TheRock/compiler/amd-llvm/clang/test/CIR/IR/invalid-lifetime.cir

// RUN: cir-opt %s -verify-diagnostics -split-input-file

!s32i = !cir.int<s, 32>

// `cir.lifetime.start` requires its pointer to be produced by a `cir.alloca`.
cir.func @start_not_alloca(%arg0: !cir.ptr<!s32i>) {
// expected-error @below {{operand 'ptr' must be produced by 'cir.alloca'}}
cir.lifetime.start %arg0 : !cir.ptr<!s32i>
cir.return
}

// -----

!s32i = !cir.int<s, 32>

// `cir.lifetime.end` requires its pointer to be produced by a `cir.alloca`.
cir.func @end_not_alloca(%arg0: !cir.ptr<!s32i>) {
// expected-error @below {{operand 'ptr' must be produced by 'cir.alloca'}}
cir.lifetime.end %arg0 : !cir.ptr<!s32i>
cir.return
}

// -----

!s32i = !cir.int<s, 32>

cir.global external @g = #cir.int<0> : !s32i

// The pointer has a defining op, but it is a `cir.get_global`, not a
// `cir.alloca`, so the verifier still rejects it.
cir.func @start_from_global() {
%0 = cir.get_global @g : !cir.ptr<!s32i>
// expected-error @below {{operand 'ptr' must be produced by 'cir.alloca'}}
cir.lifetime.start %0 : !cir.ptr<!s32i>
cir.return
}