File: bitfield_info.cir

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llvm-toolchain-21 1%3A21.1.6-3
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// RUN: cir-opt %s | FileCheck %s

!s32i = !cir.int<s, 32>
!u32i = !cir.int<u, 32>


!rec_S = !cir.record<struct "S" {!u32i}>
#bfi_c = #cir.bitfield_info<name = "c", storage_type = !u32i, size = 17, offset = 15, is_signed = true>

// CHECK: #bfi_c = #cir.bitfield_info<name = "c", storage_type = !u32i, size = 17, offset = 15, is_signed = true>

// Use bitfield to enforce printing the attribute
cir.func dso_local @init(%arg0: !cir.ptr<!rec_S> ){
  %0 = cir.alloca !cir.ptr<!rec_S>, !cir.ptr<!cir.ptr<!rec_S>>, ["s", init] {alignment = 8 : i64}
  cir.store %arg0, %0 : !cir.ptr<!rec_S>, !cir.ptr<!cir.ptr<!rec_S>>
  %1 = cir.load align(8) %0 : !cir.ptr<!cir.ptr<!rec_S>>, !cir.ptr<!rec_S>
  %2 = cir.get_member %1[0] {name = "c"} : !cir.ptr<!rec_S> -> !cir.ptr<!u32i>
  %3 = cir.get_bitfield(#bfi_c, %2 : !cir.ptr<!u32i>) -> !s32i
  cir.return
}