspace(1)
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%baseptr = inttoptr i64 %base to i64*
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%baseptrni = addrspacecast i64 *%baseptr to i64 addrspace(1)*
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%addr = getelementptr inbounds i64, i64 addrspace(1)* %baseptrni, i64 5
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%casted = bitcast i64 addrspace(1)* %addr to i32 addrspace(1)*
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br i1 %cond, label %if.then, label %fallthrough
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if.then:
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%v = load i32, i32 addrspace(1)* %casted, align 4
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br label %fallthrough
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fallthrough:
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ret void
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}
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define void @test_ptrtoint_base(i1 %cond, i64 addrspace(1)* %base) {
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; CHECK-LABEL: @test_ptrtoint_base
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; CHECK-NOT: ptrtoint addrspace(1)* {{.*}} to i64
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entry:
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; This one is inserted by the frontend, so it's fine. We're not allowed to
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; directly ptrtoint %base ourselves though
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%baseptr0 = addrspacecast i64 addrspace(1)* %base to i64*
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%toint = ptrtoint i64* %baseptr0 to i64
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%added = add i64 %toint, 8
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%toptr = inttoptr i64 %added to i64*
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%geped = getelementptr i64, i64* %toptr, i64 2
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br i1 %cond, label %if.then, label %fallthrough
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if.then:
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%v = load i64, i64* %geped, align 4
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br label %fallthrough
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fallthrough:
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ret void
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}
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